- Research article
- Open Access
The impact of cardiopulmonary resuscitation (CPR) training on schoolchildren and their CPR knowledge, attitudes toward CPR, and willingness to help others and to perform CPR: mixed methods research design
BMC Public Health volume 20, Article number: 915 (2020)
The benefits of cardiopulmonary resuscitation training for schoolchildren are well known, but the appropriate age for introducing training is still being discussed. This is a very important issue, since out-of-hospital cardiac arrest is a major public health concern. The objective of this study was to investigate the effects of implemented cardiopulmonary resuscitation training on the knowledge of schoolchildren in the last three grades of Slovenian elementary schools and theirs willingness, attitudes, and intentions toward helping others and performing cardiopulmonary resuscitation. The experience of training instructors was also explored.
A mixed methods research design was employed, using a Separate Pre-Post Samples Design and focus groups. Research was conducted in 15 Slovenian public elementary schools offering cardiopulmonary resuscitation training. Focus groups included training instructors and developers. Data was collected with a structured questionnaire from April to June 2018 and analyzed using univariate and bivariate analyses. The three focus groups were convened in September and October 2018. Content analysis of the discussion transcriptions was conducted. The sample included 764 schoolchildren aged 12.5–14.5 years before cardiopulmonary resuscitation training and 566 schoolchildren after training. Three non-homogeneous focus groups included eight cardiopulmonary resuscitation instructors.
Significant progress in cardiopulmonary resuscitation knowledge was noted after training implementation, with the greatest progress seen in the youngest age group (mean age 12.5). The greatest increase after training was seen for the variables Attitude toward helping others (p = 0.001) and Self-confidence (p = 0.001). Analysis of the focus groups yielded two themes: (a) the effects of cardiopulmonary resuscitation training on schoolchildren, and (b) the systemic responsibility of the school system and professional bodies.
Significant progress in schoolchildren’s cardiopulmonary resuscitation knowledge after training was established. Early introduction of training is recommended. Cardiopulmonary resuscitation knowledge raises awareness of the responsibility to help others and increases self-confidence to provide bystander cardiopulmonary resuscitation. It can be concluded that early cardiopulmonary resuscitation training for children is crucial. It should be a mandatory part of school curricula in those countries where cardiopulmonary resuscitation is not yet mandatory.
Out-of-hospital cardiac arrest (OHCA) is a major public health concern accounting for a substantial number of deaths worldwide. Each year, over 700,000 people in Europe and the USA suffer from OHCA. The survival to hospital discharge rate following OHCA remains low, ranging from 5 to 10% [1,2,3]. Bystander cardiopulmonary resuscitation (CPR) is crucial for improving the chances of survival of sudden cardiac arrest patients and their neurological outcomes . Bystander CPR rates differ widely across European countries . It is estimated that at least 15% of the population would have to be trained in CPR for a significant increase in survival rates after OHCA, but this cannot be achieved through voluntary trainings for the lay population alone; therefore, mandatory training of schoolchildren would be an important measure [5, 6].
Awareness of the importance of CPR must be raised in early childhood education , as CPR training improves the safety culture in schools and shifts the responsibility from adults to children, which could result in long-term structural changes .
The introduction of CPR training in schools has been advocated by the World Health Organization . In Scandinavia, teaching schoolchildren CPR has increased lay bystander CPR rates, resulting in higher survival rates after OHCA. Besides that, the productivity of society raises and consequently, the costs of health care decline . Teaching the importance of OHCA recognition and CPR skills should begin early, as schoolchildren have greater motivation and learn faster than adults and also maintain learning abilities [9, 10]. In some countries, CPR training for schoolchildren is already mandatory, in others it is being gradually introduced into curricula, with 2 hours of CPR training a year being recommended . Nevertheless, the appropriate age to start CPR training remains controversial. If children learn CPR at a young age, they will not forget lifesaving skills, much like swimming or bike-riding skills . In addition, children can serve as CPR multipliers as they may pass on the acquired awareness and CPR skills to family members and friends . The advantages of early CPR teaching are reflected by attitude toward helping others, increased confidence in the positive outcome of resuscitation, internal motivation to help people requiring assistance, and development of empathy [13,14,15,16,17].
Change in behavior can be more effective if supported by the right structural measures, such as education and awareness raising; these findings are very relevant also in the field of public health . Panchal et al.  claim that all interventions aiming at changing behavior are most effective if based in theory. In fact the social learning theory and the theory of planned behavior, both behavioral change theories, were developed as attempts to improve health education in order to ensure changes in behavior . According to this theoretical grounding and the presentation of Intention-focused model of bystander CPR by Panchal et al. , we expect early CPR training to have an effect on the willingness, attitudes and intentions toward helping others and performing CPR. According to this model, it can be argued that changes in intention are followed by changes in behavior when individuals have the skills and ability to act. In their model, Panchal et al. predict changes in intention which lead to changes in behavior, possibly resulting in better CPR outcomes . What is more, the model suggests that variables such as age, education, and gender lead to a change in behavior, although the authors  warn that not only these variables should be examined when it comes to evaluating CPR providers and their positive outcomes, but also variables which can be changed, consequently changing CPR providers’ intent and behavior. The intention-focused model by Panchal et al. is based in well-validated models, also in Ajzen’s theory of planned behavior (TPB) . In his theory, Ajzen claims that “intentions are assumed to capture the motivational factors that influence a behavior; they are indications of how hard people are willing to try, of how much of an effort they are planning to exert, in order to perform the behavior” . According to the two theories and our study, importantly based in findings in the fields of “effects of CPR training on the willingness to help others, increased self-confidence to perform CPR, motivation to help others in need, and the development of empathy”, we expect that early CPR training has an effect on willingness, attitudes and intentions toward helping others.
The effectiveness and outcome of CPR and automated external defibrillator (AED) training programs depend also on the instructor’s skills, knowledge and teaching tools (lecture, hands-only, instructional video, social networks) . In elementary schools, the only healthcare professional is the school nurse who has a pivotal role as an instructor, coordinator, and policy advocate for CPR and AED training .
Aim of the study
Our research aimed to investigate the effects of implemented CPR training on the willingness, attitudes, and intentions toward helping others and performing CPR and on CPR knowledge in schoolchildren of the last three grades of elementary school in Slovenia. In addition, we explored the training instructors’ experiences and opinions on the effects of implemented CPR training.
A mixed methods research design was employed. The aim was to achieve a more comprehensive approach to the investigated topic, measurements, and the analysis and interpretation of findings . A Separate Pre-Post Samples Design was conducted to obtain quantitative data and a focus groups research method was employed to obtain qualitative data. Both methods were combined in the interpretation stage.
Setting and participants
Separate pre-post samples design
An intervention study using a ‘Separate Pre-Post Samples Design’ is used when groups are being examined but where successive measurements are not sure to measure the same people , in which the dependent variable was measured before and again after a particular intervention was implemented [25, 26]. The intervention study included Slovenian elementary schools (15) which offered CPR training in April and May 2018. Information on which schools and classes actually offered CPR training in that period were obtained from the preventive medicine and health promotion services (part of community health centers); they informed us in advance of the planned CPR trainings. CPR training is not mandatory in Slovenian school curricula. Schools make the decision themselves whether or not to include CPR training in their programs. For research purposes, instructors covered the same educational content and used the same teaching methods; they followed the national CPR program based on the European Resuscitation Council guidelines. Thus, the intervention study included all schoolchildren of the seventh, eighth, and ninth grades of 15 elementary schools which provided CPR training in the observed timeframe. Before CPR training with the use of AED was offered, 893 elementary school children were invited to participate in the study and 764 responded (85.6% response rate). One to two months after CPR training, only those schoolchildren who received the training were invited to participate (n = 764), and 566 responded (74.1% response rate).
No significant differences were established in the sample structure prior to and after CPR training according to gender and age distribution, which means that both samples were uniform. The gender distribution in the sample is fairly equal, with just under 50% of participants being boys and just over 50% being girls. Children in the final three grades of elementary school were aged 12–15 years. The mean age of seventh-graders, eighth-graders and ninth-graders was 12.5, 13.5 and 14.5 years, respectively. Distribution of schoolchildren among the three grades was equal prior to and after training.
Out of 12 invited experts, eight participated in focus groups: instructors and CPR program developers working as nursing professionals in primary health care. Six participants were women, two were men, and their average length of service was 21.4 years (SD = 12.8). One participant held a master’s degree in nursing, six were registered nurses, one was an emergency care assistant nurse. To start the debate, semi-structured guiding questions were used.
Separate pre-post samples design
In order to follow the intention-focused model for bystander CPR performance by Panchal et al. , we added a new variable termed ‘Knowledge’ to our study in order to determine whether schoolchildren’s newly obtained knowledge in CPR leads to a change in behavior which can be used to foster their willingness to help others, belief in own abilities, and self-confidence. Knowledge of CPR was measured using a structured questionnaire consisting of four sections with 27 nominal-level binary questions based on previous relevant research [5, 6, 15, 27, 28]. The sequence of items was designed according to the structure of the research problem. In developing the questionnaire, we followed the example of Tsang et al. . The steps included determining the format in which the questionnaire will be administered (e.g. questionnaires for children should consider the cognitive stages of young people), the item format, and item development. Images were used to increase schoolchildren’s interest in filling out the questionnaire. Validity of the instrument was ensured by setting clear evaluation criteria and by making sure the questions were clearly formulated. Each correct answer was awarded one point; the point total was provided to compare results prior to and after CPR training. According to the final point count, respondents were categorized: excellent (15–13 points), very good (12–11 points), good (10–9 points), satisfactory (8–7 points), and unsatisfactory (6 points or less).
Willingness, attitudes and intentions toward helping others were gauged with an ordinal scale of opinions consisting of 22 items. Items were designed based on a literature review [6, 15, 17, 28]. The level of agreement was measured on a 5-point scale (1 = Strongly Disagree, 2 = Disagree, 3 = Neither Agree Nor Disagree, 4 = Agree, 5 = Strongly Agree). Content validity was assessed for the entire sample in which data was collected twice on the opinions on the willingness, attitudes, and intentions toward helping others, factor analysis was also conducted. For both data collections (prior to and after CPR training), we eliminated a few items with low factor loadings which is why differences exist in the structure of the first factor prior to and after the training, while items in the second factor remained the same (Table 2). Both instruments are comparable and result in two factors: Attitude toward helping others (Cronbach prior to training = 0.818; Cronbach after training = 0.592), and Self-confidence (Cronbach prior to training = 0.719; Cronbach after training = 0.554).
The willingness, attitudes and intentions toward helping others were assessed according to the level of knowledge, a prior-after was also conducted. Respondents were divided into two groups: the first included those with excellent knowledge (n1 = 45; n2 = 199) of CPR and the second those with less than excellent CPR knowledge (n1 = 718; n2 = 366).
The demographic part of the questionnaire included questions on age, grade, month and year of birth.
Two pilot studies were carried out. The first one was conducted prior to CPR training and included 66 schoolchildren. For 26 items Cronbach’s alpha was 0.78. We excluded four items with low reliability. Additional instructions were provided for nominal-level binary questions used to test schoolchildren’s CPR knowledge in order to clarify the question and the possible number of answers. With these improvements to the questionnaire, the second pilot study was carried out after CPR training (n = 64). Cronbach’s alpha for 22 items on the willingness, attitudes and intentions toward helping others was 0.81 for 63 schoolchildren. Face and content validity was established for the first pilot study. After filling them out, respondents reported that the questionnaires were understandable, but somewhat too long. Participants did not indicate any possible unintelligibility of items on CPR knowledge.
Focus group instrument
Semi-structured guiding questions were used for the focus groups and expanded as the discussion developed. Research reliability was ensured by following the prescribed methodology: the appropriate number of focus groups (n = 3) and the number of participants in each group (n = 8), which ensured data saturation in the third focus group.
Separate Pre-Post Samples Design was conducted twice from April to June 2018: prior to CPR training and one to two months following the training (May, June 2018).
Focus groups were convened after the implemented CPR training, in September and October 2018. The focus groups were led by a moderator employing a semi-structured questionnaire. All selected research participants received an invitation with a brief description of the research, general topics, and partial results of the quantitative research. The average duration of each focus group was 60 min. Discussions were recorded with participants’ written consent.
Data was analyzed using IBM software SPSS Statistics v. 22.0. Descriptive statistics was used to present the results of CPR knowledge test and the answers to the questions on the willingness, attitudes and intentions toward helping others, chi-square test was used to analyze the differences in the percentage of correct answers on the knowledge test prior to and after CPR training. For establishing the differences in the level of knowledge and the willingness, attitudes and intentions toward helping others prior to and after CPR training, a t-test for comparing two samples was employed. Exploratory factor analysis (EFA) was performed prior to (N1 = 737) and after (N2 = 565) CPR training after first confirming that data were suitable for factor analysis. Bartlett’s Test of Sphericity was highly significant (p < 0.001) and the Kaiser-Meyer-Olkin (KMO) measure of sampling adequacy supported the factorability of the matrix (prior to training = 0.880; after training = 0.729). Principal components analysis (PCA) was used to assess the number of factors to be extracted, followed by oblique rotation of factors using Oblimin rotation. The number of factors to be retained was supported using Horn’s parallel analysis, the factors were extracted using the PAF method (rotation method: Oblimin).
For qualitative data, the method of thematic content analysis was employed. All recordings were transcribed verbatim and the texts were read several times. After coding units were identified, coding was conducted and categories and key themes were defined. Each focus group was ascribed a corresponding code. The nominal identity of a transcription was lost while the traceability of content was ensured.
CPR knowledge and the willingness, attitudes and intentions toward helping others prior to and after CPR training
Significant progress in knowledge was noted in most CPR-related procedures one or two months after the training. The greatest progress was in placing AED electrodes in the right positions, and in the chest compression rate and depth (all p = 0.001). The mean score for the variable ‘Knowledge’ was 9.5 (SD = 2.0) prior to and 11.5 (SD = 2.0) after CPR training (p = 0.001). However, training did not increase the knowledge of other AED-related procedures like checking responsiveness and breathing before using AED (Table 1).
Prior to the training, ninth-graders (average age of 14.5 years) had the highest level of knowledge (M = 10.0; SD = 2.03), followed by seventh-graders (average age of 12.5 years) (M = 8.96; SD = 2.19) and eighth-graders (average age of 13.5 years) (M = 9.37; SD = 1.98) being behind by a point on average. The differences in CPR knowledge between age groups were significant (p = 0.001). After the training, the level of knowledge increased in seventh-graders (M = 11.62; SD = 2.04), eighth-graders (M = 11.43; SD = 2.10), and ninth-graders (M = 11.52; SD = 2.00). The increase in the level of knowledge for each age group when comparing the results prior to and after the training was significant (p < 0.05). After CPR training, all age groups had a comparable level of CPR knowledge. However, seventh-graders achieved the largest absolute difference in knowledge level increase (from 8.96 to 11.62 points on average).
The total means for items gauging the willingness, attitudes and intentions toward helping others ranged between 3.39 and 4.76 prior to training and 3.92 and 4.73 after training. Factor analysis of these items revealed two constructs based on 17 items for F1–Attitude toward helping others and for F2–Self-confidence (loadings > 0.3). Variance was explained in 30.96% prior to CPR training: F1–Attitude toward helping others explained 24.14% of the variance (n = 737; α = 0.818), F2–Self-confidence explained 6.82% of the variance (n = 737; α = 0.719). In the second data collection after CPR training, the total variance explained was 22.08%: F1–Attitude toward helping others explained 14.49% of the variance (n = 565; α = 0.592), and F2–Self-confidence explained 3.87% of the variance (n = 565; α = 0.554). The distribution of items is shown in Table 2.
A statistically significant difference and improvement after CPR training were established for both variables: Attitude toward helping others (p = 0.001) and Self-confidence (p = 0.001) (Table 3). Schoolchildren with excellent CPR knowledge displayed, both prior to and after CPR training, greater willingness, better attitudes and greater intention toward helping others. The greatest increase after the training was seen in Attitude toward helping others (p = 0.001); what is more, the number of schoolchildren who received an excellent grade after the training increased (Table 4).
Instructors’ perspectives on and experiences with CPR training
Following text analysis, two main themes were developed: (a) Effects of CPR training on schoolchildren, and (b) Systemic responsibility of the school system and professional affiliations. Randomly selected examples of instructors’ comments, positive and negative views on CPR training, and suggestions for school curriculum developers and responsible authorities are presented in Table 5.
The effects of implementing CPR training with the use of AED on the knowledge of schoolchildren and their willingness, attitudes and intentions toward helping others was investigated. The study demonstrated an improvement in theoretical knowledge after CPR training. The provided training clearly increased schoolchildren’s willingness, and improved their attitudes and intentions toward helping others. Our findings indicate that CPR training alone can raise not only children’s level of CPR knowledge, but also increase their willingness, and improve their attitudes and intentions toward helping others.
Specifically, children showed an improvement after training in theoretical knowledge on the question of which information has to be provided to paramedics in case a person is found unconscious and the correct position of an unconscious victim. Virtually all schoolchildren were familiar with the emergency telephone number in Slovenia, a result is comparable to the findings of previous studies , which underlies the positive effects of trainings. The greatest progress in 566 schoolchildren was seen in the knowledge of actions to be taken with an unconsciousness person, the placement of AED electrodes in correct positions, and the frequency and depth of chest compressions. Knowledge on the latter point after training was similar to findings reported from other studies . Most of the schoolchildren in our research knew the right answer on how to use an AED; however, they were not as familiar with the fact that the emergency telephone number can also be dialed to receive instructions on its use. Schoolchildren are capable of determining whether the victim is conscious, calling for help, providing relevant information on the victim, and using AED . Our research showed some progress on the correct CPR of a drowning victim, but the percentage of incorrect answers still remains high. Therefore, CPR instructions to schoolchildren should be simple and delivered uniformly for all causes of OHCA.
Our results revealed that the level of schoolchildren’s theoretical knowledge on CPR was higher after CPR training and that the level of knowledge was retained one to two months after training. Similarly, other researchers found not only greater knowledge after CPR training, but also its retention [27, 31, 32]. Prior to CPR training, the level of CPR knowledge was highest in children with a mean age of 14.5 years, while children with mean ages of 12.5 and 13.5 years were less successful. After the implemented CPR training, the level of knowledge increased in all age groups. The greatest progress was seen in the youngest age group (mean age 12.5), because children in this group had to gain the most knowledge to be on par with their older peers. Therefore, we support early introduction of CPR training. Other authors have made similar recommendations [16, 30, 32, 33]. What is more, younger schoolchildren have a greater capacity to learn the practical aspects of resuscitation compared to older children . In Germany, research showed that the ability to implement practical CPR interventions among 10-year-olds was the same as among 13-year-olds . However, schoolchildren aged 13 or more have greater theoretical knowledge [15, 32, 34]. Considering the assessed effectiveness of CPR training in schoolchildren, some advocate the introduction of CPR training between the ages of 10 and 11. In this age group, schoolchildren have the necessary intellectual capacity and, on average, an appropriate body weight to provide effective chest compressions [15, 16]. Moreover, younger schoolchildren know how to place electrodes on the chest fast and effectively, while also ensuring safety beforehand [16, 32].
In the second part of our research, we compared the level of willingness, attitudes and intentions toward helping others prior to and after CPR training. After training, participants showed a significant increase in the attitude toward helping others and self-confidence to help others. In children of the final three grades of elementary school, increased CPR knowledge led to greater willingness, and improved attitudes and intentions toward helping others. Similar conclusions were also reached by previous researchers [13, 31]. As in our research findings, previous studies showed that CPR training boosts the confidence of schoolchildren . Our study also showed that schoolchildren with excellent CPR knowledge express a greater willingness to help others. The percentage of such schoolchildren increased after CPR training.
CPR training for schoolchildren significantly increased their self-worth and moral responsibility towards themselves and the people around them . CPR training reduced the fear of making a mistake in persons providing assistance to cardiac arrest victims, raised self-confidence, and fostered children’s attitude toward helping others .
Our research results also showed that, after CPR training, the percentages of those willing to help others increased. Similar studies stress the importance of early learning and implementation of training in intervals, because they believe that recurring trainings increase the willingness, and improve the attitudes and intentions toward helping others of schoolchildren . Similarly, previous studies demonstrated that early learning of helping others makes schoolchildren better understand the importance of helping others and evolves their capacity for expressing empathy .
We were also interested in the instructors’ experiences and opinions on the effects of the conducted CPR training. Analysis of the focus groups suggests training in CPR has to start at an early stage, with the content and teaching tools adjusted to the children’s age.
The European Resuscitation Council Initiative and World Health Organization Statement endorse making CPR training a mandatory part of school curricula, as this would have a significant influence on the public health issue related to sudden cardiac arrest [5, 11, 36]. Focus group results showed obstacles for introducing CPR training in Slovenian schools, most notedly that CPR is at the moment an elective subject, not part of the mandatory school curricula. Furthermore, current instructors have been found to have different levels of knowledge and skills, highlighting the need for setting minimum criteria for certified CPR instructors. Closer cooperation with professional associations, which should set the minimum criteria for the implementation of trainings and for the potential instructors, is also required. According to the focus group members, these minimum criteria are: introduction of mandatory CPR training in school curricula, appropriate qualifications of instructors who must follow ERC recommendations on CPR, appropriate teaching methods employed by instructors, appropriate equipment and tools, the ability to adapt the content according to children’s age, trainings in small groups, refreshment of knowledge both for instructors and schoolchildren. Support and guidance of instructors and other adults involved is crucial for the development of a responsible and emphatic approach towards teaching schoolchildren CPR .
We see the main contribution of this research as providing policy/decision-makers with a solid theoretical foundation to include CPR training as a mandatory part of school curricula. The results revealed positive effects of training schoolchildren in CPR, making it very important to include CPR training in school curricula early enough. We found that children aged 12.5 years made the most progress in CPR knowledge.
It can be concluded that early CPR training for children is crucial and should be introduced as a mandatory part of school curricula in those countries where CPR is not yet mandatory.
Limitations and strengths
A strength of the presented research is the sample size. The validity of conclusions could be increased if the methodology included an assessment of practical CPR skills. The study only investigated schoolchildren’s theoretical knowledge. We are aware that testing only theoretical knowledge is not the only option, so we suggest future studies focus on the effects of practical training on CPR with the use of AED on schoolchildren’s knowledge. The limitation of the study is that it was based on a non-standardized, self-developed questionnaire using ad hoc measures which was not yet psychometrically tested for reliability, validity, discriminant validity and sensitivity. The limitation is also the fact that the groups at the pre-post test were non-equivalent, and this could bias the results. We cannot match individual participant responses from pre to post, we can only look at the change in average mean from pre-test to post-test. Thus, we followed the progress at the group level, not at the individual level. According to factor analysis results, we believe qualitative research should be conducted among the target population on the understanding of the importance of CPR and on schoolchildren’s understanding of their role in the importance of helping others. Such research would provide the information necessary to improve the validity and reliability of our instrument.
The strength of correlations in the quantitative part of the research is low due to the proportions of factorial analysis variance explained, so these findings represent the basis for further improvements of the research instrument. The third focus group sample size was small since only two of the four invited participants responded by the given date. However, the third focus group was not cancelled due to ethical principles; it was implemented and in-depth conclusions were made.
The research findings provide the basis for decision-makers to introduce CPR training as mandatory part of school curricula. We must also be aware that the endeavors for CPR topics to become a mandatory part of school programs can only be successful by employing a comprehensive, responsible approach and with the awareness of social responsibility. Nevertheless, it is very important to involve the CPR training into curricula. The youngest age group (12.5 years) made the most progress in CPR knowledge.
Results of the quantitative and qualitative research clearly demonstrate the positive effects of training schoolchildren in CPR. We found that the level of CPR knowledge correlated with the willingness, attitudes and intentions toward helping others important factors in schoolchildren’s social development and the development of their values, opinions, and beliefs. This research gives an important contribution to public health policy. It provides criteria for implementation of training schoolchildren in CPR, which is one of crucial factors of higher survival rate at cardiac arrest.
Our study findings are important for decision-makers and developers of school curricula who are responsible for making CPR training a mandatory part of school curricula. CPR training should be conducted continuously, for several years from the time schoolchildren are 12, and should be part of the mandatory school curricula. By doing so, we believe that CPR outcomes in cardiac arrest victims could significantly improve in the future. What is more, the necessary equipment, teaching materials, and teaching aids should be available to CPR training instructors, both for theoretical and practical training, as they are indispensable for efficient learning. This equipment should be provided by the institutions responsible for offering CPR training with the use of AED.
Availability of data and materials
The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.
Out-of-hospital cardiac arrest
Automated external defibrillator
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The authors would like to thank the schoolchildren who were willing to participate in the research, all CPR instructors, health education centers, the elementary schools which gave their consent for the research to be conducted, the teachers who helped coordinate the implementation of CPR trainings and the research, and the parents who gave their consent for the participation of their children in the research.
This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.
Ethics approval and consent to participate
Written consent to conduct and implement the research was obtained from the Slovenian National Medical Ethics Committee on June 28, 2017 (0120–269/2017–4; KME 41/05/17).
Letters of consent on participants’ behalf were obtained from participating schools and community health centers, as well as from the parents of child respondents. Anonymity of research participants was ensured.
Consent for publication
The authors declare that they have no competing interests.
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Pivač, S., Gradišek, P. & Skela-Savič, B. The impact of cardiopulmonary resuscitation (CPR) training on schoolchildren and their CPR knowledge, attitudes toward CPR, and willingness to help others and to perform CPR: mixed methods research design. BMC Public Health 20, 915 (2020). https://doi.org/10.1186/s12889-020-09072-y
- Basic life support
- Public health concern
- Knowledge of schoolchildren