Sexual behavior and experience of sexual coercion among secondary school students in three states in North Eastern Nigeria
© Ajuwon et al; licensee BioMed Central Ltd. 2006
Received: 04 March 2006
Accepted: 23 December 2006
Published: 23 December 2006
Interest in the reproductive health of adolescents continues to grow throughout the world. Few studies had explored the reproductive health knowledge, sexual behavior and experience of sexual coercion among secondary school students in North Eastern states of Nigeria. The objectives of this descriptive survey were to collect data to plan appropriate interventions that meet the reproductive health knowledge, service and skills needs of students in Bauchi, Borno and Gombe states.
Face-to-face interviews were conducted for 624 consenting students who were randomly selected from eighteen secondary schools using an 83-item structured questionnaire. Data were collected on demographic profile, reproductive health knowledge, sexual behavior and experience of sexual coercion.
The mean age of the respondents was 16.5 years. There were slightly more males (52%) than females (48%). Students' knowledge about reproductive health was generally low even though girls had better knowledge than boys. Thirteen percent of the entire students had had sexual experience; significantly more males (19%) than females (6%) had done so (p < 0.001).
Among boys the age at sexual debut ranged from 10–26 with a mean of 15.7 and median of 16. By contrast, the age at first sex among girls ranged from 10 to 18 years with a mean and median of 16.1 and 17 years respectively. Only 24% of those who were sexually active used a condom during their last sexual encounter. Overall 11% of the students reported that they had been tricked into having sex, 9% had experienced unwanted touch of breast and backside, and 5% reported rape.
Students low reproductive health knowledge and involvement in risky sexual activities predispose them to undesirable reproductive health outcomes.
Interest in the reproductive health of adolescents continues to grow throughout the world. One of the factors responsible for this interest is the sheer number of young persons worldwide. For example, nearly half of the global population is less than 25 years old . Addressing the reproductive health information and service needs of this population poses significant challenges for policy makers and service providers especially those working in resource poor settings. The fact that adolescents and other young persons are disproportionately affected by the reproductive health morbidity such as abortion, sexually transmitted infections (STI) including HIV/AIDS draws attention to the need of appropriate interventions. Adolescents account for a significant proportion of unsafe abortions globally. According to the World Health Organization (WHO) at least one-third of all women seeking hospital-care for abortion complications are under the age of 20 years . Adolescents are also one of the groups hard hit by HIV/AIDS. Over half of all new HIV infections in Africa in 2005 were among young persons aged 14–25 years with the worst hit being young women . These data underscore the need to target adolescents with appropriate interventions that address not only the contextual factors such as gender roles and poverty that place them at risk but also individual factors including lack of access to knowledge, inadequate communication and life skills that adolescents need to negotiate safe sex.
In Nigeria, as elsewhere in Sub-Saharan Africa, studies confirm that a large proportion of adolescents have unmet reproductive health needs. Evidence of unmet need is reflected in the fact that some adolescents and other young persons lack adequate knowledge and understanding of the reproductive process, that many harbor misconceptions such as the belief that mosquitoes can transmit HIV infection, and false claims that use of contraceptives can cause infertility [4, 5]. The National HIV/AIDS and Reproductive Health Survey (NARHS)  showed that only 7% and 44% of 15–19 year olds knew of STI symptoms in men and women. Research also confirms that many young persons participate in risky sexual activities including early debut of sexual activities , multiple sexual partners, low and inconsistent use of condoms [5, 8, 9]. The data from the NARHS further reveal that among the sexually active 15 to 19 year olds only 34.4% used condoms at their most recent sexual encounter . The explanations offered for increasing proportion of young persons involved in pre-marital sexual activities include earlier menarche, effects of mass media that glamorize sex, and increasing weakness of traditional control of the family system in Nigeria .
Although these researches have contributed to our understanding of the reproductive health behavior of young persons in Nigeria, the utility of the data is undermined by the fact that these studies were derived mainly from the southern parts of the country. Few studies have been conducted among young Nigerians living in the northern areas of the country. One recent study from Plateau, a predominantly Christian state in north central Nigeria, shows that many students participate in risky sexual activities including sexual networking and low use of condoms . We are not aware of any published data on the reproductive health knowledge, sexual behavior and experience of sexual coercion among the adolescents from the northeastern region of Nigeria. This article is based on a study conducted among secondary school students in three states in this area. The objectives of the study were to collect data to plan appropriate interventions that meet the reproductive health knowledge, service, and skills needs of students living in this part of the country.
This study was a cross-sectional survey conducted in 2004 in Bauchi, Borno and Gombe, three of the six states of North Eastern Nigeria. As in most parts of northern Nigeria, Islam is the predominant religion in these states with some operating the Sharia legal system. In this area, early marriage is the norm and polygyny is widespread. Islamic law, which governs the ways of life of Muslims in the region, permits the marriage of girls who have not started menstruation. According to the National Demographic Health Survey of 2003, the median age at first marriage in North Eastern Nigeria is 14.7 years . The major ethnic groups in the areas are Hausa, Fulani and Kanuri who live in major towns in the area including Bauchi, Maiduguri and Gombe, which also serve as the administrative capitals of the Bauchi, Borno and Gombe states respectively. Subsistence farming and fishing are the predominant occupations of citizens living in these states.
Established in 1989, the Association for Reproductive and Family Health (ARFH) is a national not-for profit non-governmental organization (NGO) located in Ibadan, Oyo state, with a track record of implementing good quality programs addressing the reproductive health needs of young persons, health workers, and women throughout Nigeria and elsewhere in Africa. ARFH conducted the study in collaboration with three youth-serving Non-Governmental Organizations (NGO), National Association of Nigerian Nurses and Midwives (NANNM) in Bauchi, Community Health and Youth Friendly Association (CHAYFA) in Borno and Guidance and Development Association (GCDA) in Gombe. Official permission to conduct the study was obtained from the policy makers in the States' Ministries of Health and Education and from the administrators in each of the schools that participated in the study.
Six public secondary schools from each state (total 18) were chosen for the survey. The schools were selected purposively with approval from the state Ministries of Education. A simple random technique was adopted in selecting students from each school. The first step in the process of selection was an enumeration of all arms (streams) in the junior and senior classes. Secondly, one arm was randomly selected by balloting. In each selected arm, the number of students present during the day of visit was divided into two male and female. Twenty students (20) were randomly selected by balloting from each of the junior and senior classes totaling forty (40) students in each school. In states where mixed schools were not available, single gender schools were selected such that appropriate number of males and females were recruited.
An-83 item anonymous questionnaire containing open-ended and closed-ended questions was developed and used for data collection. The questionnaire built on previously used instrument for similar surveys among adolescents in Nigeria and Ghana . The questionnaire was divided into four major sections for ease of administration. The demographic section focused on personal characteristics of respondents and their living situation, knowledge of reproductive health was explored by requesting students to answer a number of questions including definition of ovulation, safe period and whether or not a girl could become pregnant during the first sexual encounter and awareness of contraceptives methods. Questions about sexual behavior included whether or not respondents have ever had sex, age at first sex, number of partners, frequency of sex, use of condoms during the most recent encounter. Respondents were also asked if they had ever become pregnant or made someone pregnant. With respect to sexual coercion, respondents were asked if they had ever experienced any of the six sexually coercive behaviors derived from previous studies in this environment . As recommended by Ellsberg and colleagues , we used behaviorally specific questions on coercion: Has any of the following ever happened to you? "someone touched your body against your will", "someone tricked you in order to have sex with you", someone tried to force you to have sex", "someone forced you to have sex", "someone beat you for refusing to have sex with him/her" "someone gave you drugs in order to have sex with you".
In each state, five trained research assistants conducted face-to-face interviews with students. The training lasted about eight hours and the contents consisted of data collection procedures, interview techniques and interpersonal skills with special focus on adolescent reproductive health issues. During the training, the investigators reviewed each question in the questionnaire to ensure that the interviewers were familiar with them. At the end of the training, skills of the research assistants were verified to be adequate through role-play and return demonstration. Face-to-face interview was preferred to self administered method because field experiences with surveys of young people in Nigeria show that the former usually yield better rate of response and produce good quality data than the latter . The interviews were conducted in English or Hausa (the language widely spoken in the study area) to ensure good comprehension. In order to avoid gender bias in responses, the interviewers were of the same sex with the respondents. Privacy was ensured by conducting the interviews in unoccupied separate classrooms or under the trees in quiet environments free from distractions. Verbal informed consent was received from each respondent by explaining the purpose of the study, that participation in it was voluntary, and that information provided will be kept confidential.
The completed questionnaires were collated and entered into the computer. The data was analyzed with the Statistical Package for Social Sciences (SPSS) computer software and the results were presented in simple percentages. Analysis was stratified by sex to show how responses to the variables of knowledge, sexual behavior and coercion differ for males and females. Descriptive statistics was used to profile the study population. Logistic regression was then used to explore the demographic variables associated with reproductive knowledge, sexual experience and coercion.
Demographic Characteristics of the Respondents by Gender
Male (N = 327)
Female (N = 297)
Total (N = 624)
25 and above
Type of school
Location of school
Lived with both parents
Lived with a single parent
Had ever worked to earn money
Currently working for money
Knowledge about reproductive health issues
Proportion of students with correct knowledge of reproductive health by gender
Reproductive health Knowledge variable
Male (N = 327)
Female (N = 297)
Total (N = 624)
A girl can be pregnant at first sexual experience
p < 0.001*
Safe period in a woman menstrual cycle
p < 0.001*
Had heard of any contraceptive
P < 0.001*
Heard of a male condom
p > 0.001
Heard of a female condom
p > 0.001*
Heard of pills
p < 0.001*
Knew that consistent & correct use of condom can prevent HIV infection
p > 0.001
Knew that mosquito bite cannot spread HIV
p > 0.001
Pattern of sexual behavior among secondary school students by gender
Male (N = 327)
Female (N = 297)
Total (N = 624) %
Ever had girl/boyfriend
Had ever had sex
Frequency of sex in last three months
(N = 63)
(N = 18)
Two or more times
Number of partners in last three months
(N = 52)
(N = 18)
Two or more
Used a condom a condom at last sex*
Had ever become pregnant or made someone pregnant*
Characteristics associated with sexual activities among students
Ever Had Sex
p < 0.001*
Type of School
p < 0.001**
Location of School
p > 0.001
p > 0.001**
p < 0.001**
p > 0.001
p < 0.001**
25 and above
Ever worked for money
p < .001*
Experience of sexual coercion
Proportion of students who had experienced sexual coercion by gender
Report any form of coercion
Unwanted touch body
Someone tried to force you to have sex
Someone tricked you
Someone forced you to have sex
Someone beat you to have sex
Someone gave you drugs to have sex
Logistic regression results
Logistic regression analysis was used to estimate/measure the effects of selected socio-demographic variables on three outcomes namely: sexual activity, sexual coercion and reproductive health knowledge. The selected variables included in the models were: state, type of school, location of school, sex, age, class, religion, living arrangement, having a boy/girl friend, ever worked for money and ever smoke cigarette. A respondent was considered to have reproductive health (RH) knowledge if he/she answered correctly at least three out of the eight knowledge questions asked; sexually active if he/she had ever had sexual intercourse while; sexual coercion was measured by experience of at least one of the listed forms of sexual coercion.
Predictors of reproductive health knowledge
Odds from Logistic Regression Models of Reproductive Health Knowledge, Sexual Activity and Sexual Coercion by Selected Socio-demographic Variables
Ever had sex C I
Experience of sexual coercion CI
Knowledge of SRH CI
0.14** (0.02–.53) **
Type of School:
Location of school:
1.54 (0.59–3.17) *
Senior secondary (RC)
1.38 (0.37–3.39) **
0.77 (0.36–1.45) **
Living with both parents
Living with one parent
Living with others persons (RC)
Ever had boy/girl friend (Yes)
Ever worked for money (Yes)
Ever Smoke cigarette (Yes)
Predictors of sexual activity
The result of the logistic regression showed that the major predictors of sexual activity were: type of school, location of the school, sex, age, living arrangement, religion and having a boy/girl friend. With 95% confidence, the odds of sexual activity were higher for respondents in co-educational schools, whose schools were located in urban areas, who had boy/girl friends, males and females. Specifically, respondents in co-educational schools were more likely to have had sexual intercourse than those in single sex schools. Respondents whose schools were located in urban areas were 3 times more likely to have had sexual intercourse than those in the rural schools while those in semi-urban schools were almost 2 times more likely to have had sex than students in rural areas. Males were 5 times more likely to be sexually active than females. Muslims respondents were less likely than Christians and other religion practitioners to have had sexual intercourse. The respondents who were living with persons other than their parents were more likely to have had sexual intercourse than those living with their parent(s). Similarly, the respondents who had boy/girl friends were 6 times more likely to have had sexual intercourse than those who did not have boy/girl friends (Table 6).
Predictors of sexual coercion
Eight factors were found to significantly determine exposure to sexual coercion among the respondents. These factors were: state, type of school sex, age, class, religion, living arrangement and having boy/girl friends. The analysis showed that respondents in Bauchi and Borno states were 3 times and 6 times (respectively) more likely to have experienced sexual coercion than respondents in Gombe state. Ironically, males were more likely to have experienced sexual coercion than females. For a one year increase in age of respondents, the odds in favour of sexual coercion increased by a multiplicative factor of 0.97. The respondents in junior classes were almost 2 times less likely to experience sexual coercion than those in senior classes. Christian and Muslim respondents were less likely to experience sexual coercion than respondents who belonged to other/traditional religions. Respondents who were not living with their parent(s) were more likely to be exposed to sexual coercion than those who were living with their parent(s). Respondents who had boy/girl friends were 4 times more likely to experience sexual coercion than those who did not have boy/girl friends.
Adolescents are generally thought to be healthier than other age groups having survived many of the diseases of early childhood and being decades away from the diseases associated with aging . However, some adolescents are affected by diseases while others die prematurely. A major threat to the health of the adolescents stems primarily from their sexual behavior which is partly influenced by lack of knowledge of reproductive health issues. Many of the students surveyed had limited knowledge of human reproduction. For example, only half of the students knew that pregnancy could occur during sexual debut. This finding is generally consistent with results from earlier studies in Nigeria in which many students have inadequate knowledge of reproductive health [6, 16]. One survey showed that secondary school students had an average of 2.3 points on a 34 point reproductive health knowledge score . Many Nigerian adolescents have poor understanding of the timing of conception; others harbor misconceptions such as the belief that a slipped condom can cause stomach discomfort and infertility [5–7].
Our findings show that females generally had higher knowledge of reproduction than males. One possible explanation may be the fact that because girls are disproportionately affected by the burden of reproductive health morbidity (STI, unwanted pregnancy, abortion), they are more likely than boys to seek for information about reproductive health. Also, parents are more likely to discuss reproductive health issues with girls than boys  because of the belief in Nigeria that boys will learn somehow through experimentation.
Overall, 13% of the students were sexually experienced. This figure is lower than the 34% reported among high school students from Plateau state, 62% of secondary school students in Ilorin, Kwara state  both of which are located in North central Nigeria , 48% of adolescent school girls in Lagos south western area , and 55% of students in Anambra and Enugu states in Southeastern Nigeria . More importantly, significantly more males than females reported sexual activities, a finding consistent with previous surveys among young persons in this environment . However, these data must be interpreted within the context of local culture in which the study took place and the methodological challenges associated with collecting data on sexual behavior from young persons. The apparently relatively low level of sexual activities among the surveyed students may be due to the fact that both Islamic and cultural sexual norms forbid premarital sexual activity which is a justification for the encouragement of early marriage in these areas.
At the same time these data may be an underestimation of actual levels of sexual activities because of the face-to-face interview method used in this study. As Plummer and colleagues [19, 20] had pointed out, collection of valid data on sexual behavior from young persons is fraught with several methodological challenges including problems of recall, ambiguous terminology, and the sensitive nature of sexual information. Self-reported data may be invalid if respondents tell researchers what they believe is socially desirable, whether or not it is true, a bias that is likely to occur among adolescents who may be concerned about peer stigma or adult punishment . Thus, it is possible that males may have over-reported their sexual activities and females under-report sexual activities in an attempt to conform to religious and cultural norms affecting sex in Northern Nigeria. Previous studies have shown that data from the self-completion questionnaire are likely to be more valid than those obtained from face-to-face interview because a greater sense of confidentiality for the respondent may reduce social desirability bias . Yet, the self-completed method of data collection typically yields lower response rates and more missing data than the face-to-face method. Some researchers have recommended use of assisted self-completed questionnaire which addresses both of these limitations. The suitability of such a method in the Nigerian context will be explored in future studies.
There is concern that only about 4% of the sexually active students used a condom during their most recent sexual activities. Male condoms have been widely promoted in Nigeria as an efficient means of preventing the sexual transmission of HIV; condoms are relatively cheap, readily available, and do not require medical supervision. Yet, they remain under-utilized by many adolescents in Nigeria . Some of the barriers to use of condoms by young Nigerians include misconceptions that a slipped condom may injure a girl ; lack of skills to negotiate its use with partners  and believe that use of condom suggests lack of trust or infidelity. On the other hand, female condoms are available in the country, but their exorbitant cost is a disincentive for its widespread use.
Experience of sexual coercion was a common phenomenon among the population surveyed. Overall, 5.1% of the students had been raped, a figure comparable to 4% found among female apprentice tailors  and to 6% in female hawkers operating in truck and bus stations in urban areas . However the figure is lower than 8.6% reported among South African pupils . Although these figures are relatively low, the data must be interpreted with caution since rape and other sexually coercive behaviours are typically under-reported due to stigma attached to this type of behaviour in Nigeria . Contrary to results from previous surveys in Nigeria , South Africa  and Kenya  more males than females in this study reported experience of sexual coercion. One possible explanation may be the religious context in which the survey was conducted. In many parts of northern Nigeria women are kept in purdah, i.e. exclusion and when it is absolutely necessary for them to leave the home such as visiting a health facility or attend school they put on a veil and are not expected to have any direct contact with males. This may serve as protective factor. However, more studies need to be conducted in the future to have better understating of this phenomenon.
The results of this study provide baseline data for implementing appropriate interventions to address the reproductive health needs of students from these areas. One of the major findings of this study is that males tend to lag behind their female counterparts in each of the three main reproductive health issues namely knowledge, sexual behavior and coercion, explored in this study. The implication is that gender-based interventions would be required to address both the needs of males and female students. Three interventions are recommended to address the problems. First, gender-sensitive training of male and female students as peer educators is suggested to close gaps in students' knowledge about human reproduction. Peer education is appropriate because of its flexibility; for example trained educators can reach their colleagues whenever and wherever the topic comes up: in school, at home, street corners, and in shops . The second strategy is the development of Youth Friendly Centers that would cater for the service needs relating to treatment of STI, provision of condoms and other non-prescriptive contraceptives. Such centers should preferably be located within the school environment or in other sites accessible to students and managed by trained staff that would provide comprehensive and appropriate services for young persons. Finally, teachers and parents have important roles to play in meeting the reproductive health needs of students. For practical purposes teachers would serve as role models and provide supportive supervision for trained peer educators. In addition, they would need to integrate reproductive health issues into relevant subjects in an attempt to reinforce information provided by peer educators. This is particularly necessary since reproductive health education in not included in the curricular in secondary schools in these states. The collaborative intervention provided by both students and teachers are likely to produce greater multiplier effects that would effectively address misconceptions and positively influence risky sexual activities .
This study has two limitations that must be pointed out. The first is the relatively small sample size selected from each state. Therefore the data must be interpreted with caution as they may not be generalized to the entire students' population in each state. Despite these limitations, the study is important because it represented the first attempt to systematically collect data on young person's reproductive health knowledge and sexual behavior in these areas. As such it has provided several valuable data for implementing intervention programs to meet the reproductive health information, services and skills needs of young people from these areas.
In conclusion, young persons surveyed generally had low levels of knowledge and understanding of reproductive health issues. Many of those who are sexually active did not take precautions that would have protected them from the undesirable consequences of risky sexual activities. Interventions including peer education, training of teacher's ad development of youth friendly centers are recommended to meet the reproductive health needs of adolescents in the north eastern region of the country.
The Ford Foundation Office for West Africa, Lagos, Nigeria, funded this study. We thank all the interviewers, teachers, students who participated in the survey and the administrators who provided all the assistance for the study.
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