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The acceptability and impact of a randomised controlled trial of welfare rights advice accessed via primary health care: qualitative study
BMC Public Healthvolume 6, Article number: 163 (2006)
Qualitative research is increasingly used alongside randomised controlled trials (RCTs) to study a range of factors including participants' experiences of a trial. The need for a sound evidence base within public health will increase the need for RCTs of non-clinical interventions. Welfare rights advice has been proposed as an intervention with potential to reduce health inequalities. This qualitative study, nested within an RCT of the impact of welfare rights advice, examined the acceptability of the intervention, the acceptability of the research process and the perceived impact of the intervention.
25 men and women aged 60 years or over were recruited from four general practices in Newcastle upon Tyne (UK), a sub-sample of those who consented to be contacted (n = 96) during the RCT baseline interview. Semi-structured interviews were undertaken and analysed using the Framework Method.
Participants viewed the trial positively although, despite agreeing that the information leaflet was clear, some had agreed to participate without being fully aware of what was involved. Some participants were unaware of the implications of randomisation. Most thought it fair, but a few concerns were raised about the control condition. The intervention was acceptable and made participants feel confident about applying for benefit entitlements. 14 out of 25 participants received some financial award; median weekly income gain was £57 (€84, $101). The perceived impact of additional finances was considerable and included: increased affordability of necessities and occasional expenses; increased capacity to deal with emergencies; and a reduction in stress related to financial worries. Overall, perceived independence and ability to participate in society increased. Most participants perceived benefits to their mental well-being, but no-one reported an improvement in physical health. The RCT showed little or no effect on a wide range of outcome measures.
Participation in the trial and the intervention was acceptable to participants. Welfare rights advice targeted at people aged 60 years or over and accessed via primary care had a positive impact on quality of life and resulted in increased social participation. The divergence of qualitative and quantitative findings suggests that both methods make important contributions to the evaluation of complex social interventions.
Qualitative research is increasingly used alongside randomised controlled trials (RCTs) to study factors such as recruitment, participants' experiences, lay understandings of randomisation and informed consent, and to illuminate reasons why the intervention may or may not have worked. Much of this work has focused on participant experiences in clinical trials, but the need for a sound evidence base for public health will increase the need for RCTs of non-clinical interventions. While evidence of outcomes can be derived from RCTs, 'evidence of the process by which those outcomes were achieved, the quality of implementation of the intervention, and the context in which it occurred is likely to come from qualitative data' (p528).
Welfare rights advice can lead to significant financial and non-financial gains [8–10], and it has been proposed as an intervention with significant potential to reduce inequalities in health. Previous qualitative research has indicated that welfare rights advice accessed via primary care is viewed positively and is perceived to address both social and health needs. A number of studies of welfare rights advice accessed via primary care indicate the usefulness of such services and their perceived acceptability among recipients, primary care and welfare rights staff [13–17]. However, no robust qualitative work has examined the acceptability and health impact of this social intervention within the context of an RCT among those aged 60 years or over.
In this qualitative study, undertaken within the context of a pilot RCT reported in an accompanying paper, we aimed to assess: the acceptability of a domiciliary welfare rights advice service accessed via primary care; the acceptability of the research process; and the perceived impact of the intervention, in order to inform future studies.
The study took place in parallel with a single blind pilot randomised controlled trial with allocation of individuals to intervention (receipt of welfare rights advice immediately) or control condition (receipt of intervention after a six month delay), the methods of which are described in detail in the accompanying paper. The intervention comprised a domiciliary assessment of current welfare status and benefits entitlement, active assistance in making claims where appropriate, and follow-up for unresolved claims as required.
Participants were selected using general practice databases and the selection process is summarised in Figure 1. A random sample of patients aged 60 years or over from each of four participating practices in Newcastle upon Tyne (UK) was invited to take part in the trial. The invitation comprised a covering letter signed by the GP together with a leaflet (see table 1) explaining the intervention and the RCT. Those who consented to participate were interviewed with a structured baseline assessment, at which time they were asked if they would be willing to take part in a further qualitative study for which written informed consent was obtained. The sampling frame for the qualitative study was formed by those (n = 96) who consented to be approached for the qualitative study during the RCT baseline interview. All participants were then randomised into intervention and control groups. The intervention (welfare rights assessment interview) took place approximately two weeks after the baseline assessment for the intervention group and approximately six months after the baseline assessment for the control group. The qualitative study sample comprised respondents from intervention and control groups, purposively selected to include those eligible for the following resources: financial only; non-financial only; both financial and non financial; and none. Sampling continued until no new themes emerged from the data.
Appointments were arranged by telephone and semi-structured interviews were undertaken by SM between April and December 2003 in participants' homes. The average time between the welfare rights consultation and research interview was ten months for the intervention group and five months for the control group because the control group received their welfare rights assessment six months after the intervention group. The topic guide covered perceptions of the impact of material and/or financial benefits on physical/mental health, health related behaviours, social benefits and the acceptability of the intervention and research process. Interviews were audio-recorded and transcribed in full.
We undertook thematic analysis following the Framework method, with constant comparison and deviant case analysis to enhance internal validity. Resulting typologies were derived and higher level descriptive and explanatory categories developed.
The protocol was approved by the Newcastle upon Tyne joint universities and NHS research ethics committee.
Participants and benefits received
Twenty-five semi-structured, in-depth interviews were undertaken (14 intervention, 11 control). Ten participants were interviewed with partners who made active contributions. Fourteen participants received some financial award. The median weekly income gain was £57 (€84, $101) (range £10 (€15, $18) to £100 (€148, $178)) representing a 4–55% increase in household income. Eighteen participants were in receipt of benefits, either as a result of the current intervention or because of claims made prior to the study. Although 96 of the total sample (126) agreed to participate, data saturation was reached after interviewing 25 respondents.
Acceptability and understanding of the research process
Participation in the RCT required considerable commitment. All participants were interviewed four times over 24 months with the same structured interview schedule and the qualitative sub-sample participated in a further in-depth interview. Participation rates for the RCT remained high (87%) after two years (five deaths; one moved, 11 declined follow-up).
The research process was a positive experience overall (table 2). Factors which contributed to this included: enjoying the company of others; learning through participation; the domiciliary nature of the intervention and research; trust in the institutions involved (NHS and University); and building a relationship with the researchers. No one was concerned about the time commitment, divulging personal information or breaches of confidentiality.
During the qualitative interview, participants re-read and commented on the participant information leaflet. There was unanimous agreement that it was clear, straightforward and also reflected their experiences of being in the study. However, it became apparent that a number of people had agreed to take part in the study without being fully aware of what it entailed. Some participants disclosed that they had not realised there was the potential for gaining additional resources, despite this being clearly stated during invitation and consent. The main reasons given for taking part were: altruism – helping others and highly regarded institutions like the NHS; importance of research for generating new knowledge; and, finding out about welfare benefit entitlements (table 3). Their GP's signature on the invitation letter was another reason given for participation, as it conferred a degree of legitimacy on the research. Participants also felt they were reciprocating for the care they had received from their GPs, whose involvement in the research, they felt, signified a caring attitude.
Although the randomisation procedure was fully explained, some participants were not aware of its implications and a number were unaware to which group they were randomised (table 4). However, when the procedure was explained, most participants, whether in the intervention or control group, thought that randomisation was fair. Two participants did voice reservations about the control condition on the basis that this resulted in a denial of income.
Views on the intervention
The intervention was regarded positively by participants, irrespective of whether they gained personally (table 5). The reasons for this were linked to the fact that this particular welfare rights service did not operate in a conventional way. The assessment was offered rather than sought and any claims arising were as a result of a knowledgeable professional actively assisting respondents to make claims. This effectively sanctioned claims as well as lessening the chances of rejection. Providing the service in the respondent's home meant that it was convenient, safe and particularly accessible for those with sensory or mobility problems. The most common description of the service was 'helpful', but many participants spoke at length about having the chance to talk, and having someone take an interest, suggesting that the welfare consultation itself had a therapeutic effect. Among those who did not qualify for benefits, there was no evidence that their hopes had been raised and dashed by no subsequent claim being made.
The process of the intervention required the disclosure of a considerable amount of information about personal finances. No-one objected to this in the context of the welfare rights assessment, although one participant did not wish to disclose actual amounts. Most participants saw this as a necessary part of the process, and many were already required to disclose finances for other matters, such as qualifying for council tax rebates. Participants highlighted the fact that the service made them feel relaxed, at ease and confident about applying for benefits.
Impact of the intervention
Fourteen participants received additional financial resources. The perceived impact of extra money was considerable and it was used on a wide range of items. From participants' accounts, four linked categories were identified (table 6). Firstly, increased affordability of necessities, without which maintaining independence and participating in daily life was difficult. This included accessing transport, maintaining social networks and social activities, buying better quality food, paying bills, preventing debt and affording paid help for household activities. Secondly, occasional expenses such as clothes, household equipment, furniture and holidays were more affordable. Thirdly, extra income was used as a means of dealing with potential emergencies and to increase savings. Fourthly, all participants described the easing of financial worries as bringing 'peace of mind'. Figure 2 summarises the ways in which these categories may be linked.
Main findings and interpretation
Participation in this RCT was regarded as a positive experience by most interviewees; the intervention was highly regarded and had wide-ranging impacts, particularly for those who gained new benefits.
Participants' perspectives in RCTs have generally been measured by using attitude questionnaires with a view to improving participation rates. Although limited by the questionnaire format, such studies show that the main reasons given for anticipated participation in trials were altruismand personal benefit, and major disadvantages identified were time involved and problems with travel[25, 26]. Altruism, generating new knowledge through research and personal benefit were the main reasons given for participation in this study. Because of its domiciliary design, the study did not require participants to travel, something that many, particularly those with limited mobility or sensory impairments, appreciated and which may have increased recruitment and reduced attrition. Our study also suggests that the involvement of a trusted health professional in the recruitment can increase participation rates.
Although every effort was made to ensure that consent was fully informed, it became clear that a number of people did not understand the nature of the intervention or were not fully aware that they were being randomised. This occurred despite ethical committee approved information leaflets that were regarded as clear and a good reflection of participants' experiences in the trial. This has also been found in clinical research. With the exception of two participants, no-one was unhappy about randomisation to the control condition which involved waiting six months for welfare rights advice. Participants rationalised this in three main ways: firstly that it was a fair way to 'ration' a service that was otherwise not usually available; secondly, that people must face the consequences of their informed consent; and, thirdly, a degree of fatalism and/or ignorance about group allocation. Participants in this study appeared to have a more relaxed attitude to randomisation than has been reported in clinical trials. This could be explained by differences in the nature and context of clinical and social interventions, the former concerning treatment for an existing condition with anticipated health benefits; the latter, as in this case, concerning access to a potentially valuable service, but with unknown health effects. This study demonstrates that it was acceptable to randomise the intervention with a delay of six months to the control group. However, the pilot RCT findings suggest that this is unlikely to be adequate time for any measurable health benefits to become evident . A longer delay between the study and control group's receipt of the intervention raises ethical issues that require further consideration .
Strengths and limitations
The qualitative data were derived from a sub-sample of the RCT participants and it is possible that only those willing to be interviewed further held such positive views. Comparison between the quantitative and qualitative samples on a number of social and economic variables indicated similarities according to age, proportion of those living alone/as a couple, council tax band and long term limiting illness, suggesting that both samples were not qualitatively different [18, 28].
The effects of the intervention were wide-ranging and positively regarded by participants. However, this was not mirrored by the outcome measures used in the pilot RCT. Despite measuring a wide range of physical, psychological and social outcomes, the pilot RCT found little or no differences between intervention and control groups, or between those who did and did not receive additional resources suggesting that the intervention had no impact on these outcome measures [18, 29]. It is not uncommon for qualitative and quantitative studies to produce divergent findings [2, 30, 31] and it is likely that each method, with its different epistemological underpinnings, captured different aspects of phenomena under investigation. The qualitative approach enabled participants to give an account of the various ways in which the intervention impacted on their lives, such as increased independence and improved quality of life, which were not explicitly measured in the pilot RCT and are challenging to capture quantitatively. This qualitative study has thus not only provided valuable information about outcome measures for a future trial, but helped with the overall interpretation of the pilot RCT. The study also suggests that inclusion of a qualitative component will help to illuminate the process and outcome of a future trial.
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The pre-publication history for this paper can be accessed here:http://www.biomedcentral.com/1471-2458/6/163/prepub
We thank the study participants, Rosemary Bell, Nick Whitton and Jenny Dover of Newcastle City Council Welfare Rights Service, Laura Stokoe for administrative support, Astrid MacIntyre and Paula Carolyn for transcribing interviews, Joe Kai for advice with the topic guide, Graham Scambler for helpful advice throughout, and Elaine McColl, Robbie Foy, Alicia O'Cathain and Katie Brittain for helpful comments on the paper.
Funding. The research was funded by the Department of Health Policy Research Programme and supported by the University of Newcastle upon Tyne, Newcastle Primary Care Trust and Newcastle City Council Social Services Directorate. The views expressed in this paper are those of the authors and not necessarily those of the Department of Health.
The author(s) declare that we have no competing interests.
SM and MW with DH and AS initiated the RCT and obtained funding. SM designed the qualitative study, undertook the interviews, analysis and initial interpretation. JM assisted with devising the coding framework. SM, JM, MW, DH and AS jointly undertook final interpretation of the data. SM wrote the first draft of this paper, JM, MW, DH and AS commented on subsequent drafts. All authors approved the final version. All authors are guarantors and accept full responsibility for the conduct of the study and the contents of this paper.
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