Abstract
Improving smoking intervention trial retention in underserved populations remains a public health priority. Low retention rates undermine clinical advancements that could reduce health disparities. To examine the effects of recruitment strategies on participant retention among 279 low-income, maternal smokers who initiated treatment in a 16-week behavioral counseling trial to reduce child secondhand smoke exposure (SHSe). Participants were recruited using either reactive strategies or methods that included proactive strategies. Logistic regression analysis was used to test associations among retention and recruitment method in the context of other psychosocial and sociodemographic factors known to relate to retention. Backwards stepwise procedures determined the most parsimonious solution. Ninety-four percent of participants recruited with proactive + reactive methods were retained through end of treatment compared to 74.7% of reactive-recruited participants. Retention likelihood was five times greater if participants were recruited with proactive + reactive strategies rather than reactive recruitment alone (odds ration [OR] = 5.36; confidence interval [CI], 2.31–12.45). Greater knowledge of SHS consequences (OR = 1.58; CI, 1.07–2.34) was another significant factor retained in the final LR model. Proactive recruitment may improve retention among underserved smokers in behavioral intervention trials. Identifying factors influencing retention may improve the success of recruitment strategies in future trials, in turn, enhancing the impact of smoking interventions.
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Acknowledgements
This work was supported by the National Cancer Institute at the National Institutes of Health to BC [K07 CA093756 and R01 CA105183]; the Maternal and Child Health Bureau at the Department of Health Services to MH [R40 MC 00185 and R40 MC 02494]; and the National Heart, Lung and Blood Institute at National Institutes of Health to MH [R01 HL066307]. The authors would like to thank the Health Behavior Research Clinic staff and students at Temple University for their dedicated efforts to this project.
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Implications
Practice: Smoking intervention providers could consider partnering with community agencies to design and implement proactive referral strategies given that these strategies may facilitate enrollment as well as retention of clients through end of treatment.
Policy: Providing resources for strategic intervention recruitment and retention efforts that target underserved smokers would improve the public health impact of smoking interventions in populations with the greatest tobacco-related morbidity and mortality risk.
Research: To facilitate retention of low-income, underserved participants in community-based smoking intervention trials, the results suggest the need to develop and implement clinic-tailored, proactive recruitment strategies.
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Collins, B.N., Wileyto, E.P., Hovell, M.F. et al. Proactive recruitment predicts participant retention to end of treatment in a secondhand smoke reduction trial with low-income maternal smokers. Behav. Med. Pract. Policy Res. 1, 394–399 (2011). https://doi.org/10.1007/s13142-011-0059-6
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DOI: https://doi.org/10.1007/s13142-011-0059-6