Does involvement in a cohort study improve health and affect health inequalities? A natural experiment

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• 作者：Annie Quick ; Jan R. Böhnke ; John Wright ; Kate E. Pickett
• 关键词：Born in Bradford ; Hawthorne effect ; Health inequalities ; Mere measurement
• 刊名：BMC Health Services Research
• 出版年：2017
• 出版时间：December 2017
• 年：2017
• 卷：17
• 期：1
• 全文大小：601KB
• 刊物主题：Public Health; Health Administration; Health Informatics; Nursing Research;
• 出版者：BioMed Central
• ISSN：1472-6963
• 卷排序：17

文摘

BackgroundEvidence suggests that the process of taking part in health research can improve participants’ health, independent of any intended intervention. However, no research has yet explored whether these effects differ across socioeconomic groups. If the effect of mere participation in health research also has a social gradient this could increase health inequalities and bias research results. This study used the Born in Bradford family cohort (BIB) to explore whether simply taking part in BIB had improved participants’ health and, if so, whether this effect was mediated by socioeconomic status.