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BACKGROUND: Previous studies of relationship between religiosity, health behaviors and well-being have showed mainly positive relationships, however, are very often limited to results of associative nature and subject to unmeasured confounding. This study focused on evaluating evidence for a positive association between religious service attendance (RSA), health behaviors and well-being in a longitudinal setting and robustness of these associations to unmeasured confounding. METHODS: Three waves (2009, 2011 and 2015) of the biennial longitudinal Polish household panel study with response from 6400 respondents were analyzed. Evidence for a positive and robust association between RSA and outcome variables was evaluated using outcome-wide regression analysis with control of all variables temporally prior to the exposure and sensitivity measures (E-values) to give information on the extent to which an unmeasured confounder would need to be associated with both the exposure and the outcomes. RESULTS: RSA is associated with reduced risk of unhealthy behaviors (smoking, alcohol use) and higher emotional well-being. These relationships are robust to substantial unmeasured confounding and difficult to explain by reference to other, unknown, variables. Evidence for a positive relationship between RSA and other well-being variables (social, physical) was less clear. CONCLUSIONS: Religiosity may play an important role in public health, particularly in prevention of non-communicable diseases. The strong and robust associations between RSA and some health behaviors (i.e. tobacco use, alcohol abuse) and emotional well-being should arguably be taken into account in health education, health promotion programs, health prevention policy and psychotherapeutic approaches, particularly in more religious populations.
Pawlikowski et al. (Tue,) studied this question.