When does attrition lead to biased estimates of alcohol consumption? Bias analysis for loss to follow-up in 30 longitudinal cohorts.
Katherine M KeyesJustin JagerJonathan PlattCaroline RutherfordMegan E PatrickDeborah D KloskaJohn SchulenbergPublished in: International journal of methods in psychiatric research (2020)
When attrition is present, the amount of attrition alone is insufficient to understand contribution to effect estimates. We recommend including bias analysis in longitudinal analyses.
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