Differential attrition in health behaviour change trials: A systematic review and meta-analysis

Abstract

There is indication of a slightly higher amount of attrition on average in the intervention conditions of HBC trials.

Tailored Therapist-Guided Internet-Based Cognitive Behavioral Treatment for Psoriasis: A Randomized Controlled Trial

“…Firstly, similar to previous studies [for summary, see [24]], a substantial proportion of patients did not complete ICBT and/or failed to return questionnaires. In line with previous evidence, attrition rates were higher in ICBT than in CAU [81]. While dropout rates were somewhat lower than in a study of non-tailored ICBT for psoriasis [26], the fact that they were generally comparable to previous studies does not support the often-cited idea that tailored interventions are associated with lower dropout rates.…”

Context effects and behaviour change techniques in randomised trials: A systematic review using the example of trials to increase adherence to physical activity in musculoskeletal pain

“…We explored methodological questions about control group design using trials of physical activity interventions in musculoskeletal pain; similar analyses in other contexts are needed. Future meta-analyses could also evaluate the effect of control group contents on attrition rates (Crutzen, Viechtbauer, Spigt, & Kotz, 2015) as well as effect sizes.…”

Risk of bias in randomised controlled trials of health behaviour change interventions: Evidence, practices and challenges

“…Crutzen, Viechtbauer, Spigt, and Kotz (2015) randomly select a sample of 60 HBC RCTs, and explore the absolute and relative attrition rates. In a meta-regression analysis, the relative attrition rate is used as the dependent variable and the role of several factors hypothesised to influence relative attrition rates are examined (e.g.…”