From: Factors associated with attrition in a longitudinal online study: results from the HaBIDS panel
Model C: paper-and-pencil participants (asked to switch to online mode) | Model D: online participants (asked to stay in the study) | |||
---|---|---|---|---|
Beta | Odds ratio | Beta | Odds ratio | |
Age at baseline (per 10 years increase) | not selected in this model | 0.24 | 1.27 | |
Marital status: unmarried vs. married | not selected in this model | 0.27 | 1.31 | |
WHO-5 well-being index (per 10 points increase) | not selected in this model | 0.01 | 1.01 | |
PSS score (per 1 point increase) | −0.02 | 0.98 | −0.01 | 0.99 |
ID-Screen (per 1 point increase) | 0.01 | 1.01 | 0.04 | 1.05 |
Time between invitation and return of the filled informed consent form (per week) | not selected in this model | 0.05 | 1.05 | |
Number of questionnaires returned during initial phasea (per questionnaire) | 0.19 | 1.21 | 0.43 | 1.54 |
Number of times a participant had to receive reminder emails during the initial phase (per reminder) | not applicable to paper-and-pencil participants | −0.27 | 0.76 |