Baseline Characteristics of Participants in Total Sample and in Test-Retest Subsample
a Employed category included participants who reported that they were on sick leave or maternity leave.
b 8-Item SF-36=8-item version of the Medical Outcomes Study 36-Item Short-Form Health Survey questionnaire, role–physical=role of physical health problems in work or other daily activities, role–emotional=role of emotional problems in work or other daily activities. Higher scores indicate better health.