Table 1

Primary and secondary outcomes and time points for measurement

Time points for measurement after interventionsStatistical analyses and reporting
6121520
Primary outcomes
Self-reported work environment
Psychosocial and organisational working conditionsDifferences in means using linear mixed models/continuous outcomes
Job demands, emotional demands, job control, social support, role expectations, leadership, bullying, violence, unwanted sexual attention
Mechanical working conditionsDifferences in means using linear mixed models/continuous outcomes
Squatting/kneeling, standing, upper body forward bending, awkward lifting, heavy lifting, lifting people
Self-reported health complaints
Mental health complaintsDifferences in means using linear mixed models/continuous outcomes
Mental distress, exhaustion
Musculoskeletal complaintsDifferences in means using linear mixed models/continuous outcomes
Neck pain, back pain, headache, pain in the shoulder, upper arm, lower arm, wrist or hand, pain in hips, legs, knees or feet
Work abilityDifferences in means using linear mixed models/continuous outcomes
Sickness absence*Risk ratios using Poisson mixed models/count outcomes
Compliance with OSH legislationDifferences in means using t-tests/count outcomes
Secondary outcomes
Self-reported work environment
New technology and work-related changes, predictability during the next month, positive challenges at workOdds ratios using mixed logistic
regression/dichotomous outcomes
Self-reported health complaints
sleepDifferences in means using linear mixed models/continuous outcomes
Occupational injuriesOdds ratios using mixed logistic regression/dichotomous outcomes
Systematic safety and health workOdds ratios using mixed logistic regression/dichotomous outcomes
Additional effects of labour inspection on work environment and healthDifferences in means using linear mixed models/continuous outcomes
  • *Sickness absence rates will be based on doctor-certified sickness absence 1 year before and the year following the interventions.