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Table 1 Characteristics of the study population at baseline, separated for shift workers and non-shift workers

From: The mediating role of unhealthy behavior in the relationship between shift work and perceived health

  All participants (n = 1633) Shift workers (n = 195) Non-shift workers (n = 1438)
Sex (% female) 40.7% 36.9% 41.2%
Age (mean, sd) 42.2 (8.1) 40.9 (8.4) 42.4 (8.0)
Education (% low) 40.0% 43.1% 39.5%
Years of shift work (mean, sd) 14.4 (8.9)
Mental healtha (mean, sd) 78.0 (14.1) 78.3 (12.1) 77.9 (14.3)
Physical functioninga (mean, sd) 91.2 (13.0) 91.5 (11.6) 91.2 (13.2)
Smoking (% current smoker) 26.7% 35.9% 25.5%
Alcohol consumption (> 1 glass per day) 42.9% 42.0% 43.0%
Physical inactivityb 57.0% 50.3% 57.9%
BMI (mean, sd) 24.9 (3.1) 25.1 (3.1) 24.8 (3.1)
Overweight (≥25.0 kg/m2) 43.7% 45.6% 43.4%
  1. a Health scorings from 0 to 100, with a higher score indicating a better health
  2. b Physically active according to the guideline is defined as at least 30 min per day activities of moderate of high intensity