Table 1

Baseline characteristics of the sample: individual factors, work-related factors and chronic health problems in older employees (N=8149)

Individual factors
 AgeMean (SD)53.4 (5.07)
Gender
 Malen (%)4611 (56.6)
Education
 Lown (%)2144 (26.3)
 Mediumn (%)3202 (39.3)
 Highn (%)2803 (34.4)
Work-related factors
Physical loadMean (SD)1.79 (0.88)
 Higher (>1.40)n (%)3878 (47.6)
 Lower (≤1.40)n (%)4271 (52.4)
Psychological job demandsMean (SD)3.16 (0.76)
 Higher (>3.25)n (%)3059 (37.5)
 Lower (≤3.25)n (%)5090 (62.5)
AutonomyMean (SD)3.85 (0.69)
 Lower (<4.00)n (%)3846 (47.2)
 Higher (≥4.00)n (%)4303 (52.8)
SupportMean (SD)3.60 (0.76)
 Lower (<3.75)n (%)4023 (49.4)
 Higher (≥3.75)n (%)4126 (50.6)
Health problem
Any of the health problemn (%)3998 (49.1)
 Musculoskeletaln (%)2412 (29.6)
 Severe headachen (%)658 (8.1)
 Circulatoryn (%)737 (9.0)
 Respiratoryn (%)564 (6.9)
 Digestiven (%)445 (5.5)
 Diabetes mellitusn (%)506 (6.2)
 Psychologicaln (%)234 (2.9)