Table 2 Characteristics of the total sample at baseline

Age, years, mean (SD)

54.8 (14.8)

Women, % (n)

1018 (55.4)

Married/living with partner, % (n)

1432 (78.0)

University education, % (n)

768 (41.8)

Physical exercise > 2 times/week, % (n)

1261 (68.6)

Self-rated health, % (n)

 Excellent/very good

755 (41.1)

 Good

609 (33.2)

 Fairly good/poor

454 (24.7)

 Missing values

19 (1.0)

Self-report of physician-based diagnosis, % (n)

 Generalized anxiety disorder

13 (0.7)

 Panic disorder

18 (1.0)

 Posttraumatic stress disorder

14 (0.8)

 Exhaustion disorder

80 (4.4)

 Depression

72 (3.9)