Table 1

Characteristics of the participants at the beginning of follow-sup

CharacteristicsAll (n=141 917)Higher non-manual (n=42 028)Lower non-manual (n=67 534)Manual (n=32 355)
Age (mean, SD)39.0 (10.6)39.6 (9.9)38.0 (10.5)40.3 (11.5)
Sex, n (%)
 Male34 976 (25)12 506 (30)8846 (13)13 624 (42)
 Female106 941 (75)29 522 (70)58 688 (87)18 731 (58)
Geographic area, n (%)
 Southern77 189 (54)25 054 (60)35 536 (53)16 599 (51)
 Central41 999 (30)10 960 (26)20 612 (31)10 427 (32)
 Northern22 729 (16)6014 (14)11 386 (17)5329 (16)
Employer, n (%)
 Municipality106 391 (75)34 569 (82)44 925 (67)26 897 (83)
 Hospital35 526 (25)7459 (18)22 609 (33)5458 (17)
History of psychiatric treatment, n (%)
 No130 132 (92)38 496 (92)61 923 (92)29 713 (92)
 Yes11 785 (8)3532 (8)5611 (8)2642 (8)
Chronic physical disease, n (%)
 No129 804 (91)39 030 (93)61 608 (91)29 166 (90)
 Yes12 113 (9)2998 (7)5926 (9)3189 (10)