Table 2 Frequencies (percentages) for background factors and exposures in relation to different groups during follow-up
Background factors | Total cohort n=28 613 (100%) | No disability pension n=25 540 (89%) | Disability pension -other diagnoses n=2452 (9%) | Disability pension - mental diagnoses n=621 (2%) |
|---|---|---|---|---|
Demographics | ||||
Sex | ||||
Men | 13 767 (48) | 12 630 (49) | 960 (39) | 177 (28) |
Women | 14 846 (52) | 12 910 (51) | 1492 (61) | 444 (72) |
Zygosity | ||||
MZ | 7084 (25) | 6340 (25) | 594 (24) | 150 (24) |
DZ same-sexed | 10 431 (36) | 9338 (37) | 882 (36) | 211 (34) |
Unknown | 480 (2) | 421 (1) | 52 (2) | 7 (1) |
DZ opposite-sexed | 10 618 (37) | 9441 (37) | 924 (38) | 253 (41) |
Age (Mean; SD) range 41–64 years | 52.9 (5.6) | 52.7 (5.7) | 54.3 (4.5) | 53.0 (4.6) |
Marital status 1 | ||||
Married | 18 376 (64) | 16 514 (65) | 1542 (63) | 320 (52) |
Unmarried | 10 181 (36) | 8972 (35) | 908 (37) | 301 (48) |
Missing | 56 (0) | 54 (0) | 2 (0) | 0 (0) |
Education (Mean: SD) range 8–21 years1 | 11.4 (2.6) | 11.5 (2.6) | 10.6 (2.2) | 12.0 (2.6) |
Health factors | ||||
Severity of diseases | ||||
No diseases reported | 4739 (17) | 4529 (18) | 143 (6) | 67 (11) |
Diseases reported not at all life-threatening | 7377 (26) | 6825 (27) | 458 (19) | 94 (15) |
Diseases reported somewhat life-threatening | 12 664 (44) | 11 049 (43) | 1268 (52) | 347 (56) |
Diseases reported very life-threatening | 3726 (13) | 3038 (12) | 575 (24) | 113 (18) |
Missing | 107 (0) | 99 (0) | 8 (0) | 0 (0) |
Major Depression | ||||
Yes | 4205 (15) | 3494 (14) | 470 (19) | 241 (39) |
No | 23 951 (84) | 21 640 (85) | 1947 (80) | 364 (59) |
Missing | 457 (1) | 406 (1) | 35 (1) | 16 (2) |
Generalized Anxiety Disorder | ||||
Yes | 2017 (7) | 1611 (6) | 237 (10) | 169 (27) |
No | 25 490 (89) | 23 009 (90) | 2082 (85) | 399 (64) |
Missing | 1106 (4) | 920 (4) | 133 (5) | 53 (9) |
Self-rated health | ||||
Good | 21 922 (77) | 20 496 (80) | 1117 (46) | 309 (50) |
Moderate | 4632 (16) | 3737 (15) | 734 (30) | 161 (26) |
Poor | 1927 (7) | 1189 (5) | 589 (24) | 149 (24) |
Missing | 132 (0) | 118 (0) | 12 (0) | 2 (0) |
Health behaviors | ||||
Leisure-time physical activity | ||||
High | 2913 (10) | 2640 (10) | 212 (9) | 61 (10) |
Moderate | 22 429 (78) | 20 093 (79) | 1866 (76) | 470 (76) |
Low | 3009 (11) | 2576 (10) | 348 (14) | 85 (14) |
Missing | 262 (1) | 231 (1) | 26 (1) | 5 (0) |
Body mass index | ||||
Underweight (<18.5) | 307 (1) | 260 (1) | 30 (1) | 17 (2) |
Normal weight (18.5-25) | 15 371 (54) | 13 902 (54) | 1153 (47) | 316 (51) |
Overweight (25–30) | 10 327 (36) | 9137 (36) | 967 (39) | 223 (36) |
Obesity (>30) | 2177 (8) | 1859 (7) | 264 (11) | 54 (9) |
Missing | 431 (1) | 382 (2) | 38 (2) | 11 (2) |
Tobacco use | ||||
Never tried | 9557 (33) | 8717 (34) | 664 (27) | 176 (28) |
Former | 9995 (35) | 8940 (35) | 868 (35) | 187 (30) |
Current occasional | 960 (3) | 863 (3) | 70 (3) | 27 (4) |
Current regular | 6457 (23) | 5524 (22) | 737 (30) | 196 (32) |
Missing | 1644 (6) | 1496 (6) | 113 (5) | 35 (6) |
Alcohol consumption 2 | ||||
Abstainer | 2588 (9) | 2246 (9) | 246 (10) | 96 (15) |
Light frequent | 14 150 (49) | 12 841 (50) | 1041 (42) | 268 (43) |
Moderate frequent | 2886 (10) | 2655 (11) | 184 (8) | 47 (8) |
Heavy frequent | 1126 (4) | 1001 (4) | 103 (4) | 22 (4) |
Light infrequent | 828 (3) | 696 (3) | 110 (4) | 22 (4) |
Moderate infrequent | 3102 (11) | 2665 (10) | 360 (15) | 77 (12) |
Heavy infrequent | 2783 (10) | 2403 (9) | 311 (13) | 69 (11) |
Missing | 1150 (4) | 1033 (4) | 97 (4) | 20 (3) |