Table 1.
Background characteristics of men and women, aged 45–70 years, in the Stockholm Heart Epidemiology Program Study, Stockholm, Sweden, 1992–1994.
| Men | Women | |||||
| All cases | Non-fatal cases | Controls | All cases | Non-fatal cases | Controls | |
| N | 1204 | 968 | 1538 | 550 | 413 | 777 |
| Age mean (SD) | 59.0 (7.1) | 58.5 (7.1) | 59.2 (7.1) | 62.0 (6.6) | 61.6 (6.8) | 62.0 (6.7) |
| BMI n (%) | ||||||
| BMI < 20 | 34 (3) | 22 (2) | 42 (3) | 50 (9) | 25 (6) | 37 (5) |
| 20 ≤ BMI < 25 | 386 (33) | 302 (31) | 659 (43) | 176 (33) | 133 (32) | 358 (46) |
| 25 ≤ BMI < 30 | 558 (48) | 486 (50) | 675 (44) | 179 (34) | 148 (36) | 264 (34) |
| BMI ≥ 30 | 193 (16) | 155 (16) | 162 (11) | 124 (23) | 105 (26) | 117 (15) |
| missing n | 33 | 3 | 21 | 2 | 1 | |
| Leisure-time physical activity/exercise n (%) | ||||||
| Very little, occasional walks | 670 (57) | 512 (54) | 663 (44) | 363 (68) | 249 (62) | 374 (49) |
| Now and then, once per week | 315 (27) | 277 (29) | 491 (32) | 125 (24) | 110 (27) | 279 (36) |
| Twice per week or more | 181 (16) | 155 (16) | 369 (24) | 44 (8) | 42 (10) | 115 (15) |
| missing n | 38 | 24 | 15 | 18 | 12 | 9 |
| Smoking n (%) | ||||||
| Current smoker | 621 (52) | 498 (52) | 485 (32) | 298 (54) | 214 (52) | 204 (26) |
| Non- or ex-smoker | 581 (48) | 469 (49) | 1053 (68) | 252 (46) | 199 (48) | 573 (74) |
| missing n | 2 | 1 | ||||
| Socioeconomic status n (%) | ||||||
| Blue-collar | 419 (35) | 351 (36) | 423 (28) | 179 (33) | 142 (34) | 225 (29) |
| White-collar | 722 (60) | 588 (61) | 1079 (70) | 281 (51) | 216 (52) | 484 (62) |
| Other | 63 (5) | 29 (3) | 36 (2) | 90 (16) | 55 (13) | 68 (9) |