Table 1.
Baseline characteristics for study cases and controls
| Cases (%), N = 7346 | Controls (%), N = 29 384 | |
|---|---|---|
| Mean age (SD), years | 22 (19) | 22 (19) |
| Female | 3773 (51) | 15 092 (51) |
|
| ||
| Body mass indexa | ||
| Underweight | 156 (2) | 730 (2) |
| Healthy weight | 1422 (19) | 6113 (21) |
| Overweight | 795 (11) | 3030 (10) |
| Obese | 488 (7) | 1543 (5) |
|
| ||
| Smokinga | ||
| Never | 1951 (27) | 7658 (26) |
| Past | 417 (6) | 1497 (5) |
| Current | 1037 (14) | 3890 (13) |
|
| ||
| Alcohol usea | ||
| Never | 541 (7) | 2431 (8) |
| Past | 46 (1) | 112 (0) |
| Current | 2156 (29) | 8593 (29) |
|
| ||
| Cholesterol, mg/dL | ||
| <5.15 | 337 (5) | 1068 (4) |
| 5.15–6.19 | 229 (3) | 749 (3) |
| ≥6.20 | 129 (2) | 426 (1) |
|
| ||
| C-reactive protein, mg/L | ||
| <1 | 25 (0) | 69 (0) |
| 1–3 | 119 (2) | 265 (1) |
| >3 | 239 (3) | 450 (2) |
|
| ||
| Morbidity | ||
| Renal disease | 262 (4) | 615 (2) |
| Coronary heart disease | 75 (1) | 238 (1) |
| Stroke | 61 (1) | 69 (0) |
| Diabetes mellitus | 99 (1) | 286 (1) |
| Cancer | 85 (1) | 231 (1) |
| Depression | 945 (13) | 2221 (8) |
| Chronic obstructive pulmonary disease | 1144 (16) | 3.015 (10) |
| Chronic inflammation | 196 (3) | 533 (2) |
|
| ||
| Therapy | ||
| Lipid lowering | 132 (2) | 463 (2) |
| Antihypertensive therapy | 624 (8) | 1658 (6) |
| Diabetes mellitus treatment | 95 (1) | 270 (1) |
a
Percentages do not add up to 100% as for some patients the data were missing. SD = standard deviation.