Table 1 Baseline characteristics of cohort by SAH status.
Variable | No. SAH | SAH |
|---|---|---|
Participants, n | 64 835 | 543 |
Age at baseline, years, mean (SD) | 45.3 (12.1) | 46.0 (11.5) |
Sex, men (%) | 48.40% | 46.20% |
BMI (kg/m2) | 26.3 (4.4) | 26.1 (4.2) |
Blood pressure, mean (SD) | ||
• Systolic (mmHg) | 140.9 (21.4) | 147.1 (23.7) |
• Diastolic (mmHg) | 84.6 (12.8) | 89.3 (12.7) |
Smoking, n (%) | ||
• Never | 34 670 (53.5) | 235 (43.3) |
• Former | 11 736 (18.1) | 80 (14.7) |
• Current | 17 337 (26.7) | 215 (39.6) |
• Missing data | 1 092 (1.7) | 13 (2.4) |
Alcohol, g/week, mean (SD) | 53.6 (96.6) | 68.1 (115.3) |
Total cholesterol, mmol/l, mean (SD) | 6.0 (1.3) | 6.3 (1.4) |
Education, n (%) | ||
• Low | 18 089 (27.9) | 162 (29.8) |
• Moderate | 21 858 (33.7) | 186 (34.3) |
• High | 23 464 (36.2) | 180 (33.1) |
• Missing data | 1 424 (2.2) | 15 (2.8) |
Leisure-time physical activity, n (%) | ||
• Low | 19 822 (30.6) | 184 (33.9) |
• Moderate | 32 365 (50.0) | 281 (51.7) |
• High | 11 391 (17.6) | 62 (11.4) |
• Missing data | 1 257 (1.9) | 16 (2.9) |
Commuting physical activity, minutes, n (%) | ||
• No work | 17 453 (26.9) | 156 (28.7) |
• Motor transport | 15 789 (24.4) | 116 (21.4) |
• <30 | 17 208 (26.5) | 147 (27.1) |
• ≥30 | 9 618 (14.8) | 88 (16.2) |
• Missing data | 4 767 (7.4) | 36 (6.6) |
Occupational physical activity, n (%) | ||
• No work | 18 100 (27.9) | 160 (29.5) |
• Low | 12 038 (18.6) | 67 (12.3) |
• Moderate | 13 744 (21.2) | 122 (22.5) |
• High | 18 045 (27.8) | 168 (30.9) |
• Missing data | 2 908 (4.5) | 26 (4.8) |