Table 1 Participant characteristics at baseline (1993/1999) in total and by stroke sub-type
From: Long-term exposure to road traffic noise and stroke incidence: a Danish Nurse Cohort study
Parameter | Level | Total | By stroke sub-type | |||
|---|---|---|---|---|---|---|
No stroke | All stroke | Ischemic | Hemorrhagic | |||
N (%) | 25,660 (100) | 24,423 (95) | 1237 (5) | 1089 (4) | 148 (1) | |
Age, baseline, mean (SD) | 52.9 (7.9) | 52.6 (7.7) | 59.5 (9.2) | 59.8 (9.3) | 57.2 (8.5) | |
BMI, mean (SD) | 23.7 (3.5) | 23.7 (3.5) | 23.8 (3.6) | 23.8 (3.6) | 23.9 (3.8) | |
Leisure time physical activity, n (%) | Low | 1734 (6.8) | 1619 (6.7) | 115 (9.5) | 107 (10.0) | 8 (5.4) |
Medium | 16,889 (66.5) | 16,068 (66.5) | 821 (67.5) | 723 (67.6) | 98 (66.7) | |
High | 6765 (26.6) | 6485 (26.8) | 280 (23.0) | 239 (22.4) | 41 (27.9) | |
Fruit intake, n (%) | Rarely | 930 (3.7) | 879 (3.7) | 51 (4.2) | 42 (3.9) | 9 (6.3) |
Weekly | 7244 (28.6) | 6911 (28.7) | 333 (27.6) | 289 (27.1) | 44 (30.8) | |
Daily | 17,112 (67.7) | 16,288 (67.6) | 824 (68.2) | 734 (68.9) | 90 (62.9) | |
Alcoholic drink intake, weekly, n (%) | None (0) | 3907 (15.7) | 3663 (15.4) | 244 (20.4) | 227 (21.7) | 17 (11.6) |
Moderate (1–14) | 15,303 (61.4) | 14,608 (61.6) | 695 (58.2) | 598 (57.1) | 97 (66.0) | |
Heavy (≥15) | 5713 (22.9) | 5458 (23.0) | 255 (21.4) | 222 (21.2) | 33 (22.4) | |
Smoking status, n (%) | Never | 8574 (34.5) | 8239 (34.8) | 335 (28.6) | 294 (28.5) | 41 (29.1) |
Former | 7474 (30.1) | 7134 (30.2) | 340 (29.0) | 298 (28.9) | 42 (29.8) | |
Current | 8783 (35.4) | 8285 (35.0) | 498 (42.5) | 440 (42.6) | 58 (41.1) | |
Marital status, n (%) | Married | 17,815 (70.1) | 17,096 (70.6) | 719 (58.7) | 632 (58.7) | 87 (58.8) |
Separated | 453 (1.8) | 429 (1.8) | 24 (2.0) | 23 (2.1) | 1 (0.7) | |
Divorced | 2987 (11.7) | 2820 (11.7) | 167 (13.6) | 142 (13.2) | 25 (16.9) | |
Never married | 2539 (10.0) | 2378 (9.8) | 161 (13.1) | 139 (12.9) | 22 (14.9) | |
Widowed | 1635 (6.4) | 1481 (6.1) | 154 (12.6) | 141 (13.1) | 13 (8.8) | |
Hypertension, n (%) | Yes | 3253 (12.7) | 2960 (12.1) | 293 (23.8) | 261 (24.1) | 32 (21.6) |
AMI, n (%) | Yes | 179 (0.7) | 150 (0.6) | 29 (2.4) | 28 (2.6) | 1 (0.7) |
Diabetes mel., n (%) | Yes | 311 (1.2) | 279 (1.2) | 32 (2.6) | 30 (2.8) | 2 (1.4) |
Shift work type, n (%) | Day | 12,488 (62.3) | 12,086 (62.4) | 402 (61.0) | 343 (60.5) | 59 (64.1) |
Evening | 2028 (10.1) | 1947 (10.0) | 81 (12.3) | 75 (13.2) | 6 (6.5) | |
Night | 1124 (5.6) | 1069 (5.5) | 55 (8.3) | 49 (8.6) | 6 (6.5) | |
Rotating | 4401 (22.0) | 4280 (22.1) | 121 (18.4) | 100 (17.6) | 21 (22.8) | |
Urbanicity degree, n (%) | Urban | 7798 (30.4) | 7384 (30.2) | 414 (33.5) | 364 (33.4) | 50 (33.8) |
Suburban | 5881 (22.9) | 5610 (23.0) | 271 (21.9) | 233 (21.4) | 38 (25.7) | |
Rural | 11,976 (46.7) | 11,424 (46.8) | 552 (44.6) | 492 (45.2) | 60 (40.5) | |