Table 1.
Age adjusted means and age adjusted proportions (%) of characteristics by units of alcohol consumed a week
| Characteristic | None | 1-7 | 8-14 | 15-21 | 22-34 | ⩾35 | P value for difference* | P value for trend† |
|---|---|---|---|---|---|---|---|---|
| No (%) of men | 1833 (31.8) | 1116 (19.4) | 1061 (18.4) | 628 (10.9) | 625 (10.8) | 503 (8.7) | ||
| Age (years) | 49.0 | 48.0 | 47.9 | 48.0 | 47.7 | 47.6 | 0.0001 | 0.26 |
| No (%) with manual occupation | 768 (41.4) | 379 (34.4) | 539 (51.1) | 388 (62.2) | 414 (66.30) | 364 (72.1) | 0.0001 | 0.0001 |
| No (%) with fathers with manual occupation | 1346 (74.8) | 748 (68.4) | 764 (73.1) | 492 (80.3) | 511 (83.2) | 422 (85.1) | 0.44 | 0.0001 |
| No of siblings | 3.2 | 3.0 | 3.5 | 3.7 | 3.9 | 4.3 | 0.0001 | 0.0001 |
| No (%) who left education aged ⩽14 years | 901 (47.7) | 419 (37.9) | 517 (49.3) | 385 (61.9) | 397 (64.4) | 318 (64.7) | 0.07 | 0.0001 |
| No (%) in deprivation category 6 and 7 | 452 (24.2) | 219 (19.8) | 296 (28.1) | 218 (34.8) | 240 (38.7) | 222 (43.7) | 0.0001 | 0.0001 |
| No (%) of car users | 991 (54.6) | 716 (64.1) | 587 (54.7) | 288 (45.6) | 257 (40.4) | 149 (29.5) | 0.020 | 0.0001 |
| Cholesterol (mmol/l) | 5.85 | 5.94 | 5.94 | 5.81 | 5.83 | 5.88 | 0.28 | 0.13 |
| Systolic blood pressure (mm Hg) | 133.1 | 131.4 | 133.6 | 135.4 | 135.1 | 140.2 | 0.37 | 0.0001 |
| Diastolic blood pressure (mm Hg) | 83.4 | 82.7 | 83.5 | 84.5 | 84.5 | 87.3 | 0.11 | 0.0001 |
| Body mass index (kg/m2) | 25.2 | 25.0 | 25.1 | 25.1 | 25.3 | 25.5 | 0.32 | 0.0001 |
| Triglycerides‡ (mmol/l) | 1.31 | 1.30 | 1.39 | 1.47 | 1.39 | 1.56 | 0.0001 | 0.0001 |
| No (%) who never smoked | 490 (27.5) | 193 (16.9) | 169 (15.6) | 50 (7.9) | 59 (9.2) | 55 (10.8) | 0.0001 | 0.0001 |
| N0 (%) of current cigarette smokers | 834 (45.3) | 569 (51.2) | 622 (58.7) | 417 (66.4) | 423 (67.3) | 332 (65.7) | 0.0001 | 0.0001 |
| No of cigarettes/day§ | 18.0 | 18.5 | 18.6 | 19.6 | 19.4 | 21.4 | 0.0001 | 0.0001 |
| No (%) with angina | 115 (6.0) | 64 (5.9) | 53 (5.1) | 48 (7.7) | 45 (7.0) | 33 (6.7) | 0.89 | 0.07 |
| No (%) with ischaemia on ECG | 106 (5.5) | 70 (6.3) | 52 (5.0) | 46 (7.4) | 28 (4.6) | 32 (6.4) | 0.98 | 0.39 |
| No (%) with bronchitis | 28 (1.4) | 14 (1.3) | 24 (2.4) | 17 (2.7) | 14 (2.2) | 30 (6.0) | 0.017 | 0.0001 |
| Adjusted FEV1(%)¶ | 95.9 | 96.2 | 93.8 | 92.2 | 92.3 | 90.0 | 0.0001 | 0.0001 |
*
Test for difference for any drinking versus none; t test for continuous variables, χ2 test for discrete variables.
†
Test for trend within any units of alcohol groups with continuous variable.
‡
For 5300 who fasted and were not diabetic.
§
For current smokers only.
¶
Forced expiratory volume in 1 second (%).