Women's Lifestyle and Health cohort characteristics by change in alcohol consumption between baseline (1991) and follow-up (2004)
| Change in alcohol consumption between baseline (1991/92) and follow-up (2004) period | ||||||||
|---|---|---|---|---|---|---|---|---|
| Characteristics | Stop 2614 | Start 3924 | Abstainers at baseline and follow-up 2465 | Maintain low <5 g/day 14 941 | Maintain high ≥5 g/day 9337 | Increase 11 660 | Decrease 2165 | Exit before follow-up (death or emigration) 1143 |
| Mean (SD) baseline alcohol consumption* (g/day) | 1.8 (3.5) | – | – | 1.7 (1.3) | 9.3 (5.4) | 2.6 (1.3) | 7.9 (6.0) | 4.8 (6.8) |
| Baseline abstainers (%) | – | 60 | 37 | – | – | – | – | 3 |
| Mean (SD) follow-up alcohol consumption* (g/day) | – | 4.0 (10.8) | – | 2.4 (1.5) | 14.3 (14.2) | 10.2 (15.4) | 3.3 (1.2) | – |
| Follow-up abstainers (%) | 51.5 | 48.5 | – | – | – | – | – | |
| Prevalent conditions at baseline (%) | 5.6 | 8.4 | 5.4 | 29.3 | 19.9 | 23.1 | 4.1 | 3.9 |
| Mean (SD) age at baseline (years) | 41.3 (5.7) | 39.4 (5.8) | 41.4 (5.9) | 40.4 (5.8) | 40.9 (5.6) | 39.5 (5.6) | 41.0 (5.7) | 41.4 (5.9) |
| Smoking status at baseline (%) | ||||||||
| Never | 51.9 | 43.7 | 63.0 | 46.2 | 29.5 | 39.0 | 34.2 | 35.7 |
| Former | 27.6 | 34.4 | 21.8 | 35.2 | 44.1 | 40.3 | 40.0 | 38.0 |
| Current | 20.5 | 21.9 | 15.2 | 18.6 | 26.4 | 20.8 | 25.8 | 26.3 |
| Smoking status at follow-up (%) | ||||||||
| Never | 51.0 | 42.1 | 61.8 | 45.1 | 28.6 | 37.8 | 33.4 | – |
| Former | 27.7 | 33.3 | 21.5 | 34.3 | 44.1 | 40.5 | 39.0 | – |
| Current | 21.3 | 24.6 | 16.7 | 20.6 | 27.3 | 21.7 | 27.6 | – |
| Mean (SD) baseline educational attainment (years) | 11.5 (3.1) | 11.4 (2.9) | 11.3 (3.2) | 11.9 (2.9) | 12.8 (3.1) | 12.4 (2.8) | 12.4 (3.0) | 12.4 (3.7) |
| Mean (SD) physical activity score (5 categories) | 3.0 (0.9) | 3.0 (0.9) | 3.9 (0.9) | 3.1 (0.9) | 3.2 (0.9) | 3.2 (0.9) | 3.1 (0.9) | 2.9 (1.6) |
| Mean (SD) BMI (kg/m2) at baseline | 24.3 (4.5) | 23.9 (4.1) | 24.5 (4.5) | 23.7 (3.9) | 23.1 (3.3) | 23.1 (3.3) | 23.4 (3.5) | 23.7 (4.1) |
| Mean (SD) BMI (kg/m2) at follow-up | 26.3 (5.2) | 26.0 (4.8) | 26.5 (5.3) | 25.7 (4.5) | 24.9 (3.8) | 25.1 (4.0) | 25.3 (4.7) | – |
| All death (n) | 100 | 132 | 121 | 411 | 283 | 260 | 82 | 711 |
| ARC mortality (n) | 21 | 25 | 18 | 80 | 66 | 53 | 14 | 153 |
| Other cancers mortality (n) | 39 | 47 | 52 | 184 | 119 | 122 | 36 | 262 |
| CVD mortality (n) | 9 | 20 | 9 | 30 | 22 | 21 | 8 | 58 |
| IHD mortality (n) | 7 | 14 | 14 | 25 | 9 | 8 | 9 | 42 |
| External causes of deaths (n) | 3 | 3 | 6 | 19 | 17 | 17 | 7 | 111 |
| Other deaths (n) | 23 | 24 | 24 | 80 | 55 | 43 | 10 | 93 |
ARC as defined by the International Agency for Cancer Research (breast cancer C50; colorectal cancer C18–C20; UADT (including cancer of the mouth, C01 -C15, larynx, C32, and excluding salivary gland, C08). (all cancer mortality excluding ARC mortality)).
*Among alcohol consumers at baseline.
ARC, alcohol-related cancers; BMI, body mass index; CVD, cardiovascular disease; IHD, ischaemic heart diseases; OC, oral contraceptive; UADT, upper aerodigestive tract.