Table 3.
Baseline sample characteristics by trajectory class (N = 1638).
| At-risk drinkers | Low-risk drinkers | ||||
|---|---|---|---|---|---|
| Light-stable | Medium-stable | High-decreasing | Light-increasing | Very light-slightly increasing | |
| Age in years | 27.5 (9.3) | 29.3 (10.2) | 33.7 (13.8) | 32.6 (10.9) | 32.0 (11.0) |
| Sex | |||||
| Female | 237 (84.0) | 94 (40.5) | 4 (10.3) | 55 (17.5) | 529 (68.6) |
| Male | 45 (16.0) | 138 (59.5) | 35 (89.7) | 259 (82.5) | 242 (31.4) |
| School education | |||||
| < 10 years | 17 (6.0) | 6 (2.6) | 5 (12.8) | 11 (3.5) | 61 (7.9) |
| 10–11 years | 74 (26.2) | 38 (16.4) | 8 (20.5) | 93 (29.6) | 248 (33.5) |
| ≥ 12 years | 191 (67.7) | 188 (81.0) | 26 (66.7) | 210 (66.9) | 452 (58.6) |
| Employment status | |||||
| Full-time employed | 88 (31.2) | 83 (35.8) | 17 (43.6) | 157 (50.0) | 340 (44.1) |
| Unemployed/ part-time employed | 80 (28.4) | 72 (31.0) | 16 (41.0) | 70 (22.3) | 181 (23.5) |
| Education | 106 (37.6) | 71 (30.6) | 5 (12.8) | 74 (23.6) | 190 (24.6) |
| Other* | 8 (2.8) | 6 (2.6) | 1 (2.6) | 13 (4.1) | 60 (7.8) |
| Smoking status | |||||
| Never smoker | 145 (51.4) | 86 (37.1) | 6 (15.4) | 164 (52.2) | 464 (60.2) |
| Former smoker | 49 (17.4) | 29 (12.5) | 6 (15.4) | 57 (18.2) | 107 (13.9) |
| Current less than daily smoker | 28 (9.9) | 48 (20.7) | 7 (18.0) | 28 (8.9) | 56 (7.2) |
| Current daily smoker | 60 (21.3) | 69 (29.7) | 20 (51.2) | 65 (20.7) | 144 (18.7) |
| Self-reported health | |||||
| Excellent | 26 (9.2) | 22 (9.5) | 4 (10.3) | 24 (7.6) | 52 (6.7) |
| Very good | 112 (39.7) | 85 (36.6) | 16 (41.0) | 145 (46.2) | 286 (37.1) |
| Good | 125 (44.3) | 112 (48.3) | 15 (38.4) | 123 (39.2) | 377 (48.9) |
| Fair/ poor | 19 (6.7) | 13 (5.6) | 4 (10.3) | 22 (7.0) | 56 (7.3) |
Data are numbers (percent) or means (standard deviations) for age.
Retired, on maternity or parental leave, homemaker.