Table 1. Baseline characteristics of the study participants by baseline levels of alcohol consumption.
| Characteristic | Alcohol consumption | ||||||
|---|---|---|---|---|---|---|---|
| Total n (column %) | Abstinent (AUDIT-C = 0) n (column %) | Low to moderate (AUDIT-C = 1–3) n (column %) | Moderate to high (AUDIT-C = 4) n (column %) | High (AUDIT-C = 5) n (column %) | Very high (AUDIT-C = 6–7) n (column %) | Extremely high (AUDIT-C = 8–12) n (column %) | |
| Total | 4,028 (100.0) | 447 (100.00) | 2,203 (100.00) | 674 (100.00) | 383 (100.00) | 228 (100.00) | 93 (100.00) |
| Demographic variables | |||||||
| Females | 2,006 (49.80) | 248 (55.48) | 1,368 (62.10) | 250 (37.09) | 89 (23.24) | 37 (16.23) | 14 (15.05) |
| Age groups | |||||||
| 18–39 | 1,851 (45.95) | 161 (36.02) | 1,040 (47.21) | 330 (48.96) | 174 (45.43) | 104 (45.61) | 42 (45.16) |
| 40–49 | 847 (21.03) | 85 (19.02) | 435 (19.75) | 156 (23.15) | 95 (24.80) | 52 (22.81) | 24 (25.81) |
| 50–64 | 1,330 (33.02) | 201 (44.97) | 728 (33.05) | 188 (27.89) | 114 (29.77) | 72 (31.58) | 27 (29.03) |
| School education | |||||||
| <10 years | 1,927 (47.84) | 290 (64.88) | 1,063 (48.25) | 270 (40.06) | 151 (39.43) | 98 (42.98) | 55 (59.14) |
| 10–11 years | 1,471 (36.52) | 123 (27.52) | 811 (36.81) | 283 (41.99) | 139 (36.29) | 89 (39.04) | 26 (27.96) |
| >11 years | 630 (15.64) | 34 (7.61) | 329 (14.93) | 121 (17.95) | 93 (24.28) | 41 (17.98) | 12 (12.90) |
| Smoking status | |||||||
| Never smoker | 676 (16.78) | 123 (27.52) | 449 (20.38) | 66 (9.79) | 25 (6.53) | 10 (4.39) | 3 (3.23) |
| Ever less than daily | 920 (22.84) | 68 (15.21) | 594 (26.96) | 142 (21.07) | 73 (19.06) | 31 (13.60) | 12 (12.90) |
| Former daily | 839 (20.83) | 85 (19.02) | 407 (18.47) | 171 (25.37) | 99 (25.85) | 61 (26.75) | 16 (17.20) |
| Current daily <20 cpd | 485 (12.04) | 54 (12.08) | 267 (12.12) | 80 (11.87) | 45 (11.75) | 32 (14.04) | 7 (7.53) |
| Current daily ≥20 cpd | 1,108 (27.51) | 117 (26.17) | 486 (22.06) | 215 (31.90) | 141 (36.81) | 94 (41.23) | 55 (59.14) |
| Self-rated health | |||||||
| Very good to excellent | 1,427 (35.43) | 111 (24.83) | 797 (36.18) | 265 (39.32) | 145 (37.86) | 81 (35.53) | 28 (30.11) |
| Good | 1,926 (47.82) | 214 (47.87) | 1,048 (47.57) | 325 (48.22) | 184 (48.04) | 113 (49.56) | 42 (45.16) |
| Fair to poor | 675 (16.76) | 122 (27.29) | 358 (16.25) | 84 (12.46) | 54 (14.10) | 34 (14.91) | 23 (24.73) |
Alcohol consumption: last 12 months prior to the interview at baseline. n number of study participants at baseline who had vital status information at follow-up. AUDIT-C, value range 0–12. The p-values of the Pearson chi-squared tests are < .001 for all characteristics shown.
AUDIT-C, Alcohol Use Disorder Identification Test-Consumption; cpd, cigarettes per day.