Table 1.
Sample characteristics by site at time of initial recruitment
| Variable | Intervention site (n = 1,233) n (%) | Comparison site (n = 816) n (%) |
| Wave of recruitment | ||
| 1 | 505 (41.0) | 331 (40.6) |
| 2 | 491 (39.8) | 320 (39.2) |
| 3 | 237 (19.2) | 165 (20.2) |
| Age, M (SD)*** | 47.4 (14.6) | 41.2 (13.7) |
| Age categories*** | ||
| 19–24 | 77 (6.2) | 100 (12.3) |
| 25–44 | 436 (35.4) | 379 (46.5) |
| ≥45 | 720 (58.4) | 337 (41.3) |
| Ethnicity*** | ||
| White | 891 (72.3) | 481 (59.0) |
| Aboriginal | 219 (17.8) | 198 (24.3) |
| Other | 123 (10.0) | 137 (16.8) |
| Sex* | ||
| Female (vs. male) | 625 (50.7) | 368 (45.1) |
| Education levels* | ||
| Low (Completed high school or less) | 250 (25.3) | 184 (22.6) |
| Medium (Trades or college certificate, some university or university certificate below Bachelor’s) | 437 (35.4) | 292 (35.8) |
| High (Bachelor’s degree or higher) | 490 (39.7) | 285 (34.9) |
| Unknown (DK, PNS, missing) | 56 (4.5) | 55 (6.7) |
| Income levels** | ||
| Low (<$30,000CAD) | 197 (16.0) | 87 (10.7) |
| Medium ($30,000 to <$60,000CAD) | 222 (18.0) | 128 (15.7) |
| High (≥$60,000CAD) | 698 (56.6) | 489 (59.9) |
| Unknown (DK, PNS, Missing) | 116 (9.4) | 112 (13.7) |
| Alcohol use levels** | ||
| Low volume ≤10 for females/15 for males per week | 912 (74.0) | 555 (68.0) |
| Risky volume 11–19/16–29 per week | 96 (7.8) | 50 (6.1) |
| High volume ≥20/30 per week | 121 (9.8) | 105 (12.9) |
| Unknown (DK, PNS, missing) | 104 (8.4) | 106 (13.0) |
| Health literacy levels*** | ||
| Limited literacy (score ≤1) | 369 (29.9) | 287 (35.2) |
| Possibility of limited literacy (score 2–3) | 240 (19.5) | 160 (19.6) |
| Adequate literacy (score 4–6) | 563 (45.7) | 299 (36.6) |
| Unknown (DK, PNS, Missing) | 61 (5.0) | 70 (8.6) |
Notes: DK = don’t know; PNS = prefer not to say.
*
p < .05;
**
p < .001;
***
p < .0001 for Pearson χ2 test.