Table 1.
Sociodemographic characteristics of the sample
| Variable | Argentina | Mexico | Overall | ||
|---|---|---|---|---|---|
| n (%) | n (%) | P* | n (%) | ||
| 3,172 (100) | 10,123 (100) | 13,295 (100) | |||
| Sociodemographics | |||||
| Sex | |||||
| Female | 1335 (42.4) | 5041 (49.9) | 0.032 | 6376 (48.2) | |
| Male | 1817 (57.6) | 5049 (50.1) | 6866 (51.9) | ||
| Age, mean (SD), y | 12.83 (0.95) | 12.43 (0.60) | 0.002 | 12.53 (0.72) | |
| Parent's education | 0.012 | ||||
| ≤7 years | 214 (6.9) | 1317 (13.1) | 1531 (11.7) | ||
| 8-12 years | 1289 (41.4) | 6279 (62.6) | 7568 (57.6) | ||
| >12 years | 1292 (41.5) | 1573 (15.7) | 2865 (21.8) | ||
| Don't know | 322 (10.3) | 858 (8.6) | 1180 (9.0) | ||
| Personal characteristics | |||||
| Sensation seeking, mean (SD), range 1-5 | 3.21 (1.06) | 2.88 (1.05) | 0.001 | ||
| Parenting style, mean (SD), range 1-5 | 3.98 (0.67) | 3.86 (0.88) | 0.014 | ||
| Alcohol use | |||||
| Never drinker | 1504 (47.7) | 5392 (54.0) | 0.02 | 6896 (52.5) | |
| Susceptible to drinking alcohol | 529 (35.2) | 1433 (26.6) | 0.001 | 1962 (28.5) | |
| Ever drinker | 1650(52.3) | 4595 (46.0) | 6630 (50.4) | ||
| Current drinker | 801 (25.4) | 1822 (18.1) | 0.003 | 2850 (19.8) | |
| Binge drinking | 554 (17.6) | 884 ( 8.8) | 0.001 | 1424 (10.9) | |
| Friend who drink | 1664 (52.8 ) | 3903 (38.8) | 0.001 | 5567 (42.2) | |
*
Univariate linear regression models were used to compare continuous variables and logistic regression models to compare categorical variables, in both models random intercepts for schools were used