Table 1 |
||||
| Characteristics of adolescents from 12 to 19 years of age enrolled in SOFT study, in southern Brazil [N (%) or mean ± SD] | ||||
| Total | Boys | Girls | P value* | |
| N = 568 | N = 281 | N = 287 | ||
| Age (years) | 0.8 | |||
| 12-14 | 199 (35.0) | 102 (36.2) | 97 (33.8) | |
| 15-17 | 232 (40.8) | 111 (39.5) | 121 (42.2) | |
| 18-19 | 137 (24.1) | 68 (24.2) | 69 (24.0) | |
| White skin color | 284 (50.0) | 132 (47.0) | 152 (53.0) | 0.15 |
| Education (years) | 7.5 ±2.5 | 7.5 ±2.6 | 7.6 ±2.5 | 0.8 |
| Current smokers | 57 (10.0) | 23 (8.2) | 34 (11.8) | 0.15 |
| Alcohol consumption in the last 30 days (g/week)† | 0.008 | |||
| No | 357 (62.9) | 184 (65.5) | 173 (60.3) | |
| < 12.7 | 69 (12.1) | 22 (7.8) | 47 (16.4) | |
| ≥ 12.7 | 142 (25.0) | 75 (26.7) | 67 (23.3) | |
| Physical activity | <0.001 | |||
| Mild | 139 (24.5) | 57 (20.3) | 82 (28.6) | |
| Moderate | 269 (47.4) | 115 (40.9) | 154 (53.7) | |
| Vigorous | 160 (28.2) | 109 (38.8) | 51 (17.8) | |
| Body mass index** | 0.001 | |||
| Underweight | 45 (7.9) | 11 (3.9) | 34 (11.8) | |
| Normal | 392 (69.0) | 196 (69.8) | 196 (68.3) | |
| Overweight | 131 (23.1) | 74 (26.3) | 57 (19.9) | |
* Pearson chi-squared test.
† Grams of ethanol per week.
** BMI categorized as proposed by Cole et al.
Rieth et al. Nutrition Journal 2012 11:95 doi:10.1186/1475-2891-11-95