Table 1. Proportion of children brushing at least twice a day according to explanatory variables over the whole sample (bivariate analyses), significant variables at p<0.05 in bold.
N = 18727.
| Variable (% of the sample) | % | p-value |
| DIET | ||
| Daily breakfast | <0.0001 | |
| Yes (58.4%) | 73.3 | |
| No (41.6%) | 67.3 | |
| Daily fruit consumption | <0.0001 | |
| Yes (35.3%) | 77.4 | |
| No (64.7%) | 67.3 | |
| Daily vegetable consumption | <0.0001 | |
| Yes (42.8%) | 74.5 | |
| No (57.2%) | 68.1 | |
| Daily sweets consumption | 0.001 | |
| Yes (25.1%) | 69.0 | |
| No (74.9%) | 71.5 | |
| Daily soft drinks consumption | <0.0001 | |
| Yes (26.3%) | 67.3 | |
| No (73.7%) | 72.1 | |
| Being on a diet | 0.14 | |
| Yes (9.9% | 72.3 | |
| No (90.1%) | 70.6 | |
| HEALTH AND BODY | ||
| Excellent self-reported health | <0.0001 | |
| Yes (35.9%) | 74.0 | |
| No (64.1%) | 69.0 | |
| Overweight or obese | <0.0001 | |
| Yes (10.6%) | 59.6 | |
| No (89.4%) | 72.6 | |
| Cantril score > = 6 | <0.0001 | |
| Yes (84.1%) | 71.6 | |
| No (15.9%) | 66.6 | |
| Body Image | <0.0001 | |
| About the right size (57.4%) | 72.5 | |
| Too thin (13.4%) | 69.0 | |
| Too fat (29.2%) | 68.2 | |
| Variable (% of the sample) | % | p-value |
| SCHOOL LIFE | ||
| Academic delay | <0.0001 | |
| Yes (14.6%) | 65.4 | |
| No (85.4%) | 71.7 | |
| Liking school | <0.0001 | |
| Yes (69.6%) | 72.0 | |
| No (30.4%) | 68.0 | |
| Stressed by school | 0.06 | |
| Yes (68.3%) | 70.4 | |
| No (31.7%) | 71.8 | |
| Victim of violence at school | <0.0001 | |
| Yes (21.0%) | 66.0 | |
| No (79.0% | 72.1 | |
| Perceived school grades | <0.0001 | |
| Low (11.8%) | 66.1 | |
| Mid (36.8%) | 68.4 | |
| High (51.4%) | 73.8 | |
| Support from classmates | <0.0001 | |
| Low (12.1%) | 66.6 | |
| Mid (54.6%) | 70.5 | |
| High (33.3%) | 73.0 | |
| School too demanding | 0.28 | |
| Low (36.2%) | 70.7 | |
| Mid (48.8%) | 71.2 | |
| High (15.0%) | 69.6 | |
| Bullying others | <0.0001 | |
| Yes (36.0%) | 66.9 | |
| No (64.0% | 73.2 | |
| Being bullied | <0.0001 | |
| Yes (32.8%) | 66.5 | |
| No (67.2%) | 73.0 | |
| Variable (% of the sample) | % | p-value |
| SES | ||
| Perceived wealth | <0.0001 | |
| Low (7.4%) | 63.1 | |
| Mid (27.4%) | 67.6 | |
| High (65.2%) | 72.9 | |
| Parental activity | <0.005 | |
| Both parents working (75.1%) | 71.6 | |
| One parent working (20.8%) | 69.2 | |
| None working (3.1%) | 66.8 | |
| Family Affluence Scale | <0.0001 | |
| Low (8.8%) | 66.1 | |
| Mid (35.5%) | 69.3 | |
| High (55.6%) | 72.8 |