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Descriptive statistics of the study population
| Variables | n (%) |
|---|---|
| Socioeconomic status | |
| Lower | 268 (14.1) |
| Middle | 1300 (68.4) |
| Upper | 332 (17.5) |
| Family structure | |
| Joint | 478 (25.2) |
| Nuclear | 1410 (74.2) |
| Others | 12 (0.6) |
| Birth order | |
| First | 856 (45.1) |
| Second | 920 (48.4) |
| Third or more | 124 (6.5) |
| Sugar consumption | |
| Not at all | 150 (7.9) |
| Once | 826 (43.5) |
| Twice | 510 (26.8) |
| More than twice | 414 (21.8) |
| Mode of cleaning teeth | |
| Toothbrush and toothpaste | 1886 (99.3) |
| Toothbrush and toothpowder | 14 (0.7) |
