Table 3 Results of subgroup analysis between ETS and oral health status by covariates
From: Associations between environmental tobacco smoke exposure and oral health symptoms in adolescents
Variables | Boys | Girls | ||||
|---|---|---|---|---|---|---|
Oral health symptoms | Oral health symptoms | |||||
None | ETS exposure | None | ETS exposure | |||
OR | OR | 95% CI | OR | OR | 95% CI | |
Toothbrushing frequency in a day | ||||||
3 times or more a day | 1.00 | 1.38 | (1.24–1.53) | 1.00 | 1.51 | (1.39–1.65) |
Twice a day | 1.00 | 1.73 | (1.58–1.90) | 1.00 | 1.47 | (1.34–1.61) |
None or once a day | 1.00 | 1.59 | (1.28–1.97) | 1.00 | 1.73 | (1.29–2.33) |
Soda intake frequency | ||||||
More than once a day | 1.00 | 2.11 | (1.66–2.69) | 1.00 | 1.52 | (1.10–2.09) |
1–6 times a week | 1.00 | 1.52 | (1.40–1.64) | 1.00 | 1.59 | (1.47–1.72) |
None | 1.00 | 1.55 | (1.31–1.84) | 1.00 | 1.33 | (1.18–1.50) |
Middle and high school | ||||||
High school | 1.00 | 1.66 | (1.51–1.83) | 1.00 | 1.54 | (1.41–1.68) |
Middle school | 1.00 | 1.49 | (1.36–1.63) | 1.00 | 1.47 | (1.35–1.61) |
Family affluence | ||||||
High | 1.00 | 1.57 | (1.36–1.80) | 1.00 | 1.40 | (1.24–1.59) |
Middle | 1.00 | 1.55 | (1.42–1.68) | 1.00 | 1.49 | (1.37–1.63) |
Low | 1.00 | 1.58 | (1.35–1.84) | 1.00 | 1.75 | (1.49–2.04) |
Parents' education level | ||||||
≤ Middle | 1.00 | 1.52 | (0.68–3.42) | 1.00 | 1.72 | (0.74–3.97) |
High school | 1.00 | 1.79 | (1.52–2.11) | 1.00 | 1.66 | (1.44–1.91) |
≥ College | 1.00 | 1.54 | (1.42–1.67) | 1.00 | 1.45 | (1.34–1.57) |
Unknown | 1.00 | 1.43 | (1.21–1.70) | 1.00 | 1.59 | (1.34–1.88) |