Table 5.
Binary logistic regression analyses of toothache and gingival bleeding in relation to knowledge of oral hygiene, oral hygiene practices, and demographic factors among primary schoolchildren in Lilongwe, Malawi.
| Demographic and predisposing factors | Toothache | Gingival bleeding on tooth brushing | ||||||
|---|---|---|---|---|---|---|---|---|
| B | SE | Odds ratio | 95% CI | B | SE | Odds ratio | 95% CI | |
| Not using plastic toothbrush | 0.995 | 0.402 | 2.624 | 1.194–5.767c | 1.222 | 0.403 | 3.395 | 1.540–7.484b |
| Not brushing before breakfast | 0.706 | 0.384 | 2.027 | 0.955–4.301 | 0.772 | 0.388 | 2.165 | 1.012–4.632c |
| Residence: urban versus rural | 1.032 | 0.237 | 2.806 | 1.765–4.461a | 0.785 | 0.253 | 2.192 | 1.334–3.600b |
B = beta weights (regression coefficient); SE: standard error; CI: confidence interval. Statistical significance: aP < 0.001, bP < 0.01, and cP < 0.05. No asterisk: statistically not significant (NS).