| Model 1 (POR, 95% CI) | Model 2 (POR, 95% CI) | Model 3 (POR, 95% CI) | Model 4 | Model 5 (POR, 95% CI) |
---|---|---|---|---|---|
Perceived susceptibility | 1.44 (1.25–1.65)* | 1.36 (1.16–1.59)* | 1.39 (1.21–1.61)* | 1.42 (1.24–1.63)* | 1.31 (1.12–1.54)* |
Perceived severity | 1.00 (0.87–1.15) | 0.94 (0.80–1.11) | 1.01 (0.87–1.16) | 0.98 (0.85–1.14) | 0.92 (0.78–1.09) |
Perceived benefits | 0.98 (0.79–1.20) | 1.05 (0.83–1.33) | 0.97 (0.79–1.20) | 0.98 (0.79–1.20) | 1.05 (0.83–1.33) |
Perceived barriers | 1.16 (0.97–1.39) | 1.16 (0.95–1.42) | 1.15 (0.95–1.39) | 1.13 (0.95–1.36) | 1.16 (0.93–1.44) |
Cues to action | 0.96 (0.84–1.10) | 1.00 (0.86–1.17) | 0.98 (0.85–1.13) | 0.97 (0.85–1.12) | 1.02 (0.87–1.19) |
Self-efficacy | 1.02 (0.89–1.15) | 1.00 (0.87–1.16) | 1.01 (0.88–1.16) | 1.02 (0.90–1.16) | 1.00 (0.86–1.17) |
Sex | |||||
 Boy | – | 1 | – |  | 1 |
 Girl | – | 1.63 (1.25–2.12)* | – |  | 1.64 (1.24–2.17)* |
Father’s education level | |||||
 Elementary school | – | 1 | – |  | 1 |
 High school | – | 0.76 (0.46–1.25) | – |  | 0.73 (0.44–1.21) |
 College or above | – | 0.66 (0.37–1.21) | – |  | 0.64 (0.35–1.17) |
Mother’s education level | |||||
 Elementary school | – | 1 | – |  | 1 |
 High school | – | 0.58 (0.38–0.89)* | – |  | 0.58 (0.38–0.91)* |
 College or above | – | 0.56 (0.32–0.98)* | – |  | 0.54 (0.31–0.96)* |
Family income per month | |||||
 HK$15,000 or below | – | 1 | – |  | 1 |
 HK$15,001 -50,000 | – | 1.00 (0.69–1.43) | – |  | 1.02 (0.71–1.49) |
 HK$50,001 or above | – | 1.01 (0.61–1.68) | – |  | 1.07 (0.64–1.79) |
Tooth brushing behavior | |||||
 Once a day or less often | – | – | 1 |  | 1 |
 Twice or more a day | – | – | 0.96 (0.73–1.28) |  | 0.94 (0.68–1.30) |
Flossing behavior | |||||
 Never or less than once a week | – | – | 1 |  | 1 |
 At least once a week | – | – | 0.99 (0.73–1.35) |  | 1.01 (0.71–1.42) |
Sugar consumption | |||||
 Rare or less than once a week | – | – | 1 |  | 1 |
 Several times a week or daily | – | – | 1.23 (0.69–1.26) |  | 1.09 (0.75–1.57) |
Annual dental visit | |||||
 No | – | – | 1 |  | 1.08 (0.76–1.53) |
 Yes | – | – | 0.93 (0.69–1.26) |  |  |
Dental anxiety level | |||||
 No or mild |  |  |  | 1 | 1 |
 Severe |  |  |  | 1.66 (1.17–2.35)* | 1.51 (1.03–2.21)* |
−2 Log likelihood | 1558 | 1261 | 1508 | 1549 | 1218 |
Nagelkerke R2 | 0.042 | 0.072 | 0.042 | 0.051 | 0.080 |