Child characteristics | First grade | Seventh grade | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Unadjusted | Adjusted | Unadjusted | Adjusted | |||||||||||||
RR (95% CI) | p value | RR (95% CI) | p value | RR (95% CI) | p value | RR (95% CI) | p value | |||||||||
Socioeconomic characteristics | Â | Â | Â | Â | Â | Â | Â | Â | ||||||||
 Sex |  |  |  |  |  |  |  |  | ||||||||
  Male | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | ||||||||
  Female | 0.93 (0.81–1.07) | 0.32 | 0.94 (0.77–1.14) | 0.52 | 1.00 (0.85–1.21) | 0.88 | 1.16 (0.92–1.46) | 0.22 | ||||||||
 School type |  |  |  |  |  |  |  |  | ||||||||
  Public | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | ||||||||
  Private | 0.92 (0.78– 1.08) | 0.32 | 1.00 (0.79–1.27) | 0.18 | 1.02 (0.781.34) | 0.88 | 0.78 (0.54–1.13) | 0.18 | ||||||||
 Screening site |  |  |  |  |  |  |  |  | ||||||||
  Abu Saleem | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | ||||||||
  Hey al Andalus | 1.00 (0.86–1.14) | 0.95 | 0.51 (0.29–0.90) | 0.23 | 0.73 (0.62–0.87) |  < 0.001 | 0.59 (0.45–0.79) |  < 0.001 | ||||||||
 Mother’s educational level |  |  |  |  |  |  |  |  | ||||||||
   < High school | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | ||||||||
   ≥ High school | 0.86 (0.73–1.03) | 1.00 | 0.84 (0.65–1.08) | 0.16 | 1.07 (0.88–1.29 | 0.51 | 1.05 (0.78–1.40) | 0.76 | ||||||||
 Father’s educational level |  |  |  |  |  |  |  |  | ||||||||
   < High school | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | ||||||||
   ≥ High school | 0.91 (0.78–1.07) | 0.12 | 0.97 (0.77–1.22) | 0.77 | 1.20 (0.99–1.45) | 0.06 | 1.28 (0.96–1.71) | 0.10 | ||||||||
 Mother’s employment status |  |  |  |  |  |  |  |  | ||||||||
  Homemaker | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | ||||||||
  Employed | 0.99 (0.84–1.16) | 0.84 | 1.00 (0.82–1.23) | 0.97 | 0.89 (0.74–1.06 | 0.19 | 0.73(0.57–0.93) | 0.02 | ||||||||
 Father’s employment status |  |  |  |  |  |  |  |  | ||||||||
  Freelancer | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | ||||||||
  Employed | 0.98 (0.83–1.16) | 0.84 | 0.98 (0.79–1.22) | 0.84 | 1.30 (1.08–1.58) | 0.01 | 1.25 (0.97–1.61) | 0.08 | ||||||||
Sugar consumption | Â | Â | Â | Â | Â | Â | Â | Â | ||||||||
 Drinking soda |  |  < 0.001 |  | 0.57 |  | 0.12 |  | 0.32 | ||||||||
  Rarely or never | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | ||||||||
  Several times/wk | 1.44 (1.22–1.70) |  < 0.001 | 1.50 (0.58–3.91) | 0.41 | 0.78 (0.63–0.98 | 0.04 | 0.74 (0.55–0.98) | 0.04 | ||||||||
  1 time/d | 1.25 (1.00–1.56) | 0.05 | 1.03 (0.69–1.54) | 0.88 | 0.99 (0.74–1.31 | 0.92 | 0.76 (0.50–1.15) | 0.19 | ||||||||
  2–3 times/d | 1.37 (1.04–1.80) | 0.03 | 1.05 (0.75–1.46) | 0.80 | 1.02 (0.77–1.37 | 0.88 | 0.83 (0.54–1.28) | 0.40 | ||||||||
   ≥ 4 times/d | 1.67 (1.00–2.77) | 0.05 | 1.19 (0.95–1.50) | 0.13 | 1.08 (0.49–2.39) | 0.85 | 1.13 (0.32–4.04) | 0.85 | ||||||||
 Drinking juice |  |  < 0.001 |  | 0.22 |  | 0.87 |  | 0.52 | ||||||||
  Rarely or never | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | ||||||||
  Several times/wk | 1.97 (1.53–2.53) |  < 0.001 | 1.42 (0.97–2.08) | 0.14 | 0.95 (0.71–1.29) | 0.77 | 0.97 (0.43–2.18) | 0.93 | ||||||||
  1 time/d | 1.89 (1.44–2.47) |  < 0.001 | 1.26 (0.83–1.90) | 0.28 | 0.91 (0.66–1.26) | 0.58 | 1.44 (0.89–2.35) | 0.14 | ||||||||
  2–3 times/d | 2.09 (1.60–2.74) |  < 0.001 | 1.39 (0.90–2.16) | 0.07 | 1.02 (0.73–1.42 | 0.91 | 1.25 (0.80–1.94) | 0.33 | ||||||||
   ≥ 4 times/d | 2.58 (1.73–3.84) |  < 0.001 | 1.97 (1.03–3.79) | 0.04 | 0.79 (0.41–1.53 | 0.48 | 1.13 (0.76–1.69) | 0.54 | ||||||||
 Eating sweets |  |  < 0.001 |  | 0.03 |  | 0.78 |  | 0.31 | ||||||||
  Rarely or never | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | ||||||||
  Several times/wk | 1.93 (1.43–2.59) |  < 0.001 | 1.34 (0.82–2.18) | 0.24 | 0.96 (0.71–1.32) | 0.84 | 0.98 (0.51–1.91) | 0.96 | ||||||||
  1 time/d | 2.09 (1.54–2.83) |  < 0.001 | 1.51 (0.91–2.49) | 0.11 | 0.87 (0.62–1.24) | 0.48 | 0.86 (0.51–1.44) | 0.57 | ||||||||
  2–3 times/d | 2.34 (1.79–3.32) |  < 0.001 | 1.79 (1.06–3.03) | 0.03 | 1.06 (0.74–1.50 | 0.76 | 0.82 (0.50–1.33) | 0.42 | ||||||||
   ≥ 4 times/d | 2.22 (1.48–3.33) |  < 0.001 | 1.01 (0.52–1.93) | 0.99 | 0.99 (0.61–1.58) | 0.96 | 0.88 (0.58–1.34) | 0.56 | ||||||||
Toothbrushing behavior | Â | Â | Â | Â | Â | Â | Â | Â | ||||||||
 Brushing frequency |  | 0.01 |  | 0.77 |  | 0.01 |  | 0.51 | ||||||||
  Rarely or never | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | ||||||||
  Several times/wk | 1.11 (0.89–1.40) | 0.34 | 1.02 (0.50–2.10) | 0.96 | 0.96 (0.71–1.31) | 0.82 | NAa | NAa | ||||||||
  1 time/d | 0.97 (0.78–1.21) | 0.74 | 1.14 (0.62–2.10) | 0.68 | 0.78 (0.57–1.05) | 0.10 | 1.16 (0.73–1.85) | 0.53 | ||||||||
  2–3 times/d | 0.96 (0.77–1.21) | 0.80 | 1.00 (0.55–1.83) | 1.00 | 1.19 (0.88–1.60) | 0.23 | 0.96 (0.70–1.31) | 0.79 | ||||||||
   ≥ 4 times/d | 0.57 (0.40–0.82) |  < 0.001 | 1.15 (0.63–2.13) | 0.65 | 1.17 (0.78–1.75) | 0.46 | 0.85 (0.63–1.15) | 0.30 | ||||||||
 Brushing duration |  | 0.01 |  | 0.21 |  |  < 0.001 |  |  < 0.001 | ||||||||
   < 1 min | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | ||||||||
  1 min | 0.77 (0.63–0.94) | 0.01 | 0.82 (0.58–1.17) | 0.27 | 1.46 (1.10–1.93) | 0.01 | 1.47 (1.05–2.05) | 0.03 | ||||||||
  2 min | 0.69 (0.55–0.86) |  < 0.001 | 0.81 (0.61–1.08) | 0.16 | 1.09 (0.81–1.47) | 0.58 | 1.07 (0.75–1.52) | 0.72 | ||||||||
   ≥ 3 min | 0.76 (0.59–0.99) | 0.04 | 1.02 (0.78–1.34) | 0.89 | 0.80 (0.52–1.21) | 0.29 | 0.65 (0.39–1.07) | 0.09 | ||||||||
Dental visit history | Â | Â | Â | Â | Â | Â | Â | Â | ||||||||
 Past dental visit |  |  < 0.001 |  |  < 0.001 |  |  < 0.001 |  |  < 0.001 | ||||||||
  Never | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | 1.0 [Ref] |  | ||||||||
  Routine | 1.02 (0.82–1.26) | 0.87 | 1.04 (0.73–1.49) | 0.83 | 1.63 (1.20–2.22) |  < 0.001 | 1.45 (0.94–2.22) | 0.09 | ||||||||
  Treatment | 1.59 (1.29–1.96) |  < 0.001 | 1.91 (1.44–2.52) |  < 0.001 | 2.10 (1.69–2.62) |  < 0.001 | 2.25 (1.70–2.99) |  < 0.001 | ||||||||
  Emergency | 1.96 (1.60–2.39) |  < 0.001 | 2.01 (1.55–2.61) |  < 0.001 | 2.13 (1.65–2.75) |  < 0.001 | 2.61 (1.91–3.57) |  < 0.001 |