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Table 4 Adjusted logistic regression for occurrence of any decayed teeth (DT > 0) and Poisson regression for number of decayed teeth (DT) (ICDAS3 +)

From: Dental caries among Finnish teenagers participating in physical activity and diet intervention: association with anthropometrics and behavioural factors

  DT > 0 (n = 150) DT (n = 150)
  OR (95%CI) p-value IRR (95%CI) p-value
Group     
Intervention Ref   Ref  
Control 1.7 (0.7–3.9) 0.250 1.7 (1.1–2.8) 0.030
Gender     
Girls 1.0 (0.4–2.6) 0.980 1.0 (0.6–1.7) 0.963
Boys Ref   Ref  
Household income     
 ≤ 29,999€ Ref   Ref  
30 000–59 000€ 1.1 (0.2–7.7) 0.925 1.0 (0.3–2.9) 0.936
 ≥ 60,000€ 1.5 (0.3–8.7) 0.636 1.0 (0.4–2.7) 0.993
Tooth brushing frequency (%)     
At least twice a day Ref   Ref  
Less often 1.8 (0.6–4.9) 0.264 2.2 (1.3–3.8) 0.004
Smoking (%)     
Never Ref   Ref  
Current or occasional 0.7 (0.1–5.3) 0.770 1.0 (0.3–2.7) 0.939
Use of snuff (%)     
Never Ref   Ref  
Current or occasional 0.1 (0.01–1.0) 0.055 0.3 (0.1–0.9) 0.028
Use of sugar sweetened beverages (%)     
Once a week or less often 0.1 (0.01–0.4) 0.006 0.1 (0.1–0.3)  < 0.001
2–3 times a week 0.2 (0.02–1.2) 0.070 0.3 (0.2–0.7) 0.004
4–7 times a week Ref   Ref  
Carbohydrate intake (E%) 1.1 (1.0–1.2) 0.011 1.1 (1.0–1.1) 0.002
Sucrose intake (E%) 0.9 (0.9–1.0) 0.260 1.0 (0.9–1.0) 0.232
Number of decayed teeth at baseline1 1.1 (0.8–1.4) 0.714 1.0 (0.8–1.2) 0.970
Body Mass Index tertiles     
Lowest (range 14.9–19.6) 0.8 (0.3–2.3) 0.633 1.1 (0.5–2.1) 0.878
Middle (range 19.6–21.2) 0.7 (0.2–2.1) 0.501 0.7 (0.4–1.5) 0.431
Highest (range 21.2–8.7) Ref   Ref  
  1. Bolded values indicate statistically significant associations (P < 0.05)
  2. 1Initial or decayed lesions in deciduous or permanent teeth