Table 5 Logistic regression identifying predictors of having caries at follow-up (n = 463)

Predictor variables

OR (95% CI)

p value

AOR (95% CI)

p value

Male vs. female (reference)

0.85 (0.56–1.28)

0.434

0.71 (0.46–1.09)

0.117

Position in birth order¹

1.03 (0.72–1.47)

0.875

0.89 (0.58–1.36)

0.588

 Parent(s) brushed child’s teeth²

0.93 (0.45–1.94)

0.846

0.70 (0.33–1.50)

0.361

 Irregular visits to dental clinic for checkups

2.45 (0.54–11.21)

0.249

2.73 (0.58–12.94)

0.206

 Breastfed overnight

1.77 (1.10–2.85)

0.019

1.85 (0.89–3.86)

0.100

 Bottle fed overnight

1.66 (0.65–4.20)

0.287

0.36 (0.04–3.07)

0.347

 Snacking unscheduled

1.76 (1.22–2.54)

0.003

1.15 (0.66–1.99)

0.621

 Brushed irregularly

1.52 (1.05–2.19)

0.025

0.89 (0.46–1.73)

0.729

 Breastfed overnight and brushed irregularly³

2.08 (1.08–4.00)

0.029

1.47 (0.48–4.53)

0.501

 Bottle fed overnight and brushed irregularly⁴

4.59 (1.13–18.56)

0.033

14.27 (1.02–199.71)

0.048

 Snacking unscheduled and brushed irregularly⁵

2.02 (1.15–3.54)

0.015

1.98 (0.81–4.86)

0.137

 Unable to rinse own mouth

1.72 (0.67–4.37)

0.258

2.08 (0.79–5.46)

0.138

 Plaque accumulation on one or more teeth⁶

3.30 (1.83–5.93)

< 0.001

2.41 (1.34–4.35)

0.003

 Mother had untreated caries at follow-up

2.14 (1.28–3.59)

0.004

1.84 (1.09–3.12)

0.023