Table 4 Incidence of white spot lesions of 2–3-year-old children and their older siblings in the control and intervention group (N = 478)
From: The impact of anticipatory guidance on early childhood caries: a quasi-experimental study
Group | Number of new cases of white spot | Number of children at risk | Incidence of white spot lesions | Incidence rate (%) | p-value a | |
|---|---|---|---|---|---|---|
2–3 year-old children | Intervention | 24 | 196 | 0.12 | 12 | < 0.001 |
Control | 53 | 211 | 0.25 | 25 | ||
4–6 year-old children | Intervention | 5 | 159 | 0.03 | 3 | 0.621 |
Control | 6 | 166 | 0.04 | 4 |