Table 3 Multiple regression for mean vitamin D level
From: Vitamin D status of children with severe early childhood caries: a case–control study
Variable | Unstandardized regression coefficient (b) | ± 95% confidence interval | P value |
|---|---|---|---|
Intercept | 71.01 | / | / |
S-ECC (Reference = Yes) | 5.33 | 1.24, 9.42 | 0.01 |
Regular milk drinker (Reference = Yes) | -6.60 | -13.16, -0.03 | 0.05 |
Season (Reference = Winter) | 5.22 | 1.37, 9.06 | 0.008 |
Vitamin D drop user (Reference = Yes) | -2.17 | 2.01, -6.13 | 0.28 |
Yearly income (Reference = < 28 k) | 2.73 | 2.06, -1.32 | 0.19 |