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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
  1. S-ECC = Severe Early Childhood Caries.
  2. Adjusted R2 = 8.37%.