Predicting the risk of childhood overweight and obesity at 4–5 years using population-level pregnancy and early-life healthcare data

Table 3 Predictors included (+) in the final complete case and multiple imputed models

Predictors	Booking		Birth		Early life (~ 1 year)		Early life (~ 2 years)
Predictors	Complete case model	Multiple imputation model	Complete case model	Multiple imputation model	Complete case model	Multiple imputation model	Complete case model	Multiple imputation model
Maternal age at booking	+	+	+	+		+
Maternal BMI at booking	+	+	+	+	+	+	+	+
Maternal smoking status at booking	+	+	+	+	+	+	+	+
Maternal educational attainment			+	+	+	+	+	+
Maternal ethnicity	+	+	+	+	+	+		+
Maternal intake of folic acid supplements	+	+	+	+	+	+		+
Maternal first language English	+	+	+	+
Partnership status at booking	+	+	+	+		+	+	+
Parity at booking	+	+	+	+
Birthweight			+	+		+		+
Gestational age at birth			+	+		+
Child sex					+	+	+	+
Child weight					+	+	+	+
Discrimination and calibration
AUC	0.66 0.65 to 0.67	0.66 0.65 to 0.67	0.69 0.68 to 0.70	0.69 0.68 to 0.70	0.78 0.77 to 0.80	0.78 0.77 to 0.79	0.83 0.82 to 0.84	0.83 0.82 to 0.84
Calibration slope (standard error)	1.00 (0.03)	0.98 (0.03)	1.00 (0.03)	0.98 (0.03)	1.00 (0.04)	0.99 (0.01)	1.00 (0.04)	0.99 (0.01)

ISSN: 1741-7015