Table 4. Multivariate linear regression results for predictors of change in BMI z score on follow-up.

Predictors found to be significant in univariate regression (Table 3) are included.

	Regression coefficient (95% confidence interval)	p-value
Age (y)	-0.013 (-0.029 - +0.002)	0.098
z-BMI	-0.220 (-0.276 - -0.164)	8×10−14
Follow-up duration (y)	-0.051 (-0.113 –+0.010)	0.103
Number of visits	-0.040 (-0.069 - -0.011)	0.008