Table 3.

Generalized estimating equation modeling of factors predicting BMI SDS during the observation period

Outcome Variable	Standardized Parameter Estimate ± SEM	95% Confidence Interval	P
BMI SDS
intercept	−0.07 ± 0.19	−0.45 to 0.31	0.721
observation time (years)	−0.06 ± 0.18	−0.41 to −0.30	0.75
age at PD start (years)	0.23 ± 0.13	−0.01 to 0.47	0.058
age at study entry (years)	0.05 ± 0.13	−0.20 to 0.30	0.71
BMI SDS at study entry	0.70 ± 0.05	0.61 to 0.80	<0.0001
Region of residence (reference: Europe)
North America	0.39 ± 0.18	0.05 to 0.74	0.026
Latin America	−0.19 ± 0.13	−0.44 to 0.07	0.153
Turkey	−0.55 ± 0.20	−0.95 to −0.16	0.006
Asia	0.21 ± 0.33	−0.43 to 0.85	0.516
Time on enteral feeding (years)	0.50 ± 0.23	0.04 to 0.96	0.032
Dialytic glucose exposure (g/kg per day)	−0.03 ± 0.02	−0.08 to 0.02	0.182

Standardized parameter estimate indicates a unit greater BMI SDS at follow-up per unit of independent variable.