Table 7.

Linear regression analysis of socio-demographic factors associated with BMI-for-age z-score among primary school children in Lahore, Pakistan (n = 1860)^a

Characteristics	Regression coefficient (95% CI)	Standard error	P value
Girls	-0.08 (-0.21 to 0.05)	0.07	0.248
Age (months)	0.01 (-0.01 to 0.01)	< 0.01	0.285
Area and socioeconomic status (SES)b	-0.39 (-0.49 to -0.29)	0.05	< 0.001
Higher neighborhood income	0.04 (-0.10 to 0.17)	0.07	0.587
Higher parental education	0.06 (-0.02 to 0.15)	0.04	0.142
Higher number of siblings	-0.08 (-0.23 to 0.06)	0.07	0.252
Higher number of persons in child's living room	-0.07 (-0.18 to 0.05)	0.06	0.269

^aR² for model = 0.141

^bArea and SES strata: 1. Urban with high SES, 2. Urban with middle SES, 3. Urban with low SES, and 4. Rural with low/disadvantaged SES