TABLE 2.

Comparison of Cohort and Dropouts: BMI²

	Cohort (n = 457)	Dropouts (n = 188)
Mean child age (SD)	5.1 (1.8)	5.1 (1.9)
Mean child BMI percentile (SD)	91.8 (3.4)	92.2 (3.1)
Parent BMI (SD)a	28.5 (6.8)	30.3 (7.0)
Child gender, %
Male	45.1	37.8
Female	54.9	62.2
Parent completing questionnaire, %
Mother	90.9	89.6
Father	7.5	8.8
Other	1.5	1.6
Child race, %a
White	64.0	50.0
Black	5.5	9.3
Hispanic	18.3	29.7
Asian	6.4	3.8
Other	5.7	7.1
Household income, %a
<$40 000	27.7	42.5
≥$40 000	72.3	57.5
Parent education, %a
Less than college	55.8	74.4
College or higher	44.2	25.6
Child insurance coverage, %
Anyb	99.3	95.6
Privatea	72.4	51.4
Medicaida	22.7	33.2

Dropouts defined as missing 2-year follow-up data.

^aCohort and dropout groups differ P < .01, based on analysis of variance for continuous and χ² for categorical variables.

^bCohort and dropout groups differ P < .05, based on analysis of variance for continuous and χ² for categorical variables.