Table 2.

Effect of HealthCorps on BMI z-score, and overweight/obesity and obesity prevalence stratified by sex and baseline weight status

BMI z-score
		HealthCorps (Est±SE)					Comparison(Est±SE)
Sex	Baseline Weight Status	N	Pre	Post	Post–Pre delta	p	N	Pre	Post	Post–Pre delta	p
Males	Normal	242	−0.23±0.08	−0.09±0.08	0.13±0.04	0.001	91	−0.10±0.11	0.10±0.11	0.20±0.06	0.002
	Ow/Ob	109	1.68±0.08	1.61±0.08	−0.07±0.05	0.140	34	1.75±0.11	1.70±0.11	−0.05±0.08	0.513
	Obese	50	1.99±0.06	1.94±0.06	−0.05±0.07	0.496	18	2.08±0.12	1.93±0.12	−0.15±0.11	0.191
	All	351	0.36±0.09	0.44±0.09	0.08±0.04	0.013	125	0.47±0.14	0.60±0.14	0.14±0.05	0.008
Females	Normal	177	−0.04±0.06	0.03±0.06	0.07±0.04	0.069	68	−0.21±0.10	−0.20±0.10	0.02±0.06	0.728
	Ow/Ob	83	1.60±0.07	1.44±0.07	−0.16±0.05	0.004	28	1.58±0.10	1.55±0.11	−0.03±0.09	0.707
	Obese	33	1.98±0.08	1.74±0.08	−0.23±0.10	0.028	12	1.94±0.12	1.91±0.12	−0.04±0.17	0.825
	All	260	0.49±0.12	0.50±0.12	0.01±0.03	0.753	96	0.31±0.11	0.32±0.11	0.01±0.05	0.772
Overweight/obesity and obesity rates
HealthCorps							Comparison
Sex	Weight Status	Pre%	Post%	OR of Post vs. Pre (95% CI)		p	Pre%	Post%	OR of Post vs. Pre (95% CI)		p
Males	Ow/Ob	31.1%	31.3%	1.05 (0.73, 1.53)		0.785	27.2%	31.2%	1.33 (0.71, 2.48)		0.379
	Obese	14.3%	15.7%	1.22 (0.76, 1.96)		0.400	14.4%	17.6%	1.38 (0.64, 2.97)		0.412
Females	Ow/Ob	31.9%	27.7%	0.77 (0.49, 1.21)		0.251	29.2%	28.1%	0.92 (0.44, 1.96)		0.817
	Obese	12.7%	13.1%	1.08 (0.59, 19.7)		0.792	12.5%	10.4%	0.75 (0.26, 2.13)		0.583

Note: Model-based Est (Estimates) and OR (odds-ratio) were adjusted for age and Hispanic race; SE Standard error; Ow/Ob Overweight/Obese; Bold-faced numbers and p-values indicate significant changes from pre to post-HealthCorps teaching