Table 2.

Demographic Characteristics by Study Arm

	Group A (N=179)		Group B (N= 158)		Group C (N=191)		Total (N=528)		p-value
	n	(%)	n	(%)	n	(%)	n	(%)
Gender									0.330Ω
Boys	80	44.7	73	46.2	95	49.7	248	47.0
Girls	99	55.3	85	53.8	96	50.3	280	53.0
Age									0.250Ω
10	83	46.4	78	49.4	100	52.4	261	49.4
11	96	53.4	80	50.6	91	47.6	267	50.6
Grade									0.099Ψ
3rd	61	34.1	40	25.3	52	27.2	153	29.0
4th	67	37.4	81	51.3	93	48.7	241	45.6
5th	51	28.5	37	23.4	46	24.1	134	25.4
Live with Both Parents									0.551Ω
No	60	34.9	53	33.5	60	31.9	173	33.4
Yes	112	65.1	105	66.5	128	68.1	345	66.6
Total	179	33.9	158	29.9	191	36.2	528	100.0
	Mean (SD)		Mean (SD)		Mean (SD)		Mean (SD)		p-value
Household profile
Household Size	5.6 (2.8)		5.8 (2.5)		5.8 (2.4)		5.7 (2.6)		0.800ς
Tanzanian Poverty Score (0-72)1	62.3 (11.6)		61.0 (11.8)		60.8 (11.5)		61.4 (11.6)		0.123ς
Health
General Health Scale (1-4)	2.02 (0.99)		1.92 (0.99)		1.88 (0.96)		1.94 (0.98)		0.251ς
Pubertal Development Scale Girls (0-3)2	0.75 (0.85)		0.84 (0.90)		0.88 (0.80)		0.82 (0.85)		0.200ς
Pubertal Development Scale Boys (0-3)2	0.85 (0.92)		0.63 (0.79)		0.74 (0.76)		0.74 (0.82)		0.048ς

¹Summative score of items 2-10 of the Tanzanian Poverty Scorecard [61]. Higher score=higher wealth

²Modified three question self-report PDS; Higher score=higher development

^ΩChi-square test p-value for differences in baseline characteristics by group assignment

^ΨANOVA test p-value for differences in baseline characteristics by group assignment

^ςT-test p-value for differences in baseline characteristics by group assignment

*p <0.05, **p < 0.01, ***p < 0.001; significant p-values are bolded