Table 2. Variable means for the full sample and poultry-based sub-samples, including t-tests of mean differences relative to the "Poultry inside" sub-sample.

	All households	No poultry	Poultry outside	Poultry inside
	(N = 3,934 children 0–59 months of age from 2,704 households)	(N = 1,835 children 0–59 months of age from 1,415 households)	(N = 860 children 0–59 months of age from 671 households)	(N = 799 children 0–59 months of age from 618 households)
HAZ score	-1.75	-1.82	-1.56***	-1.80
Stunting (%)	48.43	50.08	43.49***	49.94
ASF in last 24 hours (%)	31.25	30.82	31.28	32.23
Eggs in last 24 hours (%)	4.58	2.07***	8.95***	5.64
Number of poultry owned	1.96	n/a	4.39***	3.82
Tropical livestock units (TLUs)	3.60	3.41	4.06***	3.57
Control variables in regression models:
Owns other livestock (%)	90.67	87.47***	94.65	93.74
Other livestock kept inside (%)	32.86	30.95***	9.65***	62.20
Highest education (years)	4.06	3.66***	4.87	4.12
Household assets (birr), log	6.88	6.55***	7.42	7.03
Land size (acres), log	0.65	0.50***	0.92	0.69
Iron roof (%)	42.59	37.11***	51.16	45.93
Dirt, mud or dung floor (%)	97.02	96.73***	96.16***	98.62
Uses toilet (%)	61.22	57.49***	63.26	67.58
Safe water (%)	59.59	57.06**	63.37	61.33
Electricity (%)	6.41	7.08***	6.86**	4.38
Nutrition knowledge z score	0.00	-0.09***	0.13	0.07
Health worker visited (%)	22.84	19.13***	25.12*	28.91
Agricultural worker visited (%)	29.48	25.94***	30.58**	36.42
Child age (months)	33.48	33.56	33.35	33.44
Female (%)	50.57	48.50**	52.91	52.82
Muslim (%)	28.33	37.28***	17.67	19.27
Orthodox Christian (%)	44.13	34.71***	61.16***	47.43
Other religion (%)	27.53	28.01***	21.16***	33.29

Notes

*, ** and *** indicate significance at the 10%, 5% and 1% level, respectively, for tests of whether "no poultry" and "poultry outside" have common means to the "poultry inside" sample. This is a two-tailed t-test based on unequal variances.