Table C1.

Results of bivariate negative binomial regression based on enterococci counts in child foods in Maputo, Mozambique

Risk factor	Coefficienta	z	95% CI	p value
Caregiver sex—female (ref: Male)	(does not converge)
Caregiver age (years)
<20	Ref
20–29	−0.74	−0.63	[−3.1, 1.6]	.53
30–39	−0.19	−0.16	[−2.5, 2.1]	.87
40+	−0.28	−0.14	[−4.2, 3.6]	.89
Relationship to child—Mother (ref: Not mother)	0.79	0.49	[−2.4, 4.0]	.63
Caregiver education
No schooling	Ref
Primary school	3.4	0.60	[−7.6, 14]	.55
Secondary or above	4.3	0.77	[−6.7, 15]	.44
Child age (months)
6–23	Ref
24–35	1.5	1.2	[−0.96, 4.0]	.23
36–47	0.70	0.56	[−1.7, 3.2]	.57
48–59	0.66	0.53	[−1.8, 3.1]	.59
No. of household members
2–4	Ref
5+	2.5	3.3	1.0, 4.0	<.01
No. of children under 5 years
1	Ref
2+	0.37	0.47	[−1.2, 1.9]	.64
Wealth quintile
1st	Ref
2nd	−2.8	−3.3	[−4.4, −1.1]	<.01
3rd	0.11	0.07	[−2.9, 3.1]	.94
4th	−0.63	−0.42	[−3.6, 2.3]	.67
5th	−0.56	−0.38	[−3.4, 2.3]	.70
Crowding (people per room)
<4	Ref
≥4	−0.37	−0.48	[−1.9, 1.2]	.64
Water source—Tap in compound (ref: Other)	1.1	1.2	[−0.66, 2.9]	.22
Water stored in covered container—Yes (ref: No)	−0.57	−0.22	[−5.6, 4.4]	.82
Point of use water treatment—Yes (ref: No)	−0.32	−0.29	[−2.5, 1.8]	.77
MapSan trial arm—Intervention (ref: Control)	−0.74	−0.91	[−2.3, 0.85]	.36
Child faeces observed on premises—Yes (ref: No)	2.5	0.89	[−3.0, 8.1]	.37
Animals observed on premises—Yes (ref: No)	0.07	0.11	[−1.2, 1.4]	.91
Soap availability—Yes (ref: No)	−0.16	−0.09	[−3.4, 3.1]	.93
Self‐reported HWWS—Yes (ref: No)	0.61	0.60	[−1.4, 2.6]	.55
HWWS after defecation—Yes (ref: No)	−0.35	−0.45	[−1.9, 1.2]	.65
HWWS after changing nappies—Yes (ref: No)	−26	−12	[−30, −21]	<.01
HWWS before preparing food—Yes (ref: No)	1.3	1.5	[−0.4, 2.9]	.14
HWWS before eating—Yes (ref: No)	0.94	1.1	[−0.74, 2.6]	.27
HWWS before feeding the child—Yes (ref: No)	−0.52	−0.45	[−2.8, 1.8]	.65
Washing of cooking utensils—Yes (ref: No)	1.2	1.0	[−1.1, 3.5]	.32
Washing of feeding utensils—Yes (ref: No)	1.0	0.99	[−0.98, 3.0]	.32
Washing of food containers—Yes (ref: No)	1.1	0.71	[−1.9, 4.0]	.48
Washing of cooking surfaces—Yes (ref: No)	−0.04	−0.01	[−5.7, 5.6]	.99
Utensils visibly dirty—Yes (ref: No)	0.17	0.15	[−2.0, 2.4]	.88
Location of cooking—Outside (ref: Inside)	−0.07	−0.10	[−1.5, 1.4]	.92
Location of feeding the child—Outside (ref: Inside)	0.73	0.98	[−0.73, 2.2]	.33
Main ingredients (ref: Ingredient not included)
Flour‐based: Porridge	−4.2	−5.5	[−5.7, −2.7]	<.01
Cooked vegetables	1.2	1.5	[−0.32, 2.7]	.12
Salad	0.19	0.17	[−2.0, 2.4]	.87
Fried egg	−3.4	−0.43	[−19, 12]	.67
Meat/fish	−0.20	−0.14	[−3.1, 2.7]	.89
Contact with other foods – Yes (ref: No)	0.47	0.56	[−1.2, 2.1]	.57
Food stored after cooking (ref: Food cooked and not stored)	1.3	1.7	[−0.18, 2.8]	.09
Food stored in covered container (ref: Stored uncovered)	−0.38	−0.38	[−2.4, 1.6]	.71
Food refrigerated (ref: Stored at ambient temperature)	−27	−19	[−30, −25]	<.01
Food reheated (ref: Stored and not reheated)	1.3	1.1	[−0.99, 3.6]	.27

Note. Hygiene risk factors are based on self‐report.

Abbreviations: CI, confidence interval; HWWS, handwashing with soap.

^aCoefficient relates to the increase in log count.