TABLE 3.

Chi-Square Analysis of Paper Versus SMS Follow-Up by Study Population Characteristics

Characteristic	Uganda		Ghana		Senegal		Rwanda
Characteristic	MUAC >90 days (%)	P Value	MUAC >90 days (%)	P Value	MUAC >90 days (%)	P Value	MUAC >90 days (%)	P Value
Under-5 Children
Age, months		<.001^***		<.001^***		<.001^***		<.001^***
6–12 (1 year)	64	REF	67	REF	26	<.001^***	64	.11
12–18	70	<.001^***	80	<.001^***	34	<.001^***	79	.001^***
18–24 (2 years)	72	<.001^***	77	<.001^***	36	<.001^***	76	.03^*
24–30	72	<.001^***	70	<.001^***	36	<.001^***	69	.96
30–36 (3 years)	73	<.001^***	77	<.001^***	32	<.001^***	75	REF
36–42	73	<.001^***	80	<.001^***	35	<.001^***	68	.67
42–48 (4 years)	74	<.001^***	73	<.001^***	33	<.001^***	78	.002^***
48–54	71	<.001^***	71	<.001^***	30	<.001^***	75	.045^*
54–60 (5 years)	62	<.001^***	62	<.001^***	20	.30	76	.02^*
Gender		.006^**		.25		.98		.76
Male	70	.006^**	73	REF	32	REF	73	REF
Female	71	REF	74	.25	32	.98	74	.76
Households
No. of under-5 children in each household categorized		<.001^***		.002^**		.05^*		.047^*
1	56	REF	72	REF	33	REF	74	REF
2	60	.03^*	76	<.001^***	33	.94	74	.75
3	60	<.001^***	78	.001^***	31	.16	71	.61
4	61	.63	72	.88	31	.33	63	.20
5	71	.03^*	30	.01^**	32	.67	11	.003^**
6	68	.37	NA	NA	30	.28	NA	NA
7	NA	NA	NA	NA	14	.04^*	NA	NA
8	NA	NA	NA	NA	41	.20	NA	NA
9	NA	NA	NA	NA	40	.28	NA	NA
10	NA	NA	NA	NA	16	.09	NA	NA
11	NA	NA	NA	NA	NA	NA	NA	NA
Age groups for household heads, years		<.001^***		<.001^***		.82		.02^*
0–15	66	.11	67	.30	NA	NA	NA	NA
15–25	48	<.001^***	41	<.001^***	27	REF	NA	NA
25–35	56	REF	55	REF	26	.49	54	<.001^***
35–45	59	<.001^***	54	.20	28	.74	67	REF
45–55	59	<.001^***	61	<.001^***	27	.98	68	.45
55–65	60	<.001^***	58	.33	26	.50	66	.80
≥65	60	<.001^***	55	.99	26	.61	70	.31
Gender of household head		.05^*		.88			.26	<.001^***
Male	56	REF	55	REF	27	REF	69	REF
Female	57	.05^*	54	.88	29	.26	54	<.001^***
CHWs
No. of under-5 children per CHW		<.001^***		<.001^***		<.001^***		<.001^***
1 (range: 0–150)	71	REF	76	REF	NA	REF	64	REF
2 (range: 150–177)	72	.56	77	.66	NA	NA	70	<.001^***
3 (range: 177–200)	72	.005^**	81	.002^**	17	.45	80	<.001^***
4 (range: ≥200)	67	<.001^***	63	<.001^***	32	<.001^***	NA	NA

Abbreviations: CHW, community health worker; MUAC, mid-upper arm circumference; NA, not applicable.
↵* P≤.05;
↵** P≤.01;
↵*** P≤.001.