Table 2.

Bivariate and Multivariable Associations of Linha Verde Calls, Health-Facility Characteristics, and Number of Second-Line ART Requests by Health Facility.

Covariate	Bivariate					Multivariable (main), n = 955			Multivariable (exploratory), n = 955
	Categories	Coefficient	P Value	95% CI	N nonmissing	Coefficient	P Value	95% CI	Coefficient	P Value	95% CI
Treatment failure calls (any type)		3.70	<.001	3.15-4.26	1011	0.61	.009	0.15-1.06	Not included
Treatment failure calls (direct)		5.14	<.001	4.23-6.06	1011	Not included			−0.03	0.943	−0.93-0.86
Treatment failure calls (indirect)		4.82	<.001	3.00-6.64	1011	Not included			1.70	<.001	0.80-2.60
Calls unrelated to treatment failure		1.49	<.001	1.25-1.73	1011	Not included			−0.11	0.385	−0.36-0.14
Health facility level	Unknown or missing	-0.45	.821	−4.35,3.45	1011	Nonhospital: reference	–	–	Nonhospital: reference	–	–
	Health post	-0.71	.635	−3.66-2.23
	Rural health center	Reference	–	–
	Urban health center	11.86	<.001	9.67-14.05
	Hospital	11.29	<.001	8.31-14.26		4.39	<.001	2.06-6.71	4.11	.001	1.78-6.44
Years of ART experience	≤2.5	Reference	–	–	966	<10.5: reference	–	–	<10.5: reference	–	–
	3.5-7.5	1.84	.073	−0.17-3.84
	8.5-9.5	9.05	<.001	7.18-10.91
	10.5-12.5	21.80	<.001	17.72-25.87		6.02	<.001	2.99-9.05	5.77	<.001	2.74-8.81
ART caseload	<1000	Reference	–	–	959	Reference	–	–	Reference	–	–
	1000-4999	6.77	<.001	5.26-8.28		3.47	<.001	2.03-4.92	3.43	<.001	1.97-4.90
	5000-9999	22.14	<.001	19.14-25.14		12.29	<.001	9.36-15.23	12.95	<.001	9.90-16.00
	≥10 000	112.08	<.001	103.5-120.66		87.27	<.001	79.37-95.16	87.07	<.001	79.17-94.97
Viral load test availability, months: In same district		0.77	<.001	0.60-0.93	987	0.18	.007	0.05-0.31	0.19	.006	0.05-0.32

Abbreviations: ART, antiretroviral therapy; CI, confidence interval.