Developing a patient-centered community-based model for management of multi-drug resistant tuberculosis in Uganda: a discrete choice experiment

Table 5 Results of random parameter logit model subgroup analysis for HIV status of respondent

Attributes and levels^a	HIV Negative			HIV Positive			P value†
	Coefficient	SD	Relative importance	Coefficient	SD	Relative importance
DOT provider			34.2			24.2
Family (reference)	–	–		–	–
Community health work	1.22	1.78		0.95	2.07		0.356
Expert client	0.89	1.50		0.84	2.37		0.741
Location			27.5			43.0
Workplace (reference)
Home	0.98	1.11		1.69	1.26		0.042
Support			38.4			32.8
SMS (reference)
Phone call reminders	0.76	0.56		0.56	0.01		0.668
Travel vouchers	1.37	0.47		1.29	0.53		0.582

^aDummy coded attributes (coefficient of the reference category is constrained to be 0)
CI Confidence interval, SD standard deviation for preference heterogeneity (random component of the model coefficients)
Number of observations = 1512 (HIV negative), 960 (HIV positive)
† P value for indicating statistical difference in preference weights of attribute levels by HIV status

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