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

Table 4 Results of random parameter logit model (mixed logit model) for the MDR-TB CB-DOT model attributes

Attributes and levels^a	Coefficients	95%CI	P-value	SD	95%CI	P value^†	Relative importance
Constant	0.52	0.30–0.74	< 0. 01	-	-	-	-
DOT provider							30.3%
Family (reference)
Community health work	1.13	0.68–1.59	< 0. 01	1.85	1.33–2.37	< 0.01
Expert client	0.89	0.46–1.32	< 0. 01	1.77	1.24–2.30	< 0.01
Location							33.5%
Workplace (reference)
Home	1.25	0.91–1.59	< 0. 01	1.19	0.80–1.57	< 0.01
Support							36.2%
SMS (reference)
Phone call reminders	0.70	0.41–0.99	< 0. 01	0.19	0.95–1.33	0.74
Travel vouchers	1.35	1.04–1.65	< 0. 01	0.55	0.04–1.05	0.033

^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)
† P value testing the hypothesis that standard deviation (heterogeneity across individuals’ preferences) equals ‘0’
Number of observations = 2472

ISSN: 1472-6963