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Table 4 Multivariate Analysis exploring relationship between modality of HIV testing and total societal cost of testinga

From: Cost and quality of life analysis of HIV self-testing and facility-based HIV testing and counselling in Blantyre, Malawi

  Total societal cost
Model 1 (n = 1240) Model 2 (n = 1237)
2014 US Dollars 2014 INT Dollars 2014 US Dollars 2014 INT Dollars
Coef (95 % CI) Coef (95 % CI) Coef (95 % CI) Coef (95 % CI)
Exposure Control clusters: Facility HTC Ref Ref Ref Ref
Intervention clusters: Facility HTC -1 · 45 (-3 · 62, 0 · 73) -4 · 24 (-9 · 99, 1 · 52) -0 · 98 (-2 · 59, 0 · 63) -2 · 97 (-7 · 07, 1 · 13)
Intervention clusters: HIVST -3 · 01 (-5 · 14, -0 · 88) -12 · 52 (-18 · 23, -6 · 82) -2 · 38 (-3 · 89, -0 · 87) -10 · 82 (-14 · 79, -6 · 87)
HIV Test Result HIV negative Ref Ref Ref Ref
HIV positive 1 · 19 (-0 · 04, 2 · 41) 2 · 76 (-0 · 29, 5 · 81) 1 · 11 (0 · 24, 1 · 99) 2 · 57 (0 · 41, 4 · 72)
  1. Model 1: adjusted for exposure, HIV test result, age and sex
  2. Model 2: additionally adjusted for marital status, educational attainment, income and wealth quintile
  3. Missing data for HIV test result: 1; missing data for educational attainment: 1; missing data for socio-economic position: 2
  4. aFindings from Generalized Linear Model with Poisson distribution and Identity link function