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Table 2 Factors associated with second-line ARV prices

From: Factors influencing global antiretroviral procurement prices

Antiretroviral drugs+ ABC
300 mg
ddI
100 mg
ddI
400 mg
LPV/r
133/33 mg
RTV
100 mg
TDV
300 mg
HIV Prevalence 2-5% -0.060
(-0.181, 0.061)
-0.109
(-0.298, 0.080)
-0.509**
(-0.663, -0.354)
-0.405*
(-0.785, -0.024)
-0.107
(-0.453, -0.239)
-0.126*
(-0.222, -0.031)
HIV Prevalence >5% -0.092
(-0.247, 0.063)
-0.167
(-0.335, -0.002)
-0.343**
(-0.417, -0.269)
-0.629*
(-1.015, -0.244)
-0.382
(-1.041, 0.277)
-0.137*
(-0.265, 0.010)
Lower-middle-income -0.018
(-0.155, 0.118)
0.227
(-0.417, 0.871)
0.573
(0.199, 0.948)
0.657
(0.033, 1.282)*
-0.050
(-0.328, 0.428)
0.165
(-0.006, 0.337)
Upper-middle-income -0.040
(-0.278, 0.198)
0.407
(0.129, 0.684)*
0.369
(0.063, 0.676)*
0.284
(-0.373, 0.942)
-0.049
(-0.313, 0.410)
0.272*
(0.076, 0.467)
Volume 2nd tercile -0.006
(-0.123, 0.111)
0.010
(-0.165, 0.185)
0.146
(-0.096, 0.388)
-0.039
(-0.336, 0.257)
0.017
(0.536, 0.501)
-0.117
(-0.256, 0.022)
Volume 3th tercile -0.003
(-0.109, 0.103)
0.023
(-0.190, 0.235)
0.118
(-0.273, 0.509)
-0.410*
(-0.637, -0.182)
-0.405*
(-0.785, -0.025)
-0.158
(-0.329, 0.012)
API*** -0.004
(-0.007, 0.002)
0.008
(-0.011, 0.026)
-0.012
(-0.027, -0.004)
-0.006
(-0.018, 0.006)
0.007
(-0.013, 0.027)
0.001
(0.002, 0.004)
Innovator 0.662**
(0.451, 0.873)
0.571**
(0.411, 0.730)
0.148*
(0.051, 0.245)
-0.714**
(-0.989, -0.438)
-0.793
(-1.789, 0.204)
0.274**
(-0.138, 0.410)
CHAI++ -0.143*
(-0.274, -0.012)
-0.499
(-1.099, 0.102)
-0.550*
(-0.982, -0.117)
-0.279*
(-0.499, 0.060)
-0.666**
(-1.098, -0.235)
-0.193
(-0.582, 0.197)
PEPFAR+++ 0.054
(-0.049, 0.157)
0.046
(-0.265, 0.358)
0.347
(0.092, 0.785)
0.486*
(0.091, 0.880)
-0.118*
(-0.233, 0.002)
0.084
(-0.040, 0.209)
R-square 0.578 0.455 0.481 0.269 0.221 0.408
Observations 793 492 397 484 309 489
  1. Linear regression models whether the dependent variable is the logarithm of price. The reference categories are: HIV Prevalence <2%; Low income countries; Volume 1st tercile
  2. * significant at 5%; ** significant at 1%; Robust 95% confidence intervals in parentheses; ***API = AIDS Program Index; +Abbreviation of the ARV drugs: ABC = abacavir; ddl = didanosine; LPV/r = lopinavir/ritonavir; RTV = ritonavir; TDV = tenofovir; ++CHAI = Clinton Foundation HIV/AIDS initiative; +++PEPFAR = President's Emergency Plan for AIDS Relief
  3. Data source: Global Price Reporting Mechanism 2005 to 2008