Skip to main content

Table 1 Probability of finding a tracer medicine in a sample outlet, by rural and urban location, 2006 and 2009 (40 medicines)

From: Local production of pharmaceuticals in Africa and access to essential medicines: 'urban bias’ in access to imported medicines in Tanzania and its policy implications

Location 2006 2009
Probability Standard error Sample size Probability Standard error Sample size
Rural 0.40 0.0113 1880 0.42 0.011 1880
Urban 0.64 0.0112 1840 0.60 0.012 1800
Difference -0.24 0.0159   -0.18 0.016  
Two sample test of proportions: z-test = -14.6 z-test = -11.1
H0 : Prural = Purban Pr(|Z| < |z|) = 0.0000 Pr(|Z| < |z|) = 0.0000
Ha : Prural ≠ Purban Null-hypothesis is rejected Null-hypothesis is rejected