Table 4.
Probability of finding a medicine manufactured outside Tanzania or Kenya in a sample outlet, by rural and urban location, 2006 and 2009 (40 medicines)
| Location |
2006 |
2009 |
||||
|---|---|---|---|---|---|---|
| Probability | Standard error | Sample size | Probability | Standard error | Sample size | |
|
Rural |
0.163 |
0.0085 |
1880 |
0.251 |
0.0100 |
1880 |
|
Urban |
0.375 |
0.0113 |
1840 |
0.412 |
0.0116 |
1800 |
|
Difference
|
-0.212 |
0.014 |
|
-0.160 |
0.0160 |
|
|
Two sample test of proportions: |
z-test = -14.575 |
z-test = -10.324 |
||||
| H0 : Prural = Purban |
Pr(|Z| < |z|) = 0.0000 |
Pr(|Z| < |z|) = 0.0000 |
||||
| Ha : Prural ≠ Purban | Null-hypothesis is rejected | Null-hypothesis is rejected | ||||