Table 3 |
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|
Poisson regression analyses of average annual percent change in research production by Africa subregions. |
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| Model 1 (1996 – 2005) |
Model 2 (1996 – 2000) |
Model 3 (2001 – 2006) |
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|
|
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| β (SE) |
AAPC |
P-value |
β (SE) |
AAPC |
P-value |
β (SE) |
AAPC |
P-value |
|
|
|
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| Eastern Africa |
0.05 (0.004) |
4.6 |
<0.001 |
-0.10 (0.013) |
-0.9 |
0.474 |
0.04 (0.011) |
3.9 |
0.001 |
| Middle Africa |
0.14 (0.110) |
14.8 |
<0.001 |
0.13 (0.037) |
13.6 |
0.001 |
0.15 (0.027) |
15.8 |
<0.001 |
| Northern Africa |
0.12 (0.004) |
12.8 |
<0.001 |
0.12 (0.013) |
12.3 |
<0.001 |
0.10 (0.010) |
10.7 |
<0.001 |
| Southern Africa |
0.06 (0.003) |
6.5 |
<0.001 |
0.08 (0.010) |
7.8 |
<0.001 |
0.06 (0.009) |
6.2 |
<0.001 |
| Western Africa |
0.10 (0.004) |
10.1 |
<0.001 |
0.14 (0.012) |
15.3 |
<0.001 |
0.08 (0.010) |
8.8 |
<0.001 |
| All |
0.08 (0.002) |
8.7 |
<0.001 |
0.08 (0.006) |
8.7 |
<0.001 |
0.08 (0.005) |
7.9 |
<0.001 |
|
|
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|
β indicates regression coefficient (trend); SE standard error of β, AAPC average annual percentage change |
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|
Uthman and Uthman International Journal of Health Geographics 2007 6:46 doi:10.1186/1476-072X-6-46 |
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