Table 3

Meta-regression results

Population-based data sets (N = 63)

Full Model

Predictor
Relative odds (95% CI)
p-value

Development status (dev vs. less/least dev)
0.46 (0.34, 0.62)
<0.001
Source (journal vs. non-journal)
1.01 (0.65, 1.58)
0.966
Language (English vs. non-English)
0.76 (0.51, 1.13)
0.169
Numerator definition (all vs. late)
1.08 (0.75, 1.54)
0.686
Denominator definition (live birth vs. other)
0.71 (0.37, 1.34)
0.281
Quality (adequate vs. inadequate)
0.71 (0.49, 1.03)
0.067
Scope (national vs. sub-national)
0.97 (0.63, 1.47)
0.868
Model R2 = 0.527

Final Model

Development status (dev vs. less/least dev)
0.43 (0.33 ; 0.57)
<0.001
Quality (adequate vs. inadequate)
0.73 (0.56 ; 0.94)
0.015
Model R2 = 0.524

Combined data sets (Population and facility-based) (N = 80)

Full Model

Development status (dev vs. less/least dev)
0.45 (0.34, 0.58)
<0.001
Source (journal vs. non-journal)
1.00 (0.75, 1.31)
0.973
Language (English vs. non-English)
0.76 (0.54, 1.05)
0.092
Numerator definition (all vs. late)
1.07 (0.77, 1.47)
0.690
Denominator definition (live birth vs. other)
0.71 (0.43, 1.19)
0.189
Quality (adequate vs. inadequate)
0.70 (0.50, 0.97)
0.033
Population vs. facility-based
0.50 (0.38, 0.78)
0.001
Model R2 = 0.638

Final Model

Development status (dev vs. less/least dev)
0.43 (0.33, 0.55)
<0.001
Quality (adequate vs. inadequate)
0.73 (0.58, 0.92)
0.007
Population vs. facility-based
0.54 (0.39, 0.73)
<0.001
Model R2 = 0.621

Say et al. Reproductive Health 2006 3:1   doi:10.1186/1742-4755-3-1