Factors | Unadjusted modela | Adjusted modelb | ||
---|---|---|---|---|
Risk ratio (95% CI) | P Value | Risk ratio (95% CI) | P Value | |
Proportion of pregnant women at high risk (%) | 0.97 (0.94,0.99) | 0.001* | 0.99 (0.98,1.00) | 0.002* |
Region | ||||
Eastern | 1 (Reference) | - | 1 (Reference) | - |
Central | 1.61 (1.22,2.13) | 0.001* | 1.33 (1.13,1.57) | 0.001* |
Western | 3.67 (2.02,6.67) | < 0.001* | 1.37 (1.14,1.65) | 0.001* |
Year | 0.92 (0.91,0.93) | < 0.001* | 0.97 (0.95,1.00) | 0.035* |
Proportion of female illiterates aged 15 years or over (%) | 1.01 (0.99,1.03) | 0.263 | 1.01 (1.00,1.02) | 0.114 |
Proportion of ethnic minorities (%) | 1.03 (1.02,1.03) | < 0.001* | 1.01 (1.01,1.02) | < 0.001* |
Length of highways (1000 km) | 0.93 (0.90,0.96) | < 0.001* | 0.94 (0.90,0.98) | 0.005* |
Crude birth rates (%) | 1.03 (1.01,1.06) | 0.016* | 0.98 (0.95,1.01) | 0.188 |
GDP per capita (10 000 RMB) | 0.92 (0.87,0.97) | 0.004* | 0.91 (0.86,0.97) | 0.004* |
Number of licensed doctors and nurses per 1000 population | 1.02 (1.00,1.05) | 0.053 | 1.04 (0.98,1.09) | 0.196 |
Number of beds of gynecology, obstetrics, and pediatrics per 1000 livebirths | 1.00 (1.00,1.00) | 0.674 | 1.00 (1.00,1.00) | 0.791 |
Government health expenditures per capita (1000 RMB) | 1.14 (0.83,1.57) | 0.43 | 1.06 (0.84,1.34) | 0.609 |
Proportion of maternal systematic management (%) | 1.00 (0.99,1.01) | 0.656 | 1.00 (0.99,1.00) | 0.504 |
Hospital delivery rate (%) | 0.98 (0.96,0.99) | 0.008* | 0.99 (0.98,1.00) | 0.002* |
Proportion of skilled birth attendance and sterile delivery (%) | 0.99 (0.93,1.06) | 0.734 | 1.00 (0.99,1.00) | 0.733 |