Table 2

Results of Poisson Regression model for estimating the PRR (its 95% CI) between south and north region, and urban and rural areas of China
Anencephaly Spina bifid Encephalocel NTDs
South Urban 1 1 1 1
Rural 1.53 (1.30-1.81) 1.40 (1.14-1.73) 1.42 (1.07-1.90) 1.47 (1.31-1.66)
North Urban 1 1 1 1
Rural 2.10 (1.81-2.43) 2.29 (2.01-2.60) 1.80 (1.42-2.28) 2.14 (1.96-2.34)
Urban South 1 1 1 1
North 1.15 (0.99-1.34) 2.28 (1.93-2.69) 1.39 (1.08-1.77) 1.56 (1.41-1.72)
Rural South 1 1 1 1
North 1.58 (1.35-1.84) 3.71 (3.10-4.45) 1.76 (1.34-2.31) 2.26 (2.04-2.52)
Urban 1 1 1 1
Rural 1.82 (1.63-2.04) 2.00 (1.71-2.24) 1.64 (1.36-1.97) 1.87 (1.74-2.01)
South 1 1 1 1
North 1.35 (1.21-1.50) 2.89 (2.56-3.26) 1.54 (1.29-1.85) 1.87 (1.74-2.01)

Li et al.

Li et al. BMC Public Health 2013 13:161   doi:10.1186/1471-2458-13-161

Open Data