Table 1

Characteristics of the study population
Pregnant women nā€‰=ā€‰15,123 Non-pregnant women nā€‰=ā€‰102,564
Age (mean/SD) 30.6 (4.9) 31.1 (9.6)
SES (%)a High 20.4 14.6
Middle 46.4 55.0
Low 32.7 29.8
Urbanisation (%)b Very rural 49.0 48.8
Intermediate urban/rural 23.3 21.8
Very urban 27.2 28.9

a Missing: 0.5% (pregnant women), 0.6% (non-pregnant women).

b Missing: 0.5% (pregnant women), 0.5% (non-pregnant women).

Feijen-de Jong et al.

Feijen-de Jong et al. BMC Family Practice 2013 14:10   doi:10.1186/1471-2296-14-10

Open Data