Table 2

Maternal demographics of the 2,032a public and private deliveries that were individually matched on the propensity score
Publicly insured women Privately insured women
(n = 1,016) (n = 1,016) p-valueb
Mean (±SD) Mean (±SD)
Maternal age (years) 30.2 (5.1) 30.3 (5.0) 0.50
n (%) n (%)
Parity (2nd + child) 457 (45.0) 460 (45.3) 0.89
Single/divorced/widowed 59 (5.8) 52 (5.1) 0.49
Indigenous 4 (0.4) 5 (0.5) 0.74
Smoking during pregnancy 153 (15.1) 162 (15.9) 0.58
SE disadvantage 328 (32.3) 323 (31.8) 0.81
Regional/remote residence 222 (21.9) 224 (22.1) 0.91
Diabetes mellitus 6 (0.6) 3 (0.3) 0.32
Previous caesarean 147 (14.5) 146 (14.4) 0.95

a Restricted to singleton, pre-term births (32–36 weeks), in non-tertiary hospitals, resulting in live-born infants without birth defects.

b ttest for means and Chi square test of independence for proportions.

Einarsdóttir et al.

Einarsdóttir et al. BMC Health Services Research 2013 13:40   doi:10.1186/1472-6963-13-40

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