Table 2

Descriptive characteristics: women with DFM before and during the intervention

Characteristics

Women with DFM before the intervention* n = 1215 n (%)†

Women with DFM during the intervention* n = 3038 n (%)†

P


Age, y mean (SD)

29.6 (4.9)

29.6 (5.1)

0.625

BMI, kg/m2

> 25

386 (36)

1014 (37)

0.474

Smoking habits

Smoking

104 (8.8)

259 (8.9)

0.924

Maternal age

> 35

196 (16.3)

528 (17.6)

0.324

Primiparity

559 (51)

1414 (52)

0.490

Parity

Para 0

559 (51)

1414 (52)

0.601

Para 1

372 (34)

878 (33)

Para 2+

163 (15)

409 (15)

Country of origin

Non-western

221 (20)

510 (18)

0.198


* Data are reported as n (%) unless otherwise noted.

† Denominators vary due to missing values

‡ Chi square tests for the difference between proportions within women with DFM before and during the intervention

Tveit et al. BMC Pregnancy and Childbirth 2009 9:32   doi:10.1186/1471-2393-9-32

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