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. 2014 Oct 14;4(10):e005935. doi: 10.1136/bmjopen-2014-005935

Table 2.

Differences in gestational age for spontaneous and provider-initiated start of birth and birth weight for non-exposed women and women exposed to mild, moderate or severe sexual violence

N=76 870
(%)
Mean Crude estimate
β (95% CI)
Adjusted estimate
β (95% CI)*
Gestational age
No sexual violence 62 699 (81.6) 279.7 days 1 1
Mild sexual violence 9263 (12.1)
 Spontaneous start 7323 (11.5) 279.9 days 0.09 (−0.16 to 0.33) 0.22 (−0.04 to −0.48)
 Provider-initiated start 1940 (12.5) 280.3 days 0.36 (−0.37 to 1.08) 0.64 (−0.11 to 1.39)
Moderate sexual violence 2162 (2.8)
 Spontaneous start 1670 (2.7) 279.3 days −0.40 (−0.87 to 0.06) −0.28 (−0.78 to 0.21)
 Provider-initiated start 492 (3.2) 277.6 days −2.13 (−3.41 to −0.84) −2.02 (−3.39 to −0.67)
Severe sexual violence 2746 (3.6)
 Spontaneous start 2048 (3.3) 278.7 days −0.91 (−1.37 to −0.44) −0.65 (−1.15 to −0.16)
 Provider-initiated start 698 (4.5) 277.5 days −2.24 (−3.47 to −1.01) −1.92 (−3.22 to −0.62)
Birth weight
No sexual violence 62 699 (81.6) 3594 g 1 1
Mild sexual violence 9263 (12.1) 3597 g 2.03 (−9.26 to 13.32) 0.04 (−9.16 to 9.23)†
Moderate sexual violence 2162 (2.8) 3582 g −13.61 (−34.74 to 7.51) 6.11 (−11.30 to 23.52)†
Severe sexual violence 2746 (3.6) 3556 g −38.33 (−59.17 to −17.49) −0.76 (−18.05 to 16.53)†

*Adjusted for maternal age, parity, education, smoking, body mass index and mental distress.

†Additional adjustment for gestational age.