Table 1.

Prevalence of self-reported domestic violence and birth outcomes by study factor

	Post-natal depression			Low birth weight			Gestational age
	Cases	Participants	%	Cases	Participants	%	Case	Participants	%
Total	1272	40,558	3.1	3075	52,419	5.9	7213	52,163	13.8
Physical abuse by partner
No	826	28,596	2.9	1627	35,865	4.5	4311	35,696	12.1
Yes	33	477	6.9	41	628	6.5	84	622	13.5
Frightened of partner
No	822	28,679	2.9	1631	35,996	4.5	4314	35,823	12.0
Yes	37	394	9.4	37	497	7.4	81	495	16.4
Ante-natal depressive symptom
No	594	27,361	2.2	1524	34,381	4.4	4096	34,213	12.0
Yes	265	1712	15.5	144	2112	6.8	299	2105	14.2
Maternal age-group
< 20 years	787	27,128	2.9	1516	34,018	4.5	4013	33,859	11.9
20–39 years	60	1497	4.0	112	1911	5.9	299	1901	15.7
> 40 years	12	448	2.7	40	564	7.1	83	558	14.9
SES category
High	394	11,411	3.5	713	14,770	4.8	1765	14,692	12.0
Middle	380	14,370	2.6	794	17,478	4.5	2130	17,395	12.2
Low	85	3292	2.6	161	4245	3.8	500	4231	11.8
Australian-born
No	342	13,734	2.5	748	17,014	4.4	2042	16,913	12.1
Yes	517	15,339	3.4	920	19,479	4.7	2353	19,405	12.1
BMI category
Underweight	458	15,965	2.9	938	20,021	4.7	2291	19,949	11.5
Normal Weight	50	1711	2.9	168	2176	7.7	300	2160	13.9
Overweight	220	6687	3.3	329	8357	3.9	995	8306	12.0
Obese	131	4710	2.8	233	5939	3.9	809	5903	13.7
Ante-natal problems
No	704	24,699	2.9	1300	30,801	4.2	3510	30,646	11.5
Yes	155	4374	3.5	368	5692	6.5	885	5672	15.6
Intervention at birth
No	722	25,471	2.8	1122	31,943	3.5	3408	31,788	10.7
Yes	137	3602	3.8	546	4550	12.0	987	4530	21.8
Alcohol consumption
No	850	28,622	3.0	1648	35,919	4.6	4325	35,745	12.1
Yes	9	451	2.0	20	574	3.5	70	573	12.2
Smoking
No	486	27,018	1.8	1431	33,679	4.2	3962	33,521	11.8
Yes	73	2055	3.6	237	2814	8.4	433	2797	15.5