Table 1 Participant characteristics of women responding to questionnaire two months postpartum

Age at booking visit, mean (sd)

31.5

4.4

32.0

4.6

Gestation at booking, mean (sd)

16.2

2.7

16.2

2.9

Expecting first baby

696

70.6

572

69.1

Married/living with partner (972/812)^a

929

95.6

774

95.3

Highest education level (971/808)^a

 Completed degree/diploma

769

79.2

627

77.6

 Completed secondary school

151

15.6

134

16.6

 Did not complete secondary school

51

5.3

47

5.8

Total family income/year (AUD)

  < $33,800 per year

82

8.3

63

7.6

 $33,801 to 51,999 per year

164

16.7

107

12.9

 $52,000 to 72,799 per year

194

19.7

169

20.4

 $72.800-103,999 per year

274

27.9

234

28.3

 $104,000 or more per year

263

26.7

241

29.1

Pension/benefit main family income

24

2.4

25

3.0

Smoked prior to pregnancy

164

16.7

143

17.5

Born in Australia (956/797)^a

577

60.4

502

63.0

English first language

892

79.8

681

82.3