Table 3 Sample characteristics

Average age of mother (years)

31 ± 4

30 ± 5

Average age of infant at start of trial (days)

61 ± 30

47 ± 24

Mother's education (%)

Year 10 or less

7

6

Year 12

10

11

ns

Post highschool qual.

22

21

University

61

63

Don't want to say

1

0

Income (%)

Less than $25 000 (AUD)

5

1

$25-50 000

12

8

0.03

$50-100 000

40

37

Over $100 000

35

40

Don't know or don't want to say

7

13

Index of advantage (decile)

High advantage =7-10

47

52

ns

Med advantage =4-6

36

23

Low advantage =1-3

17

24

Rural/remote score

1 (major city, highly accessible)

61

58

ns

2 (inner regional, accessible)

17

16

3 (outer regional, mod. accessible)

14

19

4 (remote, remote)

4

7

5 (very remote, very remote)

4

0

Relationship status

95

98

ns

Married - Yes

C-Section (including elective and emergency)

33

31

ns

Yes

Member of the Australian Breastfeeding Association

45

25

Yes