Table 1

Baseline characteristics of the HeLP-her intervention by group assignment

Variable

Intervention group

(n = 127)

Control group

(n = 123)

P valuea


Age at baseline, mean (SD), yr

40.6 (4.8)

40.3 (4.8)

0.62

Height Mean (SD), cm

163.1 (6.0)

162.9 (5.6)

0.78

Weight, kg

Weight Range, kg

73.2 (13.8)

46.3 to 115.6

74.6 (16.1)

44.6 to 129.6

0.45

BMI Mean,(SD)b kg/m2

27.5 (5.1)

28.1(5.8)

0.40

Hip, cm

106.6 (11.0)

108.1(11.8)

0.29

No. of children, mean, (SD)

2.3 (0.7)

2.4 (0.8)

0.23

Waist circumference mean, (SD), cm

94.8 (12.6)

96.8 (14.6)

0.24

Energy intake (kJ/day)d

6648 (2204)

6830 (2361)

0.55

Energy expenditure Met-mins/weeke

1504 (1657)

1653 (452)

0.52

Highest Education

Up to year 10 n (%)

25 (21.0)

36 (30.3)

Year 12

25 (21.0)

26 (21.9)

0.31

Trade or certificate

33 (27.7)

24 (20.2)

University or higher

36 (30.3)

33 (27.7)

Income ($ AUD)c

< 40,000

22 (18.8)

27 (22.8)

40–60,000

26 (22.2)

18 (15.2)

0.08

60–80,000

20 (17.0)

26 (22.0)

> 80,000

31 (26.4)

33 (27.9)

No answer

18 (15.3)

14 (11.8)

Employment (%)

Not working

46 (40.3)

49 (41.1)

Part time

61 (53.5)

63 (52.9)

0.99

Full time

7 (6.1)

7 (5.8)


Abbreviations, MET-mins/week = MET level × minutes per day × days per week, where 1 MET is equivalent to resting energy expenditure (MET level, walking, 3.3, moderate 4.0 and vigorous 8.0)

a P values from 2-sample t tests for continuous variables or from chi2 tests for categorical variables

b Body mass index, measured as weight in kilograms divided by height in meters squared

c Numbers may vary due to missing values or incorrectly completed surveys as participants were given a 'prefer not to answer' option for income.

d n = 110 intervention and n = 106 controls correctly completed food frequency questionnaires

e n = 89 intervention and n = 89 controls correctly completed IPAQ activity questionnaires

Lombard et al. Nutrition Journal 2009 8:17   doi:10.1186/1475-2891-8-17

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