Table 1 Characteristics of randomised participants (n = 76)

Mean Age (SD)

28.9

(6.8)

28.1

(5.9)

IMD (%)

 Quartile 1(least deprived)

7

(19.4)

8

(20.0)

 Quartile 2

8

(22.2)

5

(12.5)

 Quartile 3

8

(22.2)

15

(37.5)

 Quartile 4 (most deprived)

13

(36.1)

12

(30.0)

Smoked (%)

12

(33.3)

9

(22.5)

 Not known

2

(5.6)

3

(7.5)

White ethnicity (%)

33

(91.7)

34

(85.0)

BMI category (%)

 Healthy weight (BMI 18.5–24.9)

20

(55.6)

23

(57.5)

 Overweight (BMI 25.0–29.9)

16

(44.4)

17

(42.5)

Previous children (%)

 None

10

(27.8)

25

(62.5)

 One or More

26

(72.2)

15

(37.5)

Marital status (%)

 Married

15

(41.7)

21

(52.5)

 Single (living alone)

2

(5.6)

2

(5.0)

 Single (living with partner/family)

17

(47.2)

17

(42.5)

 Divorced (living with partner)

1

(2.8)

0

(0.0)

 Not known

1

(2.8)

0

(0.0)

Employment status (%)

 Employed

29

(80.6)

35

(87.5)

 Unemployed

5

(13.9)

3

(7.5)

 Student

1

(2.8)

1

(2.5)

 Looking after family

0

(0.0)

1

(2.5)

 Not known

1

(2.8)

0

(0.0)