Table 1 Participant characteristics

Sex

 Male

44

31

 Female

96

69

Age, mean (SD)

40.7 (14.1), range 18–71

Ethnicity

 White–British

115

82

 Non-white

25

18

Education (highest qualification)

 No qualifications

1

< 1

 Up to 4 GCSEs

10

7

 5 or more GCSEs or 1 A-level

16

12

 2 or more A-levels

30

22

 Bachelor’s degree

40

29

 Post-Graduate degree or qualification

42

30

 Missing

1

BMI (grouped)

 Underweight (under 18.5)

4

3

 Healthy weight (18.5–24.9)

66

51

 Overweight (25–29.9)

36

28

 Obese (30–34.9)

18

14

 Severely obese (35–39.9)

2

2

 Morbidly obese (40+)

3

2

 Prefer not to say

5

 Missing

6

BMI, mean (SD)

25.6 (6.6), range 16–65

Study completed first

 Study 1

67

48

 Study 2

73

52