Table 1 Characteristics of overall sample and by country

n (n of females)

2369 (1534)

343 (231)

262 (180)

238 (145)

253 (190)

634 (386)

241 (171)

Age (years)

40 ± 13

44 ± 14

38 ± 12

39 ± 13

36 ± 13

38 ± 10

37 ± 13

 Asian

11 (0.5%)

–

–

–

–

–

8 (3.3%)

 Black

2 (0.1%)

2 (0.6%)

–

–

–

–

–

 Mixed

30 (1.3%)

5 (1.5%)

–

4 (1.7%)

–

8 (1.3%)

8 (3.3%)

 Chinese

1 (0.0%)

–

–

–

–

–

1 (0.4%)

 White

2305 (97.3%)

332 (96.8%)

260 (99.2%)

234 (98.3%)

253 (100.0%)

624 (98.4%)

217 (90.0%)

 Other

20 (0.8%)

4 (1.2%)

2 (0.8%)

–

–

2 (0.3%)

7 (2.9%)

BMI (kg/m²)

25.2 ± 4.7

24.3 ± 3.7

26.6 ± 5.8

25.4 ± 4.7

24.6 ± 4.8

25.7 ± 4.8

24.9 ± 4.7

 Under-weight

56 (2.4%)

8 (2.3%)

5 (1.9%)

8 (3.4%)

11 (4.4%)

11 (1.7%)

3 (1.2%)

 Normal weight

1247 (52.6%)

206 (60.1%)

115 (43.9%)

123 (51.7%)

139 (54.9%)

308 (48.6%)

142 (58.9%)

 Overweight

743 (30.8%)

97 (28.3%)

90 (34.4%)

65 (27.3%)

68 (26.9%)

213 (33.6%)

71 (29.5%)

 Obese

334 (14.1%)

32 (9.3%)

52 (19.9%)

42 (17.7%)

35 (13.8%)

102 (16.1%)

25 (10.4%)

Energy intake reported (kcal)

2633 ± 775

2509 ± 678

2519 ± 744

2779 ± 772

2593 ± 779

2674 ± 816

2571 ± 805

Physical activity level (AU)

1.51 ± 0.10

1.50 ± 0.08

1.50 ± 0.11

1.53 ± 0.09

1.50 ± 0.11

1.50 ± 0.10

1.54 ± 0.11

 Non-smoker

1411 (59.6%)

201 (58.6%)

132 (50.4%)

164 (68.9%)

(50.8%)

197 (77.9%)

328 (51.7%)

187 (77.6%)

 Ex-smoker

671 (28.3%)

112 (32.7%)

53 (20.2%)

57 (24.0%)

(42.5%)

38 (15.0%)

200 (31.6%)

42 (17.4%)

 Current smoker

287 (12.1%)

30 (8.8%)

77 (29.4%)

17 (7.1%)

(6.8%)

18 (7.1%)

106 (16.7%)

12 (5.0%)