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Table 1 General Characteristics of the Participants Included in the Validation Study

From: Prevalence of fermented foods in the Dutch adult diet and validation of a food frequency questionnaire for estimating their intake in the NQplus cohort

 

All (n = 809)

Men (n = 425)

Women (n = 384)

Age, years

53.1 ± 11.9

55.5 ± 11.0

50.4 ± 12.2

BMI, kg/m2

25.6 ± 3.8

26.1 ± 3.3

25.0 ± 4.2

BMI category

 < 25 kg/m2

387 (48)

165 (39)

222 (58)

 ≥ 25 kg/m2

421 (52)

259 (61)

162 (42)

Waist circumference, cm

90.7 ± 12.0

95.9 ± 10.3

84.8 ± 11.1

Education, n (%)

 Low

54 (7)

31 (7)

23 (6)

 Intermediate

223 (28)

109 (26)

114 (30)

 High

529 (65)

285 (67)

244 (64)

Smoking status, n (%)

 Never

364 (52)

170 (45)

194 (60)

 Former

270 (39)

163 (44)

107 (33)

 Current

65 (9)

41 (11)

24 (7)

Disease history, n (%)

 Cancer

44 (5)

17 (4)

27 (7)

 Diabetes

21 (3)

15 (4)

6 (2)

 Heart attack

16 (2)

12 (3)

4 (1)

 Hypertension

179 (22)

101 (24)

78 (20)

 High cholesterol

147 (18)

92 (22)

55 (14)

 Stroke

9 (1)

8 (2)

1 (0)

Diet during month preceding study, n (%)

 No

749 (93)

402 (94)

347 (91)

 Yes, always

28 (3)

8 (2)

20 (5)

 Yes, sometimes

31 (4)

15 (4)

16 (4)

Energy, kcal/day

 FFQ

2143.7 ± 504.8

2344.6 ± 509.7

1921.3 ± 394.5

 24-h Recalla

2129.2 ± 444.2

2315.2 ± 451.2

1923.4 ± 331.5

Protein, g/day

 FFQ

77.4 ± 17.7

83.4 ± 17.7

70.7 ± 15.1

 24-h Recalla

82.6 ± 18.4

89.8 ± 18.6

74.6 ± 14.5

Fat, g/day

 FFQ

85.4 ± 25.9

93.1 ± 27.1

76.9 ± 21.6

 24-h Recalla

81.6 ± 21.7

87.7 ± 22.8

74.7 ± 18.1

Carbohydrates, g/day

 FFQ

231.6 ± 61.1

251.7 ± 63.5

209.4 ± 49.6

 24-h Recalla

230.8 ± 58.0

249.1 ± 62.2

210.5 ± 44.8

Fibre, g/day

 FFQ

25.0 ± 6.8

26.1 ± 7.3

23.8 ± 5.9

 24-h Recalla

23.4 ± 6.8

24.5 ± 7.1

22.1 ± 6.2

  1. BMI Body mass index, FFQ Food frequency questionnaire, SD Standard deviation
  2. Values are presented as mean ± SD, unless otherwise specified. Missing values: BMI (n = 1), waist circumference (n = 1), education (n = 3), smoking status (n = 110), diet during last month (n = 1)
  3. aMean of multiple 24-h recalls