Skip to main content

Table 1 Baseline characteristics of participants of the Leiden Longevity Study providing FFQ data

From: Relative validity of the food frequency questionnaire used to assess dietary intake in the Leiden Longevity Study

  

Subjects with FFQ and 24h recall data

Variable

All subjects

All

Men

Women

N

1630

128

62

66

Offspring, n (%)

1151 (71)

62 (48)

30 (48)

32 (48)

Age, years

62 ± 7

62 ± 6

64 ± 6

61 ± 6

Males, n (%)

709 (44)

62 (48)

61 (100)

0 (0)

Body mass index, kg/m2

25.3 ± 3.5a

25.7 ± 3.4e

26.0 ± 2.7

25.3 ± 4.0

Energy intake to basal metabolic rate ratio

1.32a

1.27e

1.24

1.29

Alcohol use, n (%)

1133 (72)b

95 (74)

51 (82)

44 (67)

Supplement use, n (%)

573 (35)

45 (35)

17 (27)

28 (42)

Prescribed diet, n (%)

189 (12)

15 (12)

7 (11)

8 (12)

Current cigarette smoking, n (%)

193 (12)c

13 (10)f

6 (10)

7 (11)

Medical condition, n (%)

476 (29)d

50 (39)g

26 (42)

24 (36)

Myocardial infarction, n (%)

36 (2)

0 (0)

0 (0)

0 (0)

Cerebrovascular accident, n (%)

40 (3)

2 (2)

1 (2)

1 (2)

Hypertension, n (%)

332 (23)

40 (36)

22 (41)

18 (32)

Diabetes mellitus, n (%)

60 (4)

9 (8)

7 (13)

2 (4)

Cancer, n (%)

122 (7)

10 (8)

5 (8)

5 (8)

  1. a = Data on BMI and EI to BMR ratio were missing for 48 subjects; b= Data on alcohol use were missing for 47 subjects; c = Data on current smoking were missing for 49 subjects; d = Data on MI, cerebrovascular accident, hypertension and diabetes were missing for, respectively, 182, 183, 209 and 198 subjects; e = Data on BMI and EI to BMR ratio were missing for 2 subjects; f = Data on current smoking were missing for one subject; g = Data on cerebrovascular accident, hypertension and diabetes were missing for, respectively, 15, 17 and 20 subjects.