Table 1

Baseline characteristics of participants of the Leiden Longevity Study providing FFQ data
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)

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.

Streppel et al.

Streppel et al. Nutrition Journal 2013 12:75   doi:10.1186/1475-2891-12-75

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