Table 1

Mean (range or SDa) or proportion for selected characteristics of the respondents and the total sample invited to the reproducibility study

Characteristic

Respondents (n = 1488)b

Invited (n = 1994)b


Mean age, years (range)

59.9

(46–75)

59.8

(46–75)

Mean weight, kg (SD)

70.3

(12.0)

70.1

(12.0)

Mean height, cm (SD)

165.8

(5.8)

165.7

(5.7)

Mean BMI, kg/m2 (SD)

25.6

(4.1)

25.5

(4.1)

Mean energy intake, MJ/day (SD)

6.44

(1.87)

6.48

(1.90)

Mean physical activity, scale 1–10 (SD) (1 = very low, 10 = very high)

5.3

(1.8)

5.2

(1.8)

Try to lose weight, %

36

35

Daily smokers, %

23

24

Teetotalers, %

12

13

Take cod liver oil supplements, %

42

41

College or university education, %

37

36

Retired, %

25

24


aStandard deviation

bNumber may not total to 1488 or 1994 for each characteristic due to missing values

Parr et al. Nutrition Journal 2006 5:4   doi:10.1186/1475-2891-5-4

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