Table 2

Energy intakes calculated from 7-day diaries and food frequency questionnaires in the two groups of infertile women.

Variables

GROUP A1

n = 10

(mean ± sd)

GROUP B2

n = 8

(mean ± sd)


7-day food diary

Energy (kcal/24 h)

1396.1 ± 435.1

1545.4 ± 432.9

Energy intake/BMR

1.10 ± 0.36

1.04 ± 0.29

LERs (% subjects)

60.0

75.0

Food frequency questionnaire

Energy (kcal/24 h)

2010.1 ± 492.1 a

2471.2 ± 676.1 a

Energy intake/BMR

1.58 ± 0.44 b

1.67 ± 0.46 b

LERs (% subjects)

20.0

12.5


Energy intake/BMR: ratio of reported energy intake to basal metabolic rate; LERs = low energy reporters

1 hypothalamic amenorrhea; 2 polycystic ovary syndrome

a p < 0.05 between the mean energy intakes BMR calculated from the two instruments (7-day food diary vs. food frequency questionnaire)

b p < 0.05 between the energy intake/BMR calculated from the two instruments (7-day food diary vs. food frequency questionnaire)

Colombo et al. Nutrition Journal 2009 8:53   doi:10.1186/1475-2891-8-53

Open Data