Volume 10, Issue 33 (6-2003)
RJMS 2003, 10(33): 111-120 |
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Mirmiran P, Azadbakht L, Mohammadi F, Zahedi-Asl S, Azizi F. CORRELATION OF UNDER AND OVERREPORTING OF ENERGY INTAKE TO BMI AND LIFESTYLE-RELATED FACTORS: TEHRAN LIPID AND GLUCOSE STUDY(TLGS). RJMS 2003; 10 (33) :111-120
URL: http://rjms.iums.ac.ir/article-1-145-en.html
URL: http://rjms.iums.ac.ir/article-1-145-en.html
Abstract: (8307 Views)
Under-and over-reporting of energy intake is one of the well-known problems in dietary intake assessment. This study was conducted to assess the relationship of these factors to body mass index and lifestyle-related factors. Dietary data on 947 pariticipants (415 male and 532 female) of TLGS was collected using two 24-hour recalls by trained interviewers. Weight and height were measured by digital scale and tape meter according to standard protocols and recorded to the nearest 100gr and 1cm, respectively. Basal metabolic rate (BMR) was calculated. Under-normal-and over-reporting of energy intake was defined as EI: BMR<1.35, 1.35-2.39 AND >2.4, respectively. Means (±SD) of age were 37.3(±14.6) and 32.9(±13.6) for men and women, respectively. Men had higher EI: BMR than women (1.72±0.44 VS. 1.27±0.44, P<0.001). EI and EI: BMR were highest in the youngest age groups in both sexes. The prevalence of under-and over-reporting were %31 and %5, respectively. Fewer men than women underreported EI(%40 VS %19, P<0.001). The fraction of over-reporters was significantly higher in men than women (%7 VS. %3, P<0.05). EI: BMR was decreased with age. Under-reporters were older and had higher BMI than normal-reporters but their educational level did not differ significantly. Over-reporters were younger and had lower BMI than normal-reporters but their educational level did not differ significantly. Most of over-reporters had normal BMI. Smoking was more prevalent in over-reporters than normal ones (%28 VS %19 in men and %6 VS. 1% in women, P< 0.01). The results showed a high prevalence of misreporting of energy intake in our country and this phenomenon is related to age, obesity and smoking habits. These findings must be kept in mind in dietary assessments.
Type of Study: Research |
Subject:
Endocrinology & Metabolism
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