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Under-reporting of energy intake in elderly Australian women is associated with a higher body mass index
Journal article   Peer reviewed

Under-reporting of energy intake in elderly Australian women is associated with a higher body mass index

X. Meng, D.A. Kerr, K. Zhu, A. Devine, V.A. Solah, J. Wright, C.W. Binns and R.L. Prince
The Journal of Nutrition, Health & Aging, Vol.17(2), pp.112-118
2013
DOI: https://doi.org/10.1007/s12603-012-0382-8
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Abstract

Objectives Identify the extent of under-reporting of energy intake and the characteristics associated with implausible intakes in elderly women. Design Dietary intake was assessed using a 3-day weighed food record. Protein intake was validated by 24-hour urinary nitrogen. To examine under-reporting, participants were grouped according to their energy intake and compared to the Goldberg cut-off equation. Logistic regression was performed to assess the influence of body mass index (BMI) and social-demographic factors on under-reporting. Setting Community dwelling elderly women from Perth, Western Australia. Participants 217 elderly women aged 70–80 years. Results Under-reporters had a higher physical activity level (p<0.001) compared with acceptable-reporters. The under-reporters also had a higher body weight (p=0.006), body mass index (BMI) (p=0.001), waist (p=0.011), hip circumference (p<0.001), whole body fat mass (p<0.001) and percentage body fat (p<0.001) than acceptable-reporters. Under-reporters had a significantly lower intakes of protein, fat, carbohydrate and alcohol (p<0.001) and fewer reported food items, compared with acceptable reporters. However, 24-hour urinary nitrogen was only marginally different between the two groups (p=0.053). Participants with a higher BMI were more likely to under-report their energy intake (BMI=25–29.9: odds ratio=2.98[95% CI=1.46–6.09]; BMI≥30: 5.84[2.41–14.14]). Conclusion Under-reporting energy intake in elderly women was associated with a higher BMI, body fat and higher self-reported physical activity levels. A higher BMI (≥25) appears to be most significant factor in determining if elderly women will underreport their food intake and may be related to body image. These results have implications for undertaking surveys of food intake in elderly women.

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18 Record Views
29 Times Cited - Web of Science

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Collaboration types
Domestic collaboration
Citation topics
1 Clinical & Life Sciences
1.44 Nutrition & Dietetics
1.44.29 Nutrition and Obesity
Web Of Science research areas
Geriatrics & Gerontology
Nutrition & Dietetics
ESI research areas
Agricultural Sciences
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