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Longitudinal nutritional changes in aging Australian women.
Edward Hill1,2, Allison Hodge3,4, Peter Clifton5
1Centre for Medical Research, Department of Medicine-Royal Melbourne Hospital, University of Melbourne,Victoria, Australia.
Asia Pacific Journal of Clinical Nutrition
|March 22, 2019
Summary
Dietary patterns worsened in Australian women over 14 years, with decreased energy and carbohydrate intake but increased fat intake. Adherence to the Mediterranean Diet declined, indicating poorer overall diet quality in aging women.
Area of Science:
- Nutrition Science
- Gerontology
- Epidemiology
Background:
- Diet significantly impacts health during aging.
- Dietary patterns and nutrient intake are key factors in disease burden.
- Understanding dietary changes in aging populations is crucial for public health.
Purpose of the Study:
- To investigate prospective changes in dietary patterns and nutrient intakes.
- To analyze diet over a 14-year period in mid to late-life women.
- To assess shifts in diet quality and adherence to healthy eating patterns.
Main Methods:
- Longitudinal cohort study (Women's Healthy Ageing Project).
- 173 Australian women aged 51-76 years (1998-2012).
- Dietary assessment using validated questionnaires; calculation of nutrient intakes, Mediterranean Diet (MD) scores, and Dietary Inflammatory Index (DII®).
Main Results:
- Significant decrease in energy intake (p<0.005).
- Increased energy-adjusted intakes of total fat, saturated fat, monounsaturated fat, and cholesterol (all p<0.002).
- Decreased energy-adjusted and absolute carbohydrate intake (p<0.002) and reduced adherence to the MD (p<0.001).
Conclusions:
- Significant dietary shifts observed in aging Australian women over 14 years.
- Changes indicated a trend towards poorer overall diet quality.
- Findings highlight the need for targeted nutritional interventions for older women.
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