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Relationships between nutritional knowledge, obesity, and sleep disorder severity
Shiho Rose1,2, Jeffrey Pretto2,3, Christine Paul1,2
1School of Medicine & Public Health, University of Newcastle, Callaghan, NSW, Australia.
Journal of Sleep Research
|February 5, 2016
Summary
Nutritional knowledge in adults with suspected obstructive sleep apnea (OSA) was similar to the general population and not linked to sleep disorder severity or BMI. Older adults showed slightly better food choice knowledge.
Area of Science:
- Sleep Medicine
- Nutritional Science
- Public Health
Background:
- Obstructive sleep apnea (OSA) impacts 20% of adults, with weight management being key.
- Improving nutritional knowledge is a potential strategy for OSA management.
- Understanding the link between nutrition knowledge and OSA factors is crucial.
Purpose of the Study:
- To investigate the relationship between nutritional knowledge and sleep disorder severity, body mass index (BMI), and demographics in individuals with suspected OSA.
- To compare nutrition knowledge scores of OSA patients with the general population.
Main Methods:
- A survey assessing nutrition knowledge was administered to 97 patients referred for diagnostic polysomnography.
- Sleep disorder severity was measured by the apnea-hypopnea index (AHI).
- Anthropometric measurements were collected, and demographic data were recorded.
Main Results:
- A quarter of participants had severe OSA, and 88% were overweight or obese.
- Overall nutrition knowledge scores averaged 58.4 ± 11.6 (out of 93).
- No significant association was found between nutrition knowledge and OSA severity, BMI, or gender. Older participants (≥35 years) had better knowledge in 'food choices' compared to younger ones (18-34 years).
Conclusions:
- Nutrition knowledge alone may not be a primary target for weight control interventions in OSA patients.
- While not a standalone solution, nutrition education could potentially complement other management strategies for sleep disorders.
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