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Identifying risk factors for developing obesity: a record linkage longitudinal study in metropolitan Sydney using the
Kylie Vuong1,2, Alamgir Kabir3, Damian P Conway4,5
1School of Medicine and Dentistry, Griffith University, Queensland, Australia.
Family Practice
|March 13, 2024
Summary
Identifying obesity risk factors in adults over 45 is crucial. Smoking, physical limitations, and allied health use increase obesity risk, while alcohol and physical activity may offer protection.
Area of Science:
- Obesity research
- Preventive medicine
- Public health
Background:
- Primary care plays a vital role in obesity prevention and management.
- Understanding risk factors for obesity is essential for targeted interventions.
Purpose of the Study:
- To identify risk factors associated with developing obesity in individuals aged 45 years and older.
- To differentiate risk factors based on baseline weight status (healthy weight vs. overweight).
Main Methods:
- Longitudinal record linkage study in metropolitan Sydney, Australia.
- Utilized data from the 45 and Up Study, Medicare claims, Pharmaceutical Benefits Scheme, and deaths registry.
- Examined risk factors for developing obesity (BMI 30-40) at follow-up in healthy weight (BMI 18.5-25) and overweight (BMI 25-30) baseline groups, using Poisson regression.
Main Results:
- 1.1% of healthy weight and 12.7% of overweight individuals developed obesity.
- Common risk factors included current smoking, physical functioning limitations, and allied health team care planning.
- Protective factors were alcohol consumption and adequate physical activity.
- Specific risks for healthy weight group: high psychological distress, antiepileptic use.
- Specific risks for overweight group: female sex, full-time work; older age was protective.
Conclusions:
- Findings can guide the development of targeted preventive strategies for obesity in clinical practice.
- Informs public health programs aimed at obesity prevention in older adults.
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