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GP documentation of obesity: what does it achieve?
1Faculty of Health Medicine and Biological Sciences, University of Southampton.
Summary
Patients attending general practice are aware of their obesity and associated health risks. Documenting obesity in primary care may not significantly improve risk assessment or patient knowledge, questioning reimbursement efficiency.
Area of Science:
- Public Health
- General Practice
- Obesity Research
Background:
- Obesity is a growing public health concern in the UK.
- Government initiatives previously reimbursed GPs for documenting obesity.
- Evidence for primary care intervention effectiveness is limited.
Purpose of the Study:
- To evaluate patient perception of obesity and its health risks.
- To determine the accuracy of estimating obesity using patient-provided information.
Main Methods:
- Study included patients attending a single urban general practitioner (GP) practice.
- Measured body mass index (BMI) was calculated from measured weight and height.
- Estimated BMI was derived from patient-reported height and weight; patient perceptions were also recorded.
Main Results:
- Good correlation (intraclass correlation 0.91) exists between estimated and measured BMI.
- Estimated BMI was consistently lower than measured BMI, with differences increasing with age and BMI.
- Obese patients accurately perceived their weight status and associated health risks (70% sensitivity, 99% specificity for estimated obesity).
Conclusions:
- Obese patients in primary care settings are generally aware of their weight status and related health risks.
- Routine obesity measurement in primary care may not substantially enhance risk assessment or patient knowledge.
- Reimbursement for obesity documentation without proven intervention effectiveness represents an inefficient use of resources.