Dataset Information

The impact of obesity on drug prescribing in primary care.

ABSTRACT:

Background

Healthcare costs attributable to obesity have previously involved estimations based on costs of diseases commonly considered as having obesity as an underlying factor.

Aim

To quantify the impact of obesity on total primary care drug prescribing.

Design of study

Review of computer generated and handwritten prescriptions to determine total prescribing volume for all drug classes.

Setting

Twenty-three general practice surgeries in the UK.

Method

Stratified random selection of 1150 patients who were obese (body mass index [BMI]>30 kg/m(2)) and 1150 age and sex-matched controls of normal weight (BMI 18.5-<25 kg/m(2)). Retrospective review of medical records over an 18-month period.

Results

A higher percentage of patients who were obese, compared with those of normal weight, were prescribed at least one drug in the following disease categories: cardiovascular (36% versus 20%), central nervous system (46% versus 35%), endocrine (26% versus 18%), and musculoskeletal and joint disease (30% versus 22%). All of these categories had a P-value of <0.001. Other categories, such as gastrointestinal (24% versus 18%), infections (42% versus 35%), skin (24% versus 19%) had a P-value of <0.01, while respiratory diseases (18% versus 21%) had a P-value of <0.05. Total prescribing volume was significantly higher for the group with obesity and was increased in the region of two- to fourfold in a wide range of prescribing categories: ulcer healing drugs, lipid regulators, beta-adrenoreceptor drugs, drugs affecting the rennin angiotensin system, calcium channel blockers, antibacterial drugs, sulphonylureas, biguanides, non-steroidal anti-inflammatories (NSAIDs) (P<0.001) and fibrates, angiotensin II antagonists, and thyroid drugs (P<0.05). The main impact on prescribing volumes is from numbers of patients treated, although in some areas there is an effect from greater dosage or longer treatment in those who are obese including calcium channel blockers, antihistamines, hypnotics, drugs used in the treatment of nausea and vertigo, biguanides, and NSAIDs (P<0.05) reflected in significantly increased defined daily dose prescribing.

Conclusions

This large study of contemporary practice indicates that obesity more than doubled prescribing in most drug categories.

SUBMITTER: Counterweight Project Team

PROVIDER: S-EPMC1562331 | biostudies-literature | 2005 Oct

REPOSITORIES: biostudies-literature

ACCESS DATA

Publications

The impact of obesity on drug prescribing in primary care.

The British journal of general practice : the journal of the Royal College of General Practitioners 20051001 519

<h4>Background</h4>Healthcare costs attributable to obesity have previously involved estimations based on costs of diseases commonly considered as having obesity as an underlying factor.<h4>Aim</h4>To quantify the impact of obesity on total primary care drug prescribing.<h4>Design of study</h4>Review of computer generated and handwritten prescriptions to determine total prescribing volume for all drug classes.<h4>Setting</h4>Twenty-three general practice surgeries in the UK.<h4>Method</h4>Strati ...[more]

PMID: 16212848

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Dataset Information

The impact of obesity on drug prescribing in primary care.

Background

Aim

Design of study

Setting

Method

Results

Conclusions

Publications

The impact of obesity on drug prescribing in primary care.

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