Prescribing may vary by patient factors that are independent of need or disease severity. For example, the variation of use of hormone replacement therapy by socio-economic status independent of need (Evans et al., 1997a). Compliance to labelled medication direction or therapy is a related issue. By assessing how patients collect dispensed medication, in terms of numbers of prescriptions dispensed and intervals between them, and linking to outcome data sets, patient compliance or non-compliance to medication can be studied. For example, a study in diabetes showed that adolescents in Tayside who have "brittle" diabetes are often non-compliant with insulin (Morris et al., 1997b).
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All you need is a proper diet of fresh fruits and vegetables and get plenty of exercise and you'll be fine. Ever heard those words from your doctor? If that's all heshe recommends then you're missing out an important ingredient for health that he's not telling you. Fact is that you can adhere to the strictest diet, watch everything you eat and get the exercise of amarathon runner and still come down with diabetic complications. Diet, exercise and standard drug treatments simply aren't enough to help keep your diabetes under control.