Abstract
Background Addiction is associated with medical consequences, due to direct drug effects, poor adherence to health-care recommendations, and poor quality of care. But little is known about how the spectrum of illicit drug use in primary care patients affects quality of medical care measures for chronic conditions. The objectives of this study were to determine the association between drug use (drug, frequency of use, and severity) and quality measures indicating failure to meet criteria for good blood pressure (BP) and blood glucose (BG) control among primary care patients identified by screening as using illicit drugs who also have hypertension and/or diabetes. Materials and methods The study population was adult patients presenting for primary care visits in an urban, safety-net hospital with recent illicit drug use or prescription drug misuse identified by screening and either hypertension or diabetes mellitus. The outcomes were failure to control: a blood pressure (primary), defined as systolic BP of 140 or higher or diastolic BP of 90 or higher, and b) blood glucose (secondary), defined as hemoglobin A1c of 8 percent or higher (National Committee for Quality Assurance (NCQA) and Healthcare Effectiveness Data and Information Set [HEDIS] measures). Main independent variables were: days of drug use in the past month; drug type (i.e., opioid, cocaine, marijuana); and severity of use (Alcohol, Smoking and Substance Involvement Screening Test global drug risk score (tertiles). We fit separate longitudinal logistic regression models for each measure of drug use and each outcome.
Highlights
Addiction is associated with medical consequences, due to direct drug effects, poor adherence to health-care recommendations, and poor quality of care
Little is known about how the spectrum of illicit drug use in primary care patients affects quality of medical care measures for chronic conditions
The objectives of this study were to determine the association between drug use and quality measures indicating failure to meet criteria for good blood pressure (BP) and blood glucose (BG) control among primary care patients identified by screening as using illicit drugs who have hypertension and/or diabetes
Summary
Addiction is associated with medical consequences, due to direct drug effects, poor adherence to health-care recommendations, and poor quality of care. Little is known about how the spectrum of illicit drug use in primary care patients affects quality of medical care measures for chronic conditions. The objectives of this study were to determine the association between drug use (drug, frequency of use, and severity) and quality measures indicating failure to meet criteria for good blood pressure (BP) and blood glucose (BG) control among primary care patients identified by screening as using illicit drugs who have hypertension and/or diabetes
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