Abstract
Guidelines from the National Heart, Lung, and Blood Institute, Bethesda, Md, have encouraged more frequent use of inhaled steroids in asthma management. To determine (1) whether prescription rates for inhaled steroids have increased compared with prescriptions for bronchodilators and (2) significant associations of demographic factors with bronchodilator-inhaled steroid prescription ratios and with rates of inhaled steroid prescriptions. Cross-sectional analysis of monthly bronchodilator and inhaled steroid prescription rates, numbers and types of asthma care providers, and demographic factors. Philadelphia, Pa. Using univariate and multivariate analyses, bronchodilator and inhaled steroid prescription rates were determined for 45 ZIP codes and studied for associations with race and ethnicity, poverty, educational attainment, marital status, gender, total numbers of asthma drug prescriptions, and numbers and types of asthma care providers. Monthly bronchodilator-inhaled steroid prescription ratios increased from July 1991 to June 1993 (P < .001). Prescription rates for inhaled steroids and inhaled bronchodilators declined, but rates for oral bronchodilators (beta-agonists and theophylline) increased. By stepwise multiple regres...Continue Reading
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