Frequencies for first 10,000 rows of drug4cl2 variable in nhamcsopd2004 dataset : drug class #2 for medication #4 | Freq. Percent Cum. ----------------------------------------+----------------------------------- medicinal gases | 1 0.01 0.01 sulfonamides and trimethoprim | 1 0.01 0.02 antihypertensive agents | 1 0.01 0.03 diuretics | 15 0.15 0.18 calcium channel blockers | 1 0.01 0.19 beta blockers | 12 0.12 0.31 alpha agonist/alpha blockers | 9 0.09 0.40 ace inhibitors | 1 0.01 0.41 disorders, acid/peptic | 1 0.01 0.42 antispasmodics/anticholinergics | 1 0.01 0.43 vitamins/minerals | 4 0.04 0.47 blood glucose regulators | 1 0.01 0.48 vaccines/antisera | 1 0.01 0.49 dermatologics, misc. | 3 0.03 0.52 topical steroids | 1 0.01 0.53 acne products | 1 0.01 0.54 topical analgesics | 22 0.22 0.76 skeletal muscle hyperactivity | 3 0.03 0.79 ocular anti-infective/anti-inflammatory | 1 0.01 0.80 miscellaneous ophthalmics | 1 0.01 0.81 vertigo/motion sickness/vomiting | 12 0.12 0.93 analgesics, narcotic | 1 0.01 0.94 analgesics, non-narcotic | 1 0.01 0.95 antiarthritics | 70 0.70 1.65 nsaid | 16 0.16 1.81 antipyretics | 33 0.33 2.14 antiasthmatics/bronchodilators | 1 0.01 2.15 antitussives/expectorants/mucolytics | 3 0.03 2.18 antihistamines | 1 0.01 2.19 corticosteroid-inhalation/nasal | 1 0.01 2.20 pharmaceutical aids | 8 0.08 2.28 homeopathic products | 1 0.01 2.29 . | 9,771 97.71 100.00 ----------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016