Frequencies for first 10,000 rows of drg4ing1 variable in nhamcsed2003 dataset : ingredient code #1 for medication | #4 | Freq. Percent Cum. ------------------------------------+----------------------------------- acetaminophen | 115 1.15 1.15 alcohol | 1 0.01 1.16 aluminum hydroxide | 10 0.10 1.26 aluminum sulfate | 1 0.01 1.27 amoxicillin | 9 0.09 1.36 antipyrine | 2 0.02 1.38 aspirin | 2 0.02 1.40 benazepril hydrochloride | 1 0.01 1.41 benzyl alcohol | 2 0.02 1.43 brompheniramine | 1 0.01 1.44 calcium ion | 1 0.01 1.45 cilastatin sodium | 1 0.01 1.46 codeine | 5 0.05 1.51 dextromethorphan | 2 0.02 1.53 diphenoxylate | 1 0.01 1.54 diphtheria toxoid | 6 0.06 1.60 ergocalciferol | 1 0.01 1.61 estrogens | 2 0.02 1.63 fluticasone propionate | 2 0.02 1.65 guaifenesin | 5 0.05 1.70 hydrochlorothiazide | 2 0.02 1.72 hydrocortisone | 1 0.01 1.73 ibuprofen | 1 0.01 1.74 ipratropium bromide | 4 0.04 1.78 kaolin | 1 0.01 1.79 multivitamins general | 7 0.07 1.86 phenobarbital | 5 0.05 1.91 potassium guaiacolsulfonate | 1 0.01 1.92 pseudoephedrine | 1 0.01 1.93 senna | 1 0.01 1.94 sodium phosphate | 1 0.01 1.95 sulfamethoxazole | 7 0.07 2.02 zidovudine | 1 0.01 2.03 vitamin b complex | 1 0.01 2.04 trandolapril | 1 0.01 2.05 polymyxin b sulfate | 4 0.04 2.09 hydrocodone bitartrate | 4 0.04 2.13 pseudoephedrine hcl | 2 0.02 2.15 meperidine hcl | 1 0.01 2.16 erythromycin ethylsuccinate | 1 0.01 2.17 chlorpheniramin polistirex | 1 0.01 2.18 . | 9,782 97.82 100.00 ------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016