Frequencies for first 10,000 rows of drg2ing2 variable in nhamcsed2003 dataset : ingredient code #2 for medication | #2 | Freq. Percent Cum. ------------------------------------+----------------------------------- acetaminophen | 1 0.01 0.01 benzocaine | 10 0.10 0.11 butalbital | 7 0.07 0.18 cetylpyridinium | 3 0.03 0.21 chloride ion | 9 0.09 0.30 codeine | 2 0.02 0.32 dextromethorphan | 1 0.01 0.33 dichloralphenazone | 2 0.02 0.35 diphenhydramine | 2 0.02 0.37 guaifenesin | 3 0.03 0.40 hydrocodone | 7 0.07 0.47 hydrocortisone | 2 0.02 0.49 imipenem | 5 0.05 0.54 iodinated glycerol | 2 0.02 0.56 lactobacillus bulgaricus | 1 0.01 0.57 lipase | 1 0.01 0.58 neomycin | 3 0.03 0.61 niacinamide | 1 0.01 0.62 petrolatum | 1 0.01 0.63 phenobarbital | 1 0.01 0.64 phenylephrine | 2 0.02 0.66 prilocaine | 1 0.01 0.67 promethazine | 11 0.11 0.78 pseudoephedrine | 8 0.08 0.86 pyrethrins | 1 0.01 0.87 pyridoxine | 4 0.04 0.91 scopolamine hbr | 10 0.10 1.01 sodium bicarbonate | 1 0.01 1.02 sodium chloride | 1 0.01 1.03 sodium hydroxide | 1 0.01 1.04 tetanus toxoid | 22 0.22 1.26 tetracaine | 1 0.01 1.27 tobramycin | 1 0.01 1.28 trimethoprim | 28 0.28 1.56 vitamin c | 1 0.01 1.57 water sterile | 4 0.04 1.61 salmeterol | 3 0.03 1.64 lamivudine | 2 0.02 1.66 sodium biphosphate | 1 0.01 1.67 polymyxin b | 1 0.01 1.68 magnesium hydroxide | 23 0.23 1.91 atropine sulfate | 3 0.03 1.94 propoxyphene napsylate | 44 0.44 2.38 molasses | 1 0.01 2.39 polymyxin b sulfate | 10 0.10 2.49 bacitracin zinc | 3 0.03 2.52 hydrocodone bitartrate | 265 2.65 5.17 homatropine methyl bromide | 5 0.05 5.22 chlorpheniramine maleate | 2 0.02 5.24 codeine phosphate | 39 0.39 5.63 ampicillin sodium | 3 0.03 5.66 phenylpropanolamine hcl | 3 0.03 5.69 pseudoephedrine hcl | 6 0.06 5.75 docusate sodium | 1 0.01 5.76 oxycodone hcl | 75 0.75 6.51 tramadol hcl | 10 0.10 6.61 normal saline | 1 0.01 6.62 fexofenadine hcl | 1 0.01 6.63 dextromethorphan hbr | 2 0.02 6.65 clavulanate potassium | 44 0.44 7.09 albuterol sulfate | 2 0.02 7.11 neomycin sulfate | 17 0.17 7.28 pyrilamine maleate | 2 0.02 7.30 carbinoxamine maleate | 12 0.12 7.42 promethazine hcl | 4 0.04 7.46 losartan potassium | 1 0.01 7.47 amlodipine besylate | 2 0.02 7.49 betamethasone dipropionate | 1 0.01 7.50 sulfisoxazole acetyl | 3 0.03 7.53 medroxyprogesterone acetate | 2 0.02 7.55 hydrocodone polistirex | 2 0.02 7.57 tazobactam sodium | 5 0.05 7.62 lisinopril | 1 0.01 7.63 . | 9,237 92.37 100.00 ------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016