Frequencies for first 10,000 rows of drg1ing2 variable in nhamcsopd2005 dataset : ingredient code #2 for medication #1 | Freq. Percent Cum. -------------------------------------+----------------------------------- acacia gum | 3 0.03 0.03 acetaminophen | 2 0.02 0.05 aspirin | 4 0.04 0.09 benzocaine | 4 0.04 0.13 bisacodyl | 1 0.01 0.14 butalbital | 4 0.04 0.18 casein | 1 0.01 0.19 chloride ion | 3 0.03 0.22 clindamycin | 1 0.01 0.23 codeine | 2 0.02 0.25 corn oil | 1 0.01 0.26 dexamethasone | 4 0.04 0.30 dichloralphenazone | 3 0.03 0.33 dimethicone | 11 0.11 0.44 diphenhydramine | 2 0.02 0.46 ergocalciferol | 1 0.01 0.47 folic acid | 1 0.01 0.48 guaifenesin | 4 0.04 0.52 hydrocodone | 12 0.12 0.64 hydrocortisone | 1 0.01 0.65 levodopa | 2 0.02 0.67 lidocaine | 1 0.01 0.68 lipase | 2 0.02 0.70 menthol | 1 0.01 0.71 methscopolamine | 1 0.01 0.72 methyl salicylate | 1 0.01 0.73 mineral oil | 1 0.01 0.74 multivitamins general | 7 0.07 0.81 multivitamins | 2 0.02 0.83 mumps virus vaccine | 15 0.15 0.98 naloxone | 14 0.14 1.12 neomycin | 4 0.04 1.16 niacin | 3 0.03 1.19 norethindrone | 7 0.07 1.26 oxyphencyclimine | 1 0.01 1.27 pertussis vaccine | 62 0.62 1.89 petrolatum | 5 0.05 1.94 phenylephrine | 3 0.03 1.97 phenylpropanolamine | 1 0.01 1.98 physostigmine | 1 0.01 1.99 pramoxine | 1 0.01 2.00 prilocaine | 2 0.02 2.02 protein supplement | 3 0.03 2.05 pseudoephedrine | 1 0.01 2.06 pyridoxine | 270 2.70 4.76 riboflavin | 1 0.01 4.77 simethicone | 4 0.04 4.81 sodium acetate | 1 0.01 4.82 sodium bicarbonate | 2 0.02 4.84 sodium chloride | 3 0.03 4.87 sodium fluoride | 6 0.06 4.93 sodium hydroxide | 1 0.01 4.94 somatropin | 1 0.01 4.95 tetanus toxoid | 46 0.46 5.41 tobramycin | 5 0.05 5.46 triamterene | 3 0.03 5.49 trimethoprim | 47 0.47 5.96 trypsin | 1 0.01 5.97 urea | 10 0.10 6.07 vitamin a | 1 0.01 6.08 vitamin b-12 | 1 0.01 6.09 vitamin c | 4 0.04 6.13 vitamin d | 7 0.07 6.20 zinc topical agents, external use | 1 0.01 6.21 loratadine | 2 0.02 6.23 salmeterol | 40 0.40 6.63 bisoprolol fumarate | 1 0.01 6.64 lamivudine | 16 0.16 6.80 fat | 1 0.01 6.81 valsartan | 2 0.02 6.83 sodium biphosphate | 2 0.02 6.85 irbesartan | 2 0.02 6.87 glucosamine | 1 0.01 6.88 rosiglitazone maleate | 3 0.03 6.91 candesartan cilexetil | 1 0.01 6.92 ethinyl estradiol | 65 0.65 7.57 ascorbic acid | 3 0.03 7.60 magnesium hydroxide | 9 0.09 7.69 atropine sulfate | 1 0.01 7.70 propoxyphene napsylate | 17 0.17 7.87 lopinavir | 11 0.11 7.98 polymyxin b sulfate | 4 0.04 8.02 bacitracin zinc | 1 0.01 8.03 insulin susp iso recomb human | 1 0.01 8.04 hydrocodone bitartrate | 96 0.96 9.00 homatropine methyl bromide | 1 0.01 9.01 chlorpheniramine maleate | 2 0.02 9.03 codeine phosphate | 26 0.26 9.29 norethindrone acetate | 2 0.02 9.31 methscopolamine nitrate | 1 0.01 9.32 phenylpropanolamine hcl | 6 0.06 9.38 phenyltoloxamine citrate | 2 0.02 9.40 pseudoephedrine hcl | 5 0.05 9.45 amphetamine sulfate | 27 0.27 9.72 docusate sodium | 3 0.03 9.75 oxycodone hcl | 54 0.54 10.29 tramadol hcl | 8 0.08 10.37 triamcinolone acetonide | 3 0.03 10.40 quinapril hcl | 1 0.01 10.41 fexofenadine hcl | 3 0.03 10.44 dextromethorphan hbr | 2 0.02 10.46 clavulanate potassium | 57 0.57 11.03 albuterol sulfate | 8 0.08 11.11 neomycin sulfate | 2 0.02 11.13 timolol maleate | 1 0.01 11.14 cyclopentolate hcl | 3 0.03 11.17 lidocaine hcl | 3 0.03 11.20 testosterone cypionate | 1 0.01 11.21 pyrilamine maleate | 1 0.01 11.22 carbinoxamine maleate | 12 0.12 11.34 pheniramine maleate | 1 0.01 11.35 drospirenone | 9 0.09 11.44 trimethoprim sulfate | 3 0.03 11.47 norelgestromin | 24 0.24 11.71 cadexomer iodine | 2 0.02 11.73 ezetimibe | 7 0.07 11.80 proguanil hcl | 1 0.01 11.81 losartan potassium | 2 0.02 11.83 amlodipine besylate | 2 0.02 11.85 betamethasone dipropionate | 3 0.03 11.88 medroxyprogesterone acetate | 2 0.02 11.90 tazobactam sodium | 1 0.01 11.91 etonogestrel | 1 0.01 11.92 diphenhydramine tannate | 13 0.13 12.05 tenofovir | 1 0.01 12.06 lisinopril | 2 0.02 12.08 misoprostol | 1 0.01 12.09 . | 8,791 87.91 100.00 -------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016