Frequencies for first 10,000 rows of drg1ing2 variable in nhamcsopd2003 dataset : ingredient code #2 for medication | #1 | Freq. Percent Cum. ------------------------------------+----------------------------------- benzocaine | 1 0.01 0.01 caffeine | 1 0.01 0.02 chloride ion | 5 0.05 0.07 chlorthalidone | 1 0.01 0.08 citric acid | 3 0.03 0.11 clarithromycin | 1 0.01 0.12 clindamycin | 1 0.01 0.13 dichloralphenazone | 1 0.01 0.14 diphenhydramine | 2 0.02 0.16 erythromycin | 4 0.04 0.20 guaifenesin | 7 0.07 0.27 hydrocodone | 2 0.02 0.29 hydrocortisone | 2 0.02 0.31 imipenem | 2 0.02 0.33 levodopa | 3 0.03 0.36 lidocaine | 1 0.01 0.37 magnesium acetate | 7 0.07 0.44 methylcellulose | 1 0.01 0.45 mineral oil | 1 0.01 0.46 multivitamins | 1 0.01 0.47 mumps virus vaccine | 13 0.13 0.60 neomycin | 5 0.05 0.65 niacin | 2 0.02 0.67 norethindrone | 3 0.03 0.70 pertussis vaccine | 67 0.67 1.37 petrolatum | 5 0.05 1.42 phenylephrine | 2 0.02 1.44 prilocaine | 1 0.01 1.45 probenecid | 1 0.01 1.46 promethazine | 1 0.01 1.47 protein supplement | 2 0.02 1.49 pseudoephedrine | 2 0.02 1.51 pyridoxine | 167 1.67 3.18 riboflavin | 1 0.01 3.19 sodium bicarbonate | 1 0.01 3.20 sodium citrate | 1 0.01 3.21 soybean oil | 2 0.02 3.23 spironolactone | 1 0.01 3.24 tetanus toxoid | 31 0.31 3.55 tobramycin | 3 0.03 3.58 triamterene | 10 0.10 3.68 trimethoprim | 42 0.42 4.10 urea | 1 0.01 4.11 vitamin b-12 | 1 0.01 4.12 haemophilus b conjugate vaccine | 4 0.04 4.16 loratadine | 1 0.01 4.17 salmeterol | 27 0.27 4.44 bisoprolol fumarate | 3 0.03 4.47 lamivudine | 9 0.09 4.56 protein | 1 0.01 4.57 metformin | 11 0.11 4.68 hepatitis a vaccine | 3 0.03 4.71 valsartan | 2 0.02 4.73 sodium biphosphate | 1 0.01 4.74 glucosamine | 1 0.01 4.75 ethinyl estradiol | 34 0.34 5.09 ethynodiol diacetate | 1 0.01 5.10 atropine sulfate | 2 0.02 5.12 propoxyphene napsylate | 24 0.24 5.36 lopinavir | 6 0.06 5.42 polymyxin b sulfate | 7 0.07 5.49 hydrocodone bitartrate | 63 0.63 6.12 chlorpheniramine maleate | 2 0.02 6.14 codeine phosphate | 26 0.26 6.40 norethindrone acetate | 2 0.02 6.42 estradiol cypionate | 1 0.01 6.43 phenylpropanolamine hcl | 3 0.03 6.46 pseudoephedrine hcl | 9 0.09 6.55 amphetamine sulfate | 35 0.35 6.90 oxycodone hcl | 66 0.66 7.56 tramadol hcl | 6 0.06 7.62 triamcinolone acetonide | 3 0.03 7.65 fexofenadine hcl | 1 0.01 7.66 amiloride hcl | 2 0.02 7.68 pramoxine hcl | 1 0.01 7.69 dextromethorphan hbr | 3 0.03 7.72 clavulanate potassium | 37 0.37 8.09 albuterol sulfate | 2 0.02 8.11 timolol maleate | 3 0.03 8.14 lidocaine hcl | 2 0.02 8.16 propoxyphene hcl | 1 0.01 8.17 epinephrine bitartrate | 7 0.07 8.24 pyrilamine maleate | 1 0.01 8.25 carbinoxamine maleate | 11 0.11 8.36 phenylephrine tannate | 2 0.02 8.38 trimethoprim sulfate | 4 0.04 8.42 norelgestromin | 11 0.11 8.53 cetirizine hcl | 1 0.01 8.54 losartan potassium | 6 0.06 8.60 amlodipine besylate | 5 0.05 8.65 betamethasone dipropionate | 1 0.01 8.66 medroxyprogesterone acetate | 2 0.02 8.68 hydrocodone polistirex | 2 0.02 8.70 lisinopril | 4 0.04 8.74 . | 9,126 91.26 100.00 ------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016