Frequencies for first 10,000 rows of drg2ing2 variable in nhamcsopd2004 dataset : ingredient code #2 for medication | #2 | Freq. Percent Cum. ------------------------------------+----------------------------------- acetaminophen | 2 0.02 0.02 benzocaine | 4 0.04 0.06 bismuth, external | 1 0.01 0.07 butalbital | 2 0.02 0.09 capsaicin | 1 0.01 0.10 carmellose | 1 0.01 0.11 cetylpyridinium | 1 0.01 0.12 chloride ion | 1 0.01 0.13 chlorpheniramine | 2 0.02 0.15 citric acid | 1 0.01 0.16 clindamycin | 1 0.01 0.17 dextromethorphan | 3 0.03 0.20 dichloralphenazone | 2 0.02 0.22 diphenhydramine | 3 0.03 0.25 dipyridamole | 1 0.01 0.26 guaifenesin | 6 0.06 0.32 hydrochlorothiazide | 1 0.01 0.33 hydrocodone | 14 0.14 0.47 iodochlorhydroxyquin | 1 0.01 0.48 iodoquinol | 1 0.01 0.49 levodopa | 3 0.03 0.52 lidocaine | 1 0.01 0.53 magnesium acetate | 2 0.02 0.55 methylcellulose | 1 0.01 0.56 methylparaben | 1 0.01 0.57 mineral oil | 1 0.01 0.58 multivitamins general | 2 0.02 0.60 mumps virus vaccine | 12 0.12 0.72 niacin | 2 0.02 0.74 niacinamide | 2 0.02 0.76 peanut oil | 1 0.01 0.77 pertussis vaccine | 18 0.18 0.95 petrolatum | 7 0.07 1.02 phenobarbital | 1 0.01 1.03 phenylephrine | 2 0.02 1.05 phenylpropanolamine | 1 0.01 1.06 promethazine | 2 0.02 1.08 pseudoephedrine | 6 0.06 1.14 pyridoxine | 76 0.76 1.90 reserpine | 1 0.01 1.91 riboflavin | 2 0.02 1.93 sodium chloride | 6 0.06 1.99 sodium fluoride | 3 0.03 2.02 sodium hydroxide | 3 0.03 2.05 soybean oil | 2 0.02 2.07 tetanus toxoid | 8 0.08 2.15 triamterene | 8 0.08 2.23 trimethoprim | 11 0.11 2.34 vitamin d | 3 0.03 2.37 vitamin b complex | 1 0.01 2.38 haemophilus b conjugate vaccine | 3 0.03 2.41 loratadine | 3 0.03 2.44 salmeterol | 19 0.19 2.63 lamivudine | 6 0.06 2.69 metformin | 6 0.06 2.75 hepatitis a vaccine | 1 0.01 2.76 sodium biphosphate | 1 0.01 2.77 irbesartan | 1 0.01 2.78 glucosamine | 1 0.01 2.79 rosiglitazone maleate | 2 0.02 2.81 sodium sulfacetamide | 1 0.01 2.82 ethinyl estradiol | 14 0.14 2.96 penicillin g benzathine | 1 0.01 2.97 magnesium hydroxide | 3 0.03 3.00 atropine sulfate | 1 0.01 3.01 propoxyphene napsylate | 13 0.13 3.14 lopinavir | 3 0.03 3.17 aloe vera | 1 0.01 3.18 polymyxin b sulfate | 4 0.04 3.22 sulfacetamide sodium | 1 0.01 3.23 insulin susp iso recomb human | 1 0.01 3.24 hydrocodone bitartrate | 34 0.34 3.58 chlorpheniramine maleate | 1 0.01 3.59 codeine phosphate | 18 0.18 3.77 brompheniramine maleate | 1 0.01 3.78 methscopolamine nitrate | 1 0.01 3.79 phenylpropanolamine hcl | 2 0.02 3.81 pseudoephedrine hcl | 8 0.08 3.89 amphetamine sulfate | 4 0.04 3.93 oxycodone hcl | 17 0.17 4.10 tramadol hcl | 5 0.05 4.15 triamcinolone acetonide | 1 0.01 4.16 fexofenadine hcl | 4 0.04 4.20 pramoxine hcl | 1 0.01 4.21 dextromethorphan hbr | 2 0.02 4.23 clavulanate potassium | 14 0.14 4.37 phenylephrine hcl | 1 0.01 4.38 albuterol sulfate | 7 0.07 4.45 neomycin sulfate | 1 0.01 4.46 timolol maleate | 4 0.04 4.50 epinephrine bitartrate | 1 0.01 4.51 pyrilamine maleate | 1 0.01 4.52 carbinoxamine maleate | 3 0.03 4.55 pyrilamine tannate | 5 0.05 4.60 drospirenone | 2 0.02 4.62 trimethoprim sulfate | 1 0.01 4.63 norelgestromin | 3 0.03 4.66 proguanil hcl | 1 0.01 4.67 losartan potassium | 3 0.03 4.70 amlodipine besylate | 1 0.01 4.71 betamethasone dipropionate | 2 0.02 4.73 medroxyprogesterone acetate | 1 0.01 4.74 hydrocodone polistirex | 9 0.09 4.83 tazobactam sodium | 1 0.01 4.84 monobasic sodium phosphate | 1 0.01 4.85 lisinopril | 4 0.04 4.89 . | 9,511 95.11 100.00 ------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016