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. Author manuscript; available in PMC: 2019 Nov 1.
Published in final edited form as: Health Econ. 2018 Jul 10;27(11):1717–1737. doi: 10.1002/hec.3796

TABLE 6.

Average out-of-pocket payment (OPP) and total payment for one tablet of selected drugs

Drug name and strength Brand/Generic OPP Total payment OPP, private insurance OPP, Medicaid OPP, Medicare OPP, no insurance
Anti-Depressants

Prozac 20 mg Brand 0.82 2.98 0.27 0.06 0.84 1.94
Fluoxetine 20 mg Generic 0.36 0.90 0.25 0.02 0.09 0.76
Paxil 20 mg Brand 0.80 1.69 0.52 0.09 0.10 1.43
Paroxetine 20 mg Generic 0.26 0.83 0.30 0.03 0.09 0.50
Zoloft 100 mg Brand 1.11 2.30 0.67 0.10 0.32 2.51
Sertraline 100 mg Generic 0.24 0.78 0.24 0.05 0.12 0.52
Celexa 20 mg Brand 0.64 1.66 0.61 0.08 0.20 1.73
Citalopram 20 mg Generic 0.23 0.59 0.25 0.04 0.11 0.36
Lexapro 20 mg Brand 1.30 4.32 1.44 0.04 0.45 3.90
Escitalopram 20 mg Generic 0.40 3.19 0.46 0.08 0.36 0.65

PPIs

Prevacid 30 mg Brand 1.09 5.50 0.84 0.03 0.48 5.74
Lansoprazole 30 mg Generic 0.35 2.27 0.27 0.02 0.21 1.72
Prilosec 20 mg Brand 0.42 1.24 0.32 0.03 0.14 1.63
Omeprazole 20 mg Generic 0.31 1.13 0.23 0.06 0.12 1.11

Statins

Pravachol 40 mg Brand 1.24 3.58 0.51 0.02 0.50 3.43
Pravastatin 40 mg Generic 0.23 0.74 0.19 0.04 0.11 0.44
Zocor 20 mg Brand 1.18 3.59 0.44 0.05 0.29 4.55
Simvastatin 20 mg Generic 0.27 0.91 0.22 0.04 0.14 0.62

All

All brand name drugs 0.95 2.99 0.62 0.06 0.37 2.98
All generic drugs 0.29 1.26 0.27 0.04 0.15 0.74
Average difference between brand and generic 0.66 1.73 0.36 0.01 0.22 2.24

The out-of-pocket payment (OPP) and total payment are calculated for a purchase of one tablet of each drug’s most common strength using MEPS data in the years 2006-2012.