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Table 6 Incremental research costs associated with the methods used to collect health care use and cost data*

From: Good agreement between questionnaire and administrative databases for health care use and costs in patients with osteoarthritis

  OCC-Q GP records Hospital
database
Medical imaging
records
New Zealand Health
Information System
Combined
databases
  $ $ $ $ $ $
Materials (× 50) 170.04 0 0 0 0 0
   • 13 page questionnaire       
   • Cover letter       
   • 1 Legal envelope       
   • 1 Letter envelope       
   • Return postage       
Printing, assembling, mailing (time)† 83.60 0 0 0 0 0
Telephone follow-up† 42.85 0 1.67 1.67 3.55 6.89
Emails† 0 0 1.67 1.67 1.67 5.01
Query design 0 0 784.58‡ 150.47‡ 141.22‡ 1076.27
Data collection (patient level) 217.78† 262.09† 232.73§ 135.23§ 0 630.05
Questionnaire scanning† 51.21 0 0 0 0 0
Data normalization† 334.40 250.80 125.4 41.80 167.20 585.20
Travel reimbursement 0 176.80¶ 0 0 0 176.80
Query building/reporting fee 0 160.00 0 0 200.00 360.00
Total cost 899.88 849.69 1146.01 330.84 513.64 2840.22
  1. *All monetary values are in 2009 New Zealand dollars (NZD); the conversion rate to US dollars (USD) at 2009 purchasing power parity is $1 NZD = $0.63 USD
  2. Abbreviations: OCC-Q, Osteoarthritis Cost and Consequences Questionnaire; GP, general practitioner
  3. †Time valued at research assistant hourly rate of $20.90
  4. ‡Hospital database query design
  5. §Hospital database: 7 hours of computer analyst time ($32.50), 0.25 hours research assistant time ($20.90), radiology database: 4 hours computer analyst time, 0.25 hours research assistant time
  6. ¶Travel reimbursement was $0.85/Km