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Table 1 Data Entry Reliability Study Results 1998 Medicare Health Outcomes Survey

From: Using multiple survey vendors to collect health outcomes information: How accurate are the data?

Vendor (Overall Response Rate)

Number of Cases

Mean Agreement Rate

Mean Agreement Rate Adjusted for Skip Pattern Problems

A (62%)

400

99.4%

99.4%

B (59%)

397

97.1%

98.6%

C (66%)

400

97.7%

97.9%

D (58%)

400

97.0%

99.9%

E (62%)

400

97.1%

99.7%

F (58%)

400

99.8%

99.8%

All Vendors (60%)

2397

98.0%

99.2%