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% |