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Reliability of dichotomized responses stratified by memory of previous responses
| Remembered previous answers | N | Kappa (95% CI) |
|---|---|---|
| Yes | ||
| General recovery | 18 | 1 |
| Change in neck pain | 18 | 1 |
| No | ||
| General recovery | 16 | 0.88 (0.64–1) |
| Change in neck pain | 16 | 0.74 (0.41–1) |
| Not asked | ||
| General recovery | 12 | 0.50 (0.02–0.98) |
| Change in neck pain | 12 | 0.66 (0.22–1) |
CI confidence interval
