Variables | Exact agreement | Approximate agreement | ||
Kappa | GDR (%) | Generalised Kappa | Generalised GDR (%) | |
Overall health (all 524 respondents) | 0.60 | 27.5 | 0.91 | 2.4 |
Physical health (all 524 respondents) | 0.64 | 25.3 | 0.95 | 1.4 |
Mental health (all 524 respondents) | 0.52 | 34.1 | 0.85 | 4.7 |
Quality of life (407 adult respondents) | 0.52 | 34.1 | 0.95 | 1.3 |
Social activities and relationship (407 adult respondents) | 0.50 | 35.4 | 0.85 | 4.0 |
Approximate agreement treats answers within one category of the earlier response as agreement. Generalised Kappa and GDRs are calculated based on approximate agreement.
GDRs, gross discrepancy rates.