Table 3 Correlation of Medicare general practitioner claims (national insurer) and self-reported general practitioner visits (n = 751)
From: Empirical evidence of recall bias for primary health care visits
Medicare GP claims compared to self-reported GP visits 0 to 6 months | Medicare GP claims compared to self-reported GP visits 7 to 12 months | Medicare GP claims compared to self-reported GP visits 0 to 12 months | Self-report GP visits 0 to 6 months compared to 7 to 12 months | Medicare GP claims 0 to 6 months compared to 7 to 12 months | |
|---|---|---|---|---|---|
Correlation, Spearman | 0.25 | 0.65 | 0.52 | 0.53 | 0.04 |
p < 0.001 | p < 0.001 | p < 0.001 | p < 0.001 | p = 0.28 | |
Measure of agreement, Kappa | 0.03a | 0.04a | 0.03a | 0.18a | 0.07a |
Number of occasions the data matches for the individual participant n (%) | 70 (9.3) | 67 (8.9) | 52 (6.9) | 208 (27.7) | 91 (12.1) |