Agreement, % (n) | ||||||
Kappa coefficient (significance) | ||||||
Total at 8 month | Automatic CASCOT codes | Semiautomatic CASCOT codes | ||||
Four-digit | Three-digit | Two-digit | Four-digit | Three-digit | Two-digit | |
HSES | 62.1 (2253) | 68.8 (2496) | 75.1 (2724) | 70.2 (2548) | 75.8 (2751) | 81.1 (2941) |
n 3628 | 0.63 (<0.001) | 0.69 (<0.001) | 0.73 (<0.001) | 0.71 (<0.001) | 0.76 (<0.001) | 0.80 (<0.001) |
LSES | 71.8 (1425) | 76.1 (1511) | 80.4 (1596) | 77.5 (1539) | 82.3 (1633) | 85.5 (1698) |
n 1985 | 0.72 (<0.001) | 0.75 (<0.001) | 0.78 (<0.001) | 0.78 (<0.001) | 0.81 (<0.001) | 0.84 (<0.001) |
χ2 (p value) for difference between HSES and LSES | 53.31 (<0.001) | 33.68 (<0.001) | 20.48 (<0.001) | 34.62 (<0.001) | 33.06 (<0.001) | 18.01 (<0.001) |
CASCOT, Computer-Assisted Structured Coding Tool; HSES, high socio-economic status; LSES, low socio-economic status.