Table 4. Major injury factor coding concordance.
| Major injury factor categories (grouped) | Number of concordant cases (% of total) | |||
|---|---|---|---|---|
| GS and QC (control) n = 1,668 n (%) |
GS and QC (trial) n = 1,476 n (%) |
GS and MC (trial) n = 1,476 n (%) |
QC and MC (trial) n = 1,476 n (%) |
|
| Infants or child's product | 108 (91.5) | 99 (97.1) | 90 (88.2) | 92 (90.2) |
| Furnishing | 43 (89.6) | 45 (90) | 32 (64) | 33 (66) |
| Appliance | 176 (89.3) | 149 (97.4) | 130 (85.0) | 131 (85.6) |
| Utensil, container or rubbish | 59 (83.1) | 48 (94.1) | 35 (68.6) | 35 (68.6) |
| Transport (including mobile machinery) | 396 (92.7) | 322 (90.2) | 325 (91.0) | 323 (90.5) |
| Sporting equipment | 165 (94.8) | 152 (98.1) | 138 (89.0) | 139 (89.7) |
| Tool | 10 (90.9) | 15 (83.3) | 13 (72.2) | 14 (77.8) |
| Natural object or animal | 26 (92.9) | 30 (96.8) | 24 (77.4) | 24 (77.4) |
| Food, drink, personal use item | 106 (89.8) | 138 (99.3) | 134 (96.4) | 134 (96.4) |
| Chemical substance | 121 (89.0) | 107 (97.3) | 95 (86.4) | 94 (85.4) |
| Structure or fitting | 8 (88.9) | 13 (86.7) | 6 (40) | 7 (46.7) |
| Material | 190 (90.5) | 199 (95.2) | 161 (77.0) | 165 (78.9) |
| Miscellaneous | 94 (77.7) | 61 (70.9) | 56 (65.1) | 59 (68.6) |
| Overall | 1,502 (90) | 1,378 (93.4) | 1,239 (83.9) | 1,250 (84.7) |
Abbreviations: GS, gold standard coding; MC, machine classifier coding; QC, Queensland Injury Surveillance Unit coders coding.