Table 2.
Proportions of deaths with individual agreement between VACoD and RRCoD, for 6,721 deaths in the Agincourt HDSS, South Africa
| Cause of death category | VACoD n |
RRCoD n |
Agreement% (95% CI) |
Kappa statistic (κ) (95% CI) |
|---|---|---|---|---|
| Accidental causes | 407 | 557 | 79.1 (75.2–83.1) | 0.64 (0.61–0.68) |
| Homicide or suicide | 367 | 358 | 69.8 (65.0–74.4) | 0.69 (0.65–0.73) |
| Nervous system disease | 32 | 127 | 53.1 (35.6–70.7) | 0.21 (0.12–0.29) |
| Diarrhoeal disease | 186 | 464 | 45.2 (38.0–52.3) | 0.23 (0.18–0.27) |
| Maternal causes | 23 | 18 | 34.8 (14.9–54.7) | 0.39 (0.20–0.58) |
| Indeterminate | 374 | 2,292 | 34.5 (29.6–39.4) | 0.001 (−0.013–−0.016)a |
| HIV/TB | 2,857 | 903 | 29.6 (27.9–31.4) | 0.30 (0.28–0.32) |
| Stroke | 252 | 211 | 27.4 (21.9–32.9) | 0.27 (0.22–0.33) |
| Cardiovascular disease | 301 | 264 | 22.1 (17.4–26.8) | 0.20 (0.15–0.25) |
| Neoplasm | 476 | 254 | 19.2 (15.7–22.9) | 0.21 (0.16–0.25) |
| Endocrine or malnutrition | 215 | 197 | 13.3 (8.7–17.9) | 0.11 (0.06–0.16) |
| Neonatal or congenital | 171 | 39 | 11.2 (6.5–16.0) | 0.18 (0.11–0.25) |
| Chronic liver disease | 36 | 46 | 8.6 (−0.8–18.0)a | 0.07 (−0.01–−0.15)a |
| Chronic respiratory disease | 282 | 67 | 5.8 (3.1–8.6) | 0.08 (0.04–0.12) |
| Acute infectious disease | 247 | 83 | 4.5 (1.9–7.1) | 0.05 (0.01–0.09) |
| Acute respiratory disease | 953 | 27 | 1.1 (0.4–1.8) | 0.01 (0.002–0.02) |
| Other | 189 | 28 | 1.1 (−0.4–2.5)a | 0.01 (−0.01–0.04)a |
| Bewitchment | – | 865 | – | – |
| Total | 4,514 | 4,510 | – | – |
Individual deaths can contribute to more than one category, where so described by InterVA-4 or the respondent's report.
a
Not significantly different from zero agreement.
VACoD=verbal autopsy causes of death; RRCoD=respondent-reported cause of death.