Table 4.
Pooled dmft score by age, year period and urban and rural status in South Africa from 1978—2019
| Number of studies | Effect size (mean) | 95% CI (%) | |
|---|---|---|---|
| Overall dmft | 2.422 | 2.148–2.696 | |
| Age | |||
| 1 | 4 | 1.027 | 0.000–2.122 |
| 2 | 7 | 1.048 | 0.820–1.277 |
| 3 | 9 | 1.963 | 1.695–2.322 |
| 4 | 10 | 2.743 | 2.422–3.064 |
| 5 | 11 | 3.485 | 3.055–3.915 |
| < 6 | 4 | 3.404 | 1.476–5.332 |
| Year period | |||
| 1978–1979 | 4 | 2.957 | 2.267–3.648 |
| 1980–1984 | 2 | 2.012 | 1.538–2.486 |
| 1985–1989 | 5 | 2.448 | 2.121–2.855 |
| 1990–1994 | 1 | 1.849 | 1.264–2.434 |
| 1995–1999 | 2 | 1.042 | 0.447–1.638 |
| 2000–2004 | 2 | 2.315 | 1.564–3.067 |
| 2005–2009 | – | – | – |
| 2010–2014 | 2 | 4.068 | 0.682–7.455 |
| Urban or rural | |||
| Rural | 4 | 2.185 | 1.272–3.098 |
| Urban | 13 | 2.390 | 2.094–2.685 |
| Urban/rural | 1 | 4.260 | 2.753–5.767 |
| Province | |||
| Limpopo | 1 | 0.330 | 0.066–0.594 |
| Gauteng | 13 | 2.442 | 2.163–2.722 |
| Kwazulu Natal | 1 | 3.000 | 2.863–3.317 |
| Western Cape | 1 | 2.370 | 1.996–2.744 |
| Eastern Cape | 1 | 3.850 | 3.454–4.246 |
| Northern Cape | – | – | – |
| Free State | – | – | – |
| North West | – | – | – |
| Mpumalanga | – | – | – |