Table 4.
Infant (0–1 year) mortality rate by wealth quintile at Rufiji Demographic Surveillance Site, 2005 with inequality measures
| Quintile | N | Infants person years observed (PYOs) | Deaths (0–1 year) | Infant mortality rate/1,000 PYOs (95% CI) |
|---|---|---|---|---|
| 1st (poorest) | 495 | 233.4 | 37 | 158.5 (114.9–218.8) |
| 2nd (poorer) | 521 | 234.4 | 26 | 110.9 (75.5–162.9) |
| 3rd (poor) | 491 | 221.4 | 27 | 122.0 (83.6–177.8) |
| 4th (less poor) | 469 | 207.1 | 24 | 115.9 (77.7–172.9) |
| 5th (least poor) | 451 | 197.5 | 21 | 106.3 (69.3–163.1) |
| Total | 2,427 | 1,093.8 | 135 | 123.4 (104.3–146.1) |
| Chi-square trend | P=0.1 | |||
| Poorest–least poor ratio | 1.5 | |||
| Concentration index | −0.07 (−0.13, −0.0003) |