Table 4.
Intervention Divisions (n = 12) | Comparison Divisions (n = 12) | Ratio (95% CI) | P | ||
---|---|---|---|---|---|
2001-2004 (Baseline) |
Mortality rate per 1000 person-years: geometric mean* (95% CI) | 34.1 (26.4-44.0) | 32.3 (22.9-45.5) | 1.06 | |
Number of deaths | 111 | 106 | |||
2004-2007 (Follow-up) |
Mortality rate per 1000 person-years: geometric mean* (95% CI) | 23.6 (20.0-27.9) | 20.7 (16.5-26.0) | 1.14 (0.88, 1.49) |
0.31 |
Number of deaths | 340 | 359 |
*Geometric mean of the 12 division-specific rates