Table 2.

Hospitalization rates and person-years during outcome-monitoring period by treatment areas (cluster-adjusted)^a

Study areas	Number of people	Number of person-years (1000)	Number of hospitalizations	Hospitalizations/1000 person-years (95% CI)	Hazard ratio (95% CI)	P-value*
Control	145821	164.0	1600	9.7 (8.3–11.6)	1.0	–
Vaccine-only	149839	169.6	1586	9.4 (8.3–10.6)	0.96 (0.78–1.17)	0.69
Vaccine-plus-behaviour-change	147222	167.1	1596	9.6 (8.3–11.1)	0.98 (0.79–1.22)	0.85

^aPrimary analysis

*P-value for comparison with control.