Table 1 Malaria incidence in the Navrongo and Kintampo infant cohorts

Number in cohort

2,485

733

Person-years at risk

4,358.2

1,365.8

Number of malaria episodes

3,650

1,286

Malaria incidence rate

837.5

941.6

  (per 1,000 person-years at risk)

Number of malaria episodes per child

1.47, 1, (0, 11)

1.75, 1, (0, 10)

  Mean, Median, (Range)

Variance in number of malaria episodes

2.18

4.03