From: Bed nets used to protect against malaria do not last long in a semi-arid area of Ethiopia: a cohort study
Variable
Between months
Mean difference (95% CI)a
P value
Knockdown
12 and 18
5.4 (0.4–10.4)
0.029
12 and 24
5.5 (1.7–9.3)
0.002
Mortality
11.7 (4.1–19.2)
0.001
15.4 (3.1–27.8)
0.008