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Table 4 Proportional hazards model comparing incidence of malaria among the arms, adjusted for roof type

From: Long-lasting insecticidal nets and indoor residual spraying may not be sufficient to eliminate malaria in a low malaria incidence area: results from a cluster randomized controlled trial in Ethiopia

 

HR (95% CI)

Arms

 LLIN + IRS

1

 LLIN only

0.97 (0.82–1.15)

 IRS only

1.01 (0.85–1.19)

 Routine

0.92 (0.78–1.08)

Type of house roof

 Thatched/leaf

1.18 (1.04–1.33)**

 Corrugated iron and cement/concretea

1

  1. LLIN long-lasting insecticidal nets; IRS indoor residual spraying
  2. ** < 0.01
  3. aThere were only 125 individuals living under a cement/concrete roof