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Table 3 Functional survival up to three years and median survival estimates for campaign nets

From: Field durability of the same type of long-lasting insecticidal net varies between regions in Nigeria due to differences in household behaviour and living conditions

Location Survival in functional condition Median survival estimate in years
Year Crude Adjusted for loss recall bias Adjusted for all recall biases
Zamfara     
Year 1 98.9% (97.0, 99.4) 98.2% (96.7, 99.2) 98.2% (96.7, 99.2)  
Year 2 92.4% (87.6, 95.4) 90.6% (87.0, 93.5) 86.4% (82.5, 89.8)  
Year 3 89.9% (86.4, 92.5) 83.6% (79.8, 87.1) 74.7% (70.4, 78.5) 4.74 (4.40, 5.10)
Nasarawa     
Year 1 88.1% (84.3, 91.1) 84.2% (80.8, 87.4) 84.2% (80.8, 87.4)  
Year 2 69.3% (63.2, 74.8) 66.6% (61.0, 72.0) 64.8% (59.0, 69.9)  
Year 3 53.1% (46.9, 59.3) 45.0% (40.9, 50.5) 41.9% (36.7, 47.2) 2.98 (2.73, 3.21)
Cross River     
Year 1 92.0% (84.5, 96.0) 92.3% (89.5, 94.6) 92.3% (89.5, 94.6)  
Year 2 89.7% (83.8, 93.7) 87.0% (81.8, 91.4) 78.8% (74.4, 84.1)  
Year 3 88.5% (83.5, 91.9) 80.1% (75.3, 84.4) 70.1% (65.0, 74.8) 4.50 (3.93, 5.71)
  1. Crude and recall adjusted survival estimates are shown.