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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.