Correlation of textile ‘resistance to damage’ scores with actual physical survival of long-lasting insecticidal nets in the field

Table 3 Determinants of physical survival of LLIN in a per-protocol Cox regression model

Variable	Adjusted Hazard Ratio (aHR)	95% CI	p-value
N = 5126 obs/2900 nets
High net care attitude score and SBC exposure
Attitude never–SBC never	1.00
Attitude never–SBC at least once	0.66	0.52–0.83	< 0.0001
Attitude at least once–SBC never or at least once	0.56	0.45–0.70	< 0.0001
Attitude at least twice–SBC at least twice	0.35	0.26–0.46	< 0.0001
RD value/10 (impact of increase by 10 points of RD)	0.64	0.55–0.74	< 0.0001
Never folding net up during day when hanging	1.41	1.18–1.69	< 0.0001
Never cooking inside the sleeping room	0.79	0.69–0.91	0.001
Dominant net users
Child only	1.00
Child with adult	0.86	0.70–1.05	0.14
Adult only	0.69	0.57–0.83	< 0.0001
Wealth tertile
Lowest	1.00
Middle	0.94	0.80–1.10	0.44
Highest	0.84	0.71–0.99	0.04
Gender of head of household
Male	1.00
Female	0.84	0.67–1.04	0.12
Country
Mozambique	1.00
Nigeria	0.30	0.21–0.43	< 0.0001
DRC	1.29	1.01–1.65	0.05
Zanzibar (Tz)	0.50	0.34–0.73	< 0.0001

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