Effect of bed net colour and shape preferences on bed net usage: a secondary data analysis of the 2017 Malawi Malaria Indicator Survey

Table 2 Logistic regression crude and adjusted odds ratios of association between bed net shape and colour preference to usage

Logistic regression predicting bed net use: yes vs no
	Crude OR (95% CI)	Crude P-value	Adj. OR (95% CI)	P (Wald’s test)	P (LR test)
Net shape
Rectangular	Ref				< 0.001
Conical	0.21 (0.18–0.23)	< 0.001	0.16 (0.013–0.2)	< 0.001
Other	0.07 (0.03–0.17)	< 0.001	0.09 (0.04–0.22)	< 0.001
Net colour
Green	Ref				< 0.001
Blue	0.18 (0.16–0.21)	< 0.001	0.19 (0.16–0.22)	< 0.001
White	0.13 (0.1–0.17)	< 0.001	0.19 (0.14–0.27)	< 0.001
Other	0.17 (0.1–0.17)	< 0.001	0.31 (0.16–0.58)	< 0.001
Is preferred shape^a
No	Ref				< 0.001
Yes	1.02 (0.91–1.14)	0.702	3.55 (2.98–4.23)	< 0.001	< 0.001
Is preferred colour^b
No	Ref				< 0.001
Yes	1.01 (0.91–1.13)	0.802	1.61 (1.41–1.84)	< 0.001	< 0.001
Region
Northern	Ref				< 0.001
Central	0.58 (0.52–0.66)	< 0.001	0.79 (0.69–0.91)	< 0.001
South	1.03 (0.91–1.17)	0.612	1.35 (1.17–1.55)	0.001
Wealth
Lowest	Ref				< 0.001
Second	1.24 (1.02–1.51)	0.028	1.20 (0.96–1.51)	0.108
Middle	1.63 (1.34–1.97)	< 0.001	1.46 (1.17–1.83)	< 0.001
Fourth	1.71 (1.43–2.04)	< 0.001	1.60 (1.3–1.98)	< 0.001
Highest	2.48 (2.11–2.91)	< 0.001	2.98 (2.45–3.63)	< 0.001

^aWhether or not the net colour that is preferred by the respondent of the household
^bWhether or not the net shape that is preferred by the respondent of the household

ISSN: 1475-2875