Table 1. Risk factors for LLIN non-adherence stratified by calendar time.

Risk factor	Categories	November 2017 –April 2019 (18 months)				May 2019 –October 2019 (6 months)
		Observations	Non-adherence	OR (95% CI)	p-value	Observations	Non-adherence	OR (95% CI)	p-value
Age in years	≥ 18	5155	37.7%	reference group		1668	51.6%	reference group
	< 5	4772	47.6%	1.47 (1.27–1.70)	<0.001	1263	65.6%	3.31 (2.30–4.75)	<0.001
	5 - <18	7358	54.6%	2.67 (2.34–3.06)	<0.001	2568	75.5%	6.88 (5.01–9.45)	<0.001
Vector density a	≥ 3	2711	32.1%	reference group		1433	64.5%	reference group
	0–2	14574	50.5%	3.25 (2.92–3.63)	<0.001	4066	66.5%	0.99 (0.80–1.23)	0.91
Household wealth b	Least poor	11017	47.5%	reference group		3509	60.0%	reference group
	Poorest	6268	47.8%	1.03 (0.54–1.97)	0.94	1990	76.5%	5.09 (1.17–22.2)	0.03
Gender	Male	8344	48.7%	reference group		2583	66.6%	reference group
	Female	2879	46.6%	0.98 (0.88–1.10)	0.76	2916	65.4%	1.15 (0.87–1.52)	0.34

^a Number of female anopheles captured using CDC light traps the prior night in the room the participant was sleeping.

^b Wealth index stratified into the poorest households (lowest tertile) and the least poor households (all other households).