Monitoring the durability of the long-lasting insecticidal nets Olyset® and PermaNet® 2.0 in similar use environments in Zanzibar

Table 2 Net-use environment at household

Variable	Unguja	Pemba	p-value for site comparison
Households	N = 149 % (95% CI)	N = 150 % (95% CI)	p-value for site comparison
Storing of food in sleeping rooms
Never	4.7 (2.2–9.6)	3.3 (1.2–8.7)	0.64
At times	53.2 (45.9–60.0)	49.3 (39.0–59.7)
Always	42.3 (36.5–48.3)	47.3 (36.6–58.3)
Cooking in sleeping room
Never	57.7 (51.0–64.2)	86.0 (74.2–92.9)	0.003
At times	31.5 (27.0–36.5)	7.3 (4.1–12.8)
Always	10.7 (6.3–17.6)	6.7 (2.3–17.6)
Exposure to net use or care messages
Never	67.1 (58.0–75.1)	44.0 (31.9–56.9)	0.002
Once	24.8 (17.9–33.3)	34.0 (27.3–41.5)
Twice or more	8.0 (4.7–13.3)	22.0 (15.2–30.8)
Very positive net care attitude (score > 1.0)
Never	35.6 (26.5–45.8)	46.0 (33.3–59.2)	0.046
Once	36.9 (28.8–45.8)	42.0 (31.3–53.6)
Twice or more	27.5 (19.8–36.8)	12.0 (6.1–22.2)

Results were aggregated across all four surveys i.e., ‘never’ = household did not report the behaviour at any survey round; ‘at times’ = household reported the behaviour as ‘sometimes’ in at least one survey round or gave conflicting information; ‘always’ = reporting ‘always’ at all surveys. Exposure and attitude were similarly aggregated, i.e., ‘once’ = reported exposure or positive attitude score at one of the four survey rounds; ‘twice or more’ = at two or more survey rounds

ISSN: 1475-2875