Variable | Proportion (n) | Odds ratio [95Â % CI] | P |
---|---|---|---|
Live in one of the original 15 Urban Malaria Control Programme (UMCP) study wards | |||
New study ward | 68.8 (7693) | 1.00 [NA] | NA |
Old UMCP study ward | 31.2 (3494) | 1.30 [1.02, 1.65] | 0.033 |
Education of head of household | |||
Any | 96.8Â % (8882) | 1.00 [NA] | NA |
None | 3.2Â % (290) | 1.90 [1.34, 2.71] | 0.00035 |
Sex | |||
Female | 63.9Â % (5864) | 1.00 [NA] | NA |
Male | 36.1Â % (3308) | 1.16 [1.03, 1.33] | 0.020 |
Window screening a and the proportion of potential vector biting exposure occurring indoors (Ï€ i ) b | |||
Unscreened or screened but lowest π i tercile | 34.1 % (3132) | 1 [NA] | NA |
Screened and middle or highest π i tercile | 65.9 % (6040) | 0.71 [0.62, 0.82] | 0.0000036 |
Living in a ward with or without active larvicide application | |||
No larviciding | 69.2Â % (7744) | 1.00 [NA] | NA |
Granule application managed by contractorc | 11.9Â % (1329) | 1.29 [0.78, 2.13] | 0.325 |
Granule application managed by Ministry of Health & Social Welfare (MoHSW) | 4.9Â % (551) | 0.26 [0.12, 0.56] | 0.00040 |
Pre-diluted liquid application managed by MoHSWc | 14.0Â % (1563) | 0.96 [0.67,1.37] | 0.836 |
Individual use of a bed net the previous night | |||
Didn’t use any bed net | 19.4 % (1773) | [NA] | NA |
Used an untreated bed net | 29.8Â % (2736) | 1.29 [1.03, 1.60] | 0.023 |
Used a long-lasting insecticidal net (LLIN) | 50.8Â % (4663) | 1.42 [1.16, 1.74] | 0.00063 |
Population-wide LLIN use d | |||
Increase in coverage by final round | From 51.0Â to 71.2Â % | 0.80 [0.69, 0.91] | 0.0013 |
Recent travel history over last month | |||
Had not slept away from home | 79.8Â % (7322) | 1.00 [NA] | NA |
Slept away from home at least once | 20.2Â % (1850) | 0.69 [0.54, 0.88] | 0.0024 |
Anopheles gambiae density e among households lacking window screening a only | |||
One mosquito caught per trap per night | Continuum | 6.99 [1.12, 43.7] | 0.037 |
Age group c | |||
Under 5Â years | 16.7 (1873) | 1.00 [NA] | NA |
5–14 years | 18.4 (2062) | 1.06 [0.86, 1.32] | 0.542 |
15–24 years | 22.6 (2526) | 1.16 [0.95, 1.44] | 0.143 |
25–34 years | 18.2 (2040) | 0.97 [0.77, 1.21] | 0.776 |
35Â years and above | 24.0 (2686) | 1.01 [0.82, 1.24] | 0.947 |