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. 2013 Jan 11;6:6. doi: 10.1186/1756-3305-6-6

Table 3.

The relative risk, as given by the odds-ratio, for the lid types and areas for the presence of Aedes immature stages in (a) August and October and (b) December and February

(a) August and October
Month
Risk factor
Odds ratio (95% CI)
P
August
Area
 
 
 
Control
1.0
 
 
Trial
1.7 (1.4-2.1)
<0.001
 
Lid1)
 
 
 
FL
1.0
 
 
GL
0.7 (0.6-0.9)
<0.01
 
NL
1.3 (1.1-1.6)
<0.05
October
Area
 
 
 
Control
1.0
 
 
Trial
0.7 (0.5-0.9)
<0.01
 
Lid1)
 
 
 
FL
1.0
 
 
GL
1.3 (0.9-1.8)
0.1
 
NL
2.7 (2.0-3.6)
<0.001
(b) December and February
Month
Site
Risk factor
Odds ratio (95% CI)
P
December1)
Control
Lid3)
 
 
 
 
FL
1.0
 
 
 
GL
2.0 (1.4-2.8)
<0.001
 
 
NL
2.0 (1.4-2.9
<0.001
 
Trial
Lid3)
 
 
 
 
FL
1.0
 
 
 
GL
2.1 (1.2-3.6)
<0.05
 
 
NL
5.0 (3.0-8.3)
<0.001
February2)
Control
Lid3)
 
 
 
 
FL
1.0
 
 
 
GL
2.3 (1.2-4.4)
<0.01
 
 
NL
5.6 (3.4-9.3)
<0.001
 
Trial
Lid3)
 
 
 
 
FL
1.0
 
 
 
GL
1.8 (1.3-2.7)
<0.05
    NL 1.9 (1.3-2.7) <0.001

1)P value for interaction = 0.01.

2)P value for interaction = 0.003.

3) NL; no cover, GL; a lid with a gap, FL; a fitted lid.

1) NL; no cover, GL; a lid with a gap, FL; a fitted lid.