An evaluation of efficacy of the auto-dissemination technique as a tool for Aedes aegypti control in Madeira, Portugal

Table 5 Juvenile mortality hot and cold spots during the pre-treatment, T1 and T2 periods

Cluster	ABS	Radius (km)	Obs.	Exp.	RR	P-value	Day of treatment
Pre-treatment phase
	Space-time: no clusters
	Space only: no clusters
T1 phase
	Space-time analysis
1	1, 3, 7–12, 14–18, 22–25, 43	0.088	93	40	6.16	1 × 10⁻¹⁷	5 to 7
	Space only analysis
1	1, 3, 7–12, 14–18, 22–25, 43	0.088	100	61.3	4.06	3.8 × 10⁻¹⁰
2	38, 39	0.0045	0	8.4	0	0.0043
T2 phase
	Space-time analysis
1	1–4, 6–12, 14–18, 38, 39, 43	0.12	55	18.5	3.82	8.5 × 10⁻¹⁰	1 to 3
2	27, 33–37	0.086	4	27.2	0.13	1.8 × 10⁻⁵	6 to 10
3	19–21, 23, 28	0.025	1	13.7	0.07	0.0097	6 to 8
	Space only analysis
1	1–4, 6–11, 14–18, 38–40, 43	0.11	99	57.8	2.54	6.8 × 10⁻⁸
2	34, 36	0.013	4	22.6	0.16	6.6 × 10⁻⁵

Notes: Shown are observed (Obs.) and expected (Exp.) mortality rates (numbers of dead larvae) in significant hot and cold spots. ABS ID numbers, area covered, relative risk (RR) with associated P-values and associated timepoints are given

ISSN: 1756-3305