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Table 1 Pupal productivity in households by container type during the 2012 rainy season (August–September)

From: Pupal productivity in rainy and dry seasons: findings from the impact survey of a randomised controlled trial of dengue prevention in Guerrero, Mexico

 

No. of containers

% of all containers

CI

No. of pupae

Mean pupae /container

% of total pupal productivity

Intervention clusters

Water storage containers

21,291

97.3

7.0

2365

0.11

91

Pots, tyres etc

596

2.7

25

233

0.39

9

All containers

21,887

100

7.5

2598

0.12

100

Control clusters

Water storage containers

18,156

98.5

11.2

4175

0.23

93.4

Pots, tyres etc

280

1.5

37.5

297

1.06

6.64

All containers

18,436

100

11.5

4472

0.24

100

All clusters

Water storage containers

39,447

97.8

8.4

6540

0.17

92.5

Pots, tyres etc

876

2.2

50

530

0.61

7.5

All containers

40,323

100

9.3

7070

0.18

100

  1. CI container index (number of containers with any larvae or pupae, divided by the total number of containers in that category × 100)