Table 1

Response rates and reasons for non-participation amongst students within control and intervention schools, at baseline, 4-month and 12-month follow up

Intervention

Control


DC1

DC2

DC3

DC1

DC2

DC3


Sampled

2484

2533

2569

2442

2437

2493

Parent refusal

12

0

2

6

0

0

Left school

9

34

60

11

20

41

Eligible

2463

2499

2507

2425

2417

2452

Data collected

2205

2201

2272

2145

2157

2200

Data missing/invalid

18

13

5

14

8

31

Excluded due to special educational needs

37

19

11

23

16

7

Child refusal

3

0

2

3

6

7

Absent

200

266

217

228

230

205

Class unavailable on day of testing

0

0

0

12

0

0


Moore et al. BMC Public Health 2007 7:258   doi:10.1186/1471-2458-7-258

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