Table 1

Participation and consent rates

School
(eligible sample)
Parent/guardian consent forms returned, n (%)Student saliva samples,
n (%)
Routine data sets linkage, N (%)School questionnaire data linkage, N (%)Routine data sets and school questionnaire linkage, N (%)
School 1 (n=246)34 (13.82)31 (12.60)29 (11.79)30 (12.20)29 (11.79)
School 2 (n=157)27 (17.20)24 (15.29)24 (15.29)21 (13.38)21 (13.38)
School 3 (n=465)37 (7.96)35 (7.53)35 (7.53)29 (6.24)29 (6.24)
Total (n=868)98 (11.29)90 (10.37)88 (10.14)80 (9.22)79 (9.10)
  • Note: % of eligible sample.