| Baseline (Mean, SD)a | Follow-up (Mean, SD) | Difference | p c |
---|---|---|---|---|
Knowledge, Attitudes & Practices | ||||
 Knowledge: hygiene b | 6.07 (1.59) | 6.03 (1.57) | t(1,1662) = 0.5 | 0.614 |
 Perceived severity of worm infection | 3.56 (1.36) | 3.63 (1.36) | t(1,1642) = −0.9 | 0.330 |
 Perceived importance of washing | 2.03 (0.99) | 2.15 (1.19) | t(1,1657) = −2.3 | 0.021 |
 Frequency of washing | 3.91 (0.87) | 3.85 (0.91) | t(1,1672) = 1.2 | 0.224 |
 Frequency of unhygienic behaviour | 4.50 (0.73) | 4.37 (0.81) | t(1,1651) = 3.6 | <0.001 |
Self-efficacy | ||||
 Self-efficacy to wash | 4.32 (1.01) | 4.27 (1.00) | t(1,1647) = 0.9 | 0.347 |
 Intention to wash | 4.37 (0.99) | 4.36 (0.98) | t(1,1652) = 0.3 | 0.759 |
 Intention to use toilet | 3.78 (1.52) | 4.01 (1.42) | t(1,1635 = −3.0 | 0.003 |
Science interest and motivation | ||||
 Pros towards science | 4.62 (0.58) | 4.60 (0.64) | t(1,1667) = 0.7 | 0.504 |
 Cons towards science | 2.04 (1.06) | 2.20 (1.15) | t(1,1651) = −2.9 | 0.003 |
Communication | ||||
 Communication: hygiene | 4.11 (0.80) | 4.08 (0.84) | t(1,1658) = 0.6 | 0.547 |
 Student Engagement Classroom | 4.39 (0.91) | 4.40 (0.90) | t(1,1667) = 0.2 | 0.842 |
 Student Engagement Community | 3.96 (1.13) | 4.15 (1.06) | t(1,1661) = −3.6 | <0.001 |