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Study design
| t1 a | t2 | |
|---|---|---|
| Game | y G1 | y G2 |
| Leaflet | y L1 | y L2 |
| Control | y C1 | y C2 |
aPre-intervention study [12]
Y G1 and Y G2 = intervention effect of game on t1 and t2, respectively
Y L1 and Y L2 = intervention effect of leaflet on t1 and t2, respectively
Yc 1 and Yc 2 = effect in control group on t1 and t2, respectively
