|
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