Table 4 Estimated outcomes of mix linear model by intervention, time, and their interactions

GAD-7: AIC = 1089.692, BIC = 1125.676

Group IG to CG

0.330

-0.622(-1.884~0.640)

Time t0 to t2

< 0.001^*

1.067(0.521~1.612)

Time t1 to t2

< 0.001^*

1.778(0.710~1.645)

Interaction IG*t0

0.090

0.667(-0.105~1.438)

Interaction IG*t1

0.894

0.444(-0.617~0.706)

LSIZ: AIC = 1113.972, BIC = 1149.956

Group IG to CG

0.091

0.822(-0.135~1.780)

Time t0 to t2

< 0.001^*

-2.356(-3.041~-1.670)

Time t1 to t2

< 0.001^*

-2.400(-3.060~-1.740)

Interaction IG*t0 to others

0.059

-0.933(-1.903~0.036)

Interaction IG*t1 to others

0.084

0.822(-0.112~1.756)