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. 2021 Oct 7;9(10):e31748. doi: 10.2196/31748

Table 1.

Comparison of STAI Form Y-1 and VAS scores before and after scenario completion (N=150).


Mobile app (n=73), mean (SD) Conventional method (n=76), mean (SD) Difference (95% CI)a P value
STAIb

Preintervention 36.1 (8.1) 35.4 (8.2) 0.8 (−1.7 to 3.3) .55

Postintervention 39.0 (8.4) 49.8 (13.2) −11.4 (−14.7 to −8.0) <.001



Relative change (% of preintervention) 12.3 (29) 43.1 (35) −30.1 (−39.8 to −20.5) <.001
VASc

Preintervention 4.2 (2.5) 3.9 (2.2) 0.3 (−0.4 to 1.0) .35

Postintervention 6.4 (1.9) 7.1 (1.8) −0.8 (−1.3 to −0.2) .006

aLinear regression models adjusted for center; in addition, differences in postintervention and relative change were adjusted for the preintervention values.

bSTAI: State-Trait Anxiety Inventory.

cVAS: visual analogue scale.