표 9 / Table 9 K-VRQOL의 ANOVA 검정 결과 / Results of ANOVA test of K-VRQOL
Sum of square
df
F
Age group
1,699.023
3
3.
787
*
Voice problems history
1,545.139
1
10.
333
**
Age group×voice problems history
380.989
3
.
849
Error
1,7943.573
120
*
p
< .05,
**
p
< .01