Table 5: Correlation coefficients of the social domain scores of WHOQOL-BREF with the severity of clinical symptoms and level of functioning in bipolar disorder group at baseline, 4-, 8-, 12-month assessments.

AssessmentModelUnstandardized coefficientsStandardized coefficients value squareAdjusted squareCollinearity statistics (VIF)
St. ErBeta

4-month ( )1YMRS−0.6520.27−0.34−2.41<0.050.340.110.091.00

8-month ( )1HDRS−1.440.39−0.50−3.71<0.0010.500.250.231.00
2HDRS−1.510.37−0.52−4.13<0.0010.590.350.321.01
Sex−14.975.85−0.32−2.56<0.051.01

12-month ( )1HDRS−1.130.42−0.38−2.72<0.010.380.150.131.00

YMRS: Young Mania Rating Scale.
HDRS: Hamilton-Depression Rating Scale.