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Table 4 Correlation of psychiatric symptoms with Quality of life (QoL) subscales among patients with schizophrenia or major depressive disorder (MDD)

From: Subjective quality of life among patients with schizophrenia spectrum disorder and patients with major depressive disorder

Clinical symptoms MH RE VT SF PF RP BP GH
Schizophreniaa
 Positive factor −0.23* − 0.19 −0.02 − 0.31*,b −0.12 − 0.26* −0.27* − 0.01
 Negative factor −0.18 − 0.17 −0.15 − 0.01 −0.06 − 0.06 −0.03 − 0.03
 Excitement factor −0.08 0.00 −0.09 − 0.08 −0.05 − 0.11 −0.17 − 0.14
 Depression factor −0.45*,b − 0.18 −0.46*,b − 0.06 −0.11 − 0.07 −0.10 − 0.38*,b
 Cognitive factor −0.01 − 0.19 −0.04 − 0.06 −0.01 − 0.04 −0.01 − 0.07
MDD#
 Clinical symptoms MH RE VT SF PF RP BP GH
 Depressive symptoms −0.80*,c −0.67*,c −0.70*,c − 0.73*,c −0.42*,b − 0.60*,c −0.56*,c − 0.57*,c
  1. aAdjusted for age, gender, race, religion, school years, marital status, children, residence, employment status, income, comorbid physical disease, currently taking medicine, duration of mental disease, smoking status and age of onset of mental illness
  2. *P < 0.05
  3. bAbsolute value of correlation coefficient 0.30 ≤ r < 0.50
  4. cAbsolute value of correlation coefficient r ≥ 0.50