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Table 3 Correlation strength of patient’s socio-demographics or clinical characteristics with Quality of life (QoL) subscale score 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

Patient characteristics MH RE VT SF PF RP BP GH
Schizophrenia
 Age 0.35*,a 0.21 0.09 0.02 0.37*,a 0.16 −0.10 0.19
 Female vs male −0.07 − 0.11 − 0.11 − 0.11 0.01 0.11 0.00 0.02
 Malay vs Chinese −0.26* − 0.23* 0.06 − 0.18 − 0.43*,a − 0.07 −0.14 0.01
 Indian vs Chinese −0.21 − 0.12 0.15 − 0.05 − 0.30*,a − 0.05 − 0.14 − 0.02
 Others vs Chinese − 0.21 − 0.15 0.11 − 0.11 − 0.34*,a −0.06 − 0.05 −0.04
 Buddhism vs Christianity 0.00 0.01 −0.02 − 0.01 − 0.04 −0.09 − 0.01 −0.12
 Islam vs Christianity 0.21 0.14 −0.13 0.05 0.32*,a −0.07 0.04 0.11
 Hinduism vs Christianity 0.03 0.06 −0.24* − 0.03 0.24* 0.02 0.00 −0.03
 Taoism vs Christianity 0.08 0.05 0.06 −0.01 − 0.12 − 0.14 0.00 0.05
 School years 0.05 0.02 0.17 0.12 0.20 0.20 0.04 0.02
 Married vs single 0.06 0.00 0.05 0.10 −0.18 0.20 −0.04 0.02
 Separated vs single 0.01 0.08 0.15 0.04 −0.25* − 0.02 −0.10 0.01
 Divorced vs single −0.11 −0.16 − 0.06 0.04 − 0.01 0.12 0.05 0.01
 Widowed vs single N/A N/A N/A N/A N/A N/A N/A N/A
 No children vs with children 0.02 0.07 0.05 0.03 0.00 0.15 −0.09 0.01
 Economic house vs private house 0.02 0.24* −0.05 − 0.16 0.13 0.09 0.00 −0.01
 Unemployed vs employed − 0.15 − 0.17 − 0.04 − 0.14 − 0.06 − 0.06 − 0.10 − 0.02
 High income vs low income − 0.06 − 0.03 − 0.02 − 0.04 − 0.06 0.06 0.05 −0.03
 Without comorbid physical illness vs with comorbid physical illness −0.08 − 0.09 0.03 − 0.01 0.08 0.03 0.02 0.13
 Without taking medicine vs with taking medicine −0.08 − 0.01 0.16 − 0.18 − 0.24* − 0.24* − 0.07 − 0.08
 Never smoker vs ex-smoker 0.04 0.11 − 0.01 0.15 0.07 0.11 0.19 −0.02
 Current smoker vs ex-smoker 0.16 0.01 0.16 0.10 0.08 0.15 0.19 0.02
 Duration of mental illness −0.30*,a −0.26* − 0.09 0.01 −0.38*,a − 0.30*,a 0.06 − 0.21
MDD
 Age 0.00 0.07 0.06 −0.03 −0.33*,a −0.12 − 0.14 0.11
 Female vs male −0.26* −0.02 − 0.27* −0.08 − 0.04 −0.06 − 0.01 −0.15
 Malay vs Chinese 0.10 0.19 0.08 0.11 −0.08 0.13 0.04 −0.04
 Indian vs Chinese 0.18 0.09 −0.01 0.03 −0.09 0.03 −0.07 −0.05
 Others vs Chinese −0.03 0.05 0.02 −0.09 0.04 0.16 −0.10 0.06
 Buddhism vs Christianity 0.08 0.05 −0.05 0.15 0.03 0.23*,a 0.07 0.01
 Islam vs Christianity 0.09 −0.20 0.03 −0.07 0.10 −0.11 0.01 0.18
 Hinduism vs Christianity −0.17 0.08 0.10 −0.07 −0.02 − 0.06 −0.04 0.12
 Taoism vs Christianity −0.07 0.24*,a −0.13 0.11 0.04 0.16 0.19 0.04
 School years 0.21 0.04 −0.04 0.14 0.02 −0.05 −0.07 − 0.17
 Married vs single −0.04 − 0.14 0.12 − 0.16 −0.07 − 0.08 −0.05 − 0.05
 Separated vs single 0.15 0.06 0.00 −0.01 0.03 0.15 0.17 0.02
 Divorced vs single 0.03 0.02 0.17 0.07 −0.17 −0.08 −0.06 0.03
 Widowed vs single 0.04 −0.02 0.08 −0.06 −0.07 − 0.04 0.11 − 0.08
 No children vs with children 0.00 0.01 0.03 −0.11 −0.16 0.05 0.00 0.07
 Economic house vs private house −0.09 −0.08 − 0.03 0.04 0.09 0.13 −0.02 −0.14
 Unemployed vs employed 0.05 −0.11 0.07 0.03 0.10 0.12 −0.02 0.08
 High income vs low income −0.05 0.07 0.00 −0.12 0.28* 0.23* 0.12 0.16
 Without comorbid physical illness vs with comorbid physical illness 0.13 0.12 0.19 0.15 0.25* 0.01 0.45* 0.34*
 Without taking medicine vs with taking medicine −0.05 0.16 0.02 0.27* 0.14 0.19 −0.13 0.06
 Never smoker vs ex-smoker 0.02 −0.06 0.07 −0.10 0.01 0.03 −0.06 0.00
 Current smoker vs ex-smoker −0.21 −0.11 0.01 −0.05 − 0.08 −0.03 − 0.09 −0.13
 Duration of mental illness 0.29* 0.05 0.16 0.11 −0.11 −0.12 − 0.16 −0.01
  1. N/A Not available
  2. *P < 0.05
  3. aAbsolute value of correlation coefficient 0.30 ≤ r < 0.50