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Table 5 Canonical correlation between EORTC and other questionnaires

From: Emotional distress and dysfunctional illness perception are associated with low mental and physical quality of life in Chinese breast cancer patients

Variable EORTC

Coefficient (SE)

t-value (p)

Other variable

Coefficient (SE)

t-value (p)

Dimension 1

CC = .7802

 Global Score

−0.005 (0.003)

−1.65 (.101)

PHQ-15

0.085 (0.013)

6.77 (<.001)

 Physical Functioning

−0.004 (0.004)

−1.13 (.260)

PHQ-9

0.009 (0.013)

0.70 (.486)

 Role Functioning

−0.003 (0.003)

−1.08 (.281)

GAD-7

−0.010 (0.013)

−0.73 (.466)

  Emotional Functioning

−0.016 (0.003)

−4.88 (<.001)

WI-7

0.040 (.035)

1.15 (.250)

 Cognitive Functioning

−0.002 (0.003)

−0.61 (.543)

BIPQ

0.036 (0.006)

6.41 (<.001)

  Social Functioning

−0.008 (0.002)

−3.23 (.001)

SOC-9

−0.035 (0.007)

−5.23 (<.001)

 Fatigue

0.006(0.004)

1.49 (.138)

Karnofsky

−0.000 (0.000)

−1.15 (.251)

 Pain

0.004 (0.003)

1.39 (.165)

   

  Nausea/vomiting

0.008 (0.003)

2.68 (.008)

   

Dimension 2

CC = .5627

 Global Score

0.009 (0.006)

1.60 (.110)

PHQ-15

0.065 (0.023)

2.81 (.005)

 Physical Functioning

−0.006 (0.007)

−0.89 (.373)

PHQ-9

0.186 (0.024)

7.74 (<.001)

 Role Functioning

0.009 (0.005)

1.95 (.052)

GAD-7

−0.185 (0.024)

−7.67 (<.001)

  Emotional Functioning

0.046 (0.006)

7.51 (<.001)

WI-7

−0.006 (.063)

−0.10 (.919)

 Cognitive Functioning

−0.010 (0.006)

−1.58 (.115)

BIPQ

−0.011 (0.010)

−1.10 (.274)

 Social Functioning

−0.006 (0.004)

−1.32 (.188)

SOC-9

0.041 (0.012)

3.36 (.001)

  Fatigue

0.029 (0.007)

4.14 (<.001)

Karnofsky

−0.000 (0.000)

1.08 (.281)

 Pain

0.006 (0.005)

1.15 (.250)

   

  Nausea/vomiting

0.008 (0.005)

1.45 (.149)

   

Dimension 3

CC = .4476

 Global Score

−0.003 (0.008)

−0.39 (.699)

PHQ-15

0.148 (0.031)

4.70 (<.001)

  Physical Functioning

0.025 (0.010)

2.60 (.010)

PHQ-9

−0.100 (0.033)

−3.07 (.002)

 Role Functioning

0.007 (0.006)

1.14 (.256)

GAD-7

0.103 (0.033)

3.13 (.002)

 Emotional Functioning

−0.003 (0.008)

−0.34 (.735)

WI-7

0.167 (.086)

1.94 (.054)

 Cognitive Functioning

−0.009 (0.008)

−1.06 (.291)

BIPQ

−0.067 (0.014)

−4.82 (<.001)

  Social Functioning

0.026 (0.006)

4.44 (<.001)

SOC-9

−0.014 (0.016)

−0.83 (.406)

 Fatigue

0.003 (0.010)

0.26 (.795)

Karnofsky

0.000 (0.001)

0.51 (.608)

  Pain

0.029 (0.007)

4.06 (<.001)

   

  Nausea/vomiting

0.022 (0.007)

3.11 (.002)

   
  1. CC canonical correlation; significant parameters are presented in bold
  2. Dimensions 1–3: These three dimensions describe the three significant linear combinations between both sets of variables. Two vectors (sets) of variables and the correlations between these variables were described using linear combinations of the variables. The correlations were maximized and described in independent canonical correlations, presented here in three dimensions
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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