Table 3 Hierarchical multiple regression results of QOL among breast cancer patients

Constant

81.898

108.867

39.780

66.336

Age

 ≤ 45

0

–

–

0

–

–

0

–

–

0

–

–

 46–55

− 0.170

0.464

0.047

− 0.165

0.464

0.036

− 0.134

0.464

0.074

− 0.136

0.464

0.056

 ≥ 56

− 0.133

0.501

0.165

− 0.138

0.501

0117

− 0.093

0.501

0.272

− 0.102

0.501

0.200

Education level

 Middle school or under

0

–

–

0

–

–

0

–

–

0

–

–

 Senior high school

0.018

0.494

0.803

0.087

0.494

0.185

0.002

0.494

0.976

0.056

0.494

0.343

 Undergraduate or above

− 0.115

0.421

0.127

− 0.044

0.421

0.532

− 0.100

0.421

0.132

− 0.049

0.421

0.441

Principal caregiver

 Spouse

0

–

–

0

–

–

0

–

–

0

–

–

 Adult children

0.095

0.464

0.261

0.098

0.464

0.210

0.197

0.464

0.009

0.183

0.464

0.011

 Relatives

− 0.101

0.500

0.216

− 0.060

0.500

0.430

0.007

0.500

0.927

0.022

0.500

0.752

Current recurrence

 Yes

0.139

0.314

0.028

0.132

0.314

0.023

0.110^*

0.314

0.047

0.109

0.314

0.037

 No

0

–

–

0

–

–

0

–

–

0

–

–

FOP

0

–

–

− 0.391

8.758

0.000

0

–

–

− 0.293

8.758

0.000

Social support

0

–

–

0

–

–

0.472

11.769

0.000

0

–

–

Social support

0

–

–

0

–

–

0

–

–

0.401

11.769

0.000

F

3.238

0.003

8.891

0.000

12.594

0.000

15.709

0.000

Adjusted R²

0.061

0.206

0.276

0.353

ΔR²

0.088

0.145

0.212

0.144