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Table 1 Demographic and clinical characteristics of the study participants

From: Mapping function from FACT-B to EQ-5D-5 L using multiple modelling approaches: data from breast cancer patients in China

Characteristic Groups N %
Age, year <45 74 16.59
45~54 215 48.21
55~64 138 30.94
≥65 19 4.26
Nationality Han nationality 438 98.21
Minority 8 1.79
Education level Elementary and below 144 32.29
Junior high school 150 33.63
Senior high school 88 19.73
Undergraduate or over 64 14.35
Marital status Single 7 1.57
Married 411 92.15
Divorced/separated 14 3.14
Widowed 14 3.14
Account location Rural 220 49.33
Urban 226 50.67
Health-care insurance Urban employees 193 43.27
Urban residents 54 12.11
New rural cooperative scheme 177 29.69
Other 22 4.93
Occupation Public sector employee 28 6.28
Enterprise or company employee/worker 28 6.28
Self-employed 23 5.16
Farmer/worker 123 27.58
Unemployed 148 33.18
Retiree 96 21.52
Household income in 2017, Chinese Yuan <30,000 234 52.47
30,000~80,000 148 33.18
80,000~ 150,000 45 10.09
≥150,000 19 4.26
Course of disease,month ≤12 133 29.82
13~36 147 32.96
37~60 78 17.49
≥61 88 19.73
TNM stage 0 17 3.81
I 72 16.14
II 224 50.22
III 99 22.20
IV 34 7.62
Hormone receptor (ER/PR) Positive 306 68.61
Negative 78 17.49
Mixed 56 12.56
Unkonwn/missing 6 1.35
HER2 Positive 355 79.60
Negative 81 18.16
Unkonwn/missing 10 2.24
Inpatient/Outpatient Outpatient 376 84.30
Inpatient 70 15.71
Surgical therapy Breast conserving surgery 101 22.65
Modified radical surgery 331 74.22
Unsurgical 14 3.14
Chemotherapy No 37 8.30
Yes 409 91.70
Radiotherapy No 175 39.24
Yes 271 60.76
Targeted therapy No 403 90.36
Yes 43 9.16
Endocrine therapy No 139 31.17
Yes 307 68.83
Menopause No 63 14.13
Yes 383 85.87
Disease state Primary breast cancer within one year (state P) 125 28.03
Primary and recurrent breast cancer for the second year and above (state S) 258 57.85
Recurrent breast cancer within one year (state R) 20 4.48
Metastatic cancer (state M) 43 9.64