Table 2 Item analysis of breast Cancer Comprehensive Frailty Scale (n = 205)

1

My ability to perform daily tasks has become poor

2

I have nutrition-related health problems (e.g., loss of appetite, nausea, vomiting)

3

I have sleep-related problems (e.g., difficulty falling asleep, restless sleep, or excessive sleep)

4

I feel tired or have no energy

5

I have more diseases or health problems than people of the same age (e.g., chronic illness, pain, hearing loss, or poor vision)

6

I feel nervous, anxious or on edge

7

I can’t stop or control worrying

8

I had little interest or pleasure in doing things

9

I feel down, depressed, or hopeless

10

I am a failure or have let yourself or your family down?

11

I can’t tell the date, name of a person or place

12

I have trouble concentrating on things, such as reading the newspaper or watching television

13

I have trouble adding or subtracting calculations

14

I often have trouble understanding what people are saying

15

I feel that my memory is not as good as it should be

16

I go out less often than I did the year before

17

I go to visit friends.^#

18

I feel that I am helpful to friends or family. ^#

19

I talk to people every day (including on the phone or video). ^#

20

I often live alone. ^#