Table 1 Summary of participant characteristics.

Age

Under 60 yrs

84 (80%)

Over 60 yrs

21 (20%)

Range (Median)

29 – 77 years (52yrs)

Age range 29–77 yrs median 52 yrs

 < 60 years

27

32.1

31

36.9

26

31.0

84

80.0

 > 60 years

8

38.1

4

19.0

9

42.9

21

20.0

Ethnicity

White British

15

42.9

15

42.9

19

54.3

49

46.7

White Scottish

17

48.6

18

51.4

16

45.7

51

48.6

White-Other

1

2.9

1

2.9

0

0

2

1.9

Asian/Asian British

0

0

1

2.9

0

0

1

1.0

Black/Black British-African

2

5.7

0

0

0

0

2

1.9

Regime

TC

8

22.9

8

22.9

14

40.0

30

28.6

FEC-D

27

77.1

27

77.1

21

60.0

75

71.4

Treatment

Adjuvant

22

62.9

21

40.0

29

82.9

72

68.6

Neo-adjuvant

13

37.1

14

40.0

6

17.1

33

31.4

Trastuzumab

Yes

13

37.1

8

22.9

15

42.9

36

35.2

No

21

60.0

27

77.1

20

57.1

68

64.8

Smoker status

Smoker

4

11.4

6

17.1

2

5.7

12

11.4

Ex-smoker

3

8.6

4

11.4

6

17.1

13

12.4

Non-smoker

26

74.3

21

60.0

23

65.7

71

67.6

Comorbidity

Present

5

14.3

9

25.7

12

34.3

26

24.8

Not present

29

82.9

26

74.3

21

60.0

76

72.4

Job status

Employed

21

60

24

68.6

23

65.7

68

64.8

Unemployed/retired

14

40

11

31.4

12

34.3

37

35.2

Occupation If employed

Administration

5

23.8

10

41.6

5

21.6

20

19.0

Professional/ academic

6

28.5

4

16.6

2

8.6

12

11.4

Support work

e.g., carer/housewife

3

14.3

3

12.5

4

17.3

10

9.6

Management

2

9.5

2

8.3

4

17.3

8

7.7

Sales/retail

3

14.3

2

8.3

2

8.6

7

6.7

Hospitality

0

0

1

4.2

4

17.3

5

4.8

Other

2

9.5

3

8.3

3

13.0

6

5.7