Table 2 Baseline characteristics

N

52

104

156

9

23

43

81

Withdrew at baseline

2

2

4

Age in years:

mean (SD [MS]

68 (11) [0]

69 (9) [1]

69 (9) [1]

67 (8) [0]

68 (8) [1]

69 (11) [0]

70 (9) [0]

min, max

38, 87

47, 92

38, 92

53, 77

55, 83

38, 87

47, 92

Sex: N (%) [MS]

Female

21 (43) [1]

39 (39) [2]

60 (40) [3]

1 (11) [0]

6 (29) [2]

21 (50) [1]

33 (41) [0]

Intrathoracic tumour: N (%)

[0 MS]

[2 MS]

[2 MS]

[0 MS]

[2 MS]

[0 MS]

[0 MS]

Non-small cell

14 (28)

21 (21)

35 (23.3)

4 (44)

5 (24)

11 (26)

17 (21)

Small cell

1 (2)

4 (4)

5 (3.3)

2 (9)

1 (2)

2 (2)

Lung (histology not stated)

30 (60)

63 (63)

93 (62)

5(56)

13 (62)

26 (60)

51 (63)

Mesothelioma

4 (8)

8 (8)

12 (8)

1 (5)

4 (9)

7 (9)

Other

1 (2)

4 (4)

5 (3.3)

1 (2)

4 (5)

Metastases: N (%) [MS]

Yes

9 (19) [2]

14 (16) [12]

23 (17) [14]

1 (14) [2]

5 (29) [6]

8 (19) [1]

9 (12) [6]

Preference: N (%)

[0 MS]

[1 MS]

[1 MS]

[0 MS]

[1 MS]

[0 MS]

[0 MS]

High

14 (28)

20 (20)

34 (22.5)

1 (11)

3 (14)

13 (30)

17 (21)

Low

8 (16)

26 (26)

34 (22.5)

3 (33)

5 (23)

6 (14)

22 (27)

No preference

28 (56)

55 (54)

83 (55)

5 (56)

14 (64)

24 (56)

42 (52)

Smoking: N (%)

[0 MS]

[2 MS]

[2 MS]

[1 MS]

[1 MS]

[0 MS]

[1 MS]

Never

6 (12)

7 (7)

13 (9)

6 (14)

7 (9)

Current

7 (14)

16 (16)

23 (15)

2 (25)

3 (14)

5 (12)

13 (16)

Ex-smoker

37 (74)

77 (77)

114 (76)

6 (75)

19 (86)

32 (74)

60 (75)

Karnofsky

Mean (SD) [MS]

70.6 (9.0) [3]

70.6 (9.9) [7]

70.6 (9.5) [10]

62.5 (8.9) [1]

63.8 (13.2) [2]

71.7 (8.6) [2]

72.2 (7.9) [5]

Breathlessness scores NRS: mean (SD) [MS]

Worst

6.7 (2.0) [6]

6.9 (1.9) [12]

6.8 (1.9) [18]

7.6 (1.8) [1]

7.4 (1.8) [3]

6.6 (2.0) [6]

6.7 (1.9) [10]

Average

5.4 (1.8) [6]

5.6 (1.6) [13]

5.5 (1.7) [19]

6.0 (1.3) [1]

6.6 (2.0) [3]

5.3 (1.9) [6]

5.3 (1.4) [11]

Distress

4.7 (2.8) [7]

4.6 (3.1) [12]

4.6 (3.0) [19]

4.5 (2.3) [1]

5.7 (3.0) [3]

4.7 (2.8) [7]

4.3 (3.1) [10]

Cope

6.4 (2.1) [6]

7.0 (2.1) [12]

6.8 (2.1) [18]

6.3 (2.4) [1]

6.3 (2.1) [3]

6.5 (2.0) [6]

7.2 (2.1) [10]

Care provided

6.3 (3.4) [9]

6.5 (3.4) [20]

6.5 (3.4) [29]

5.6 (2.8) [2]

6.0 (3.6) [4]

6.3 (3.6) [8]

6.8 (3.3) [17]

Chronic Respiratory Questionnaire – SAS: mean (SD) [MS]

Dyspnoea domain

4.41 (1.25) [0]

4.38 (1.31) [1]

4.39 (1.30) [1]

3.95 (1.32) [1]

4.38 (1.43) [1]

4.50 (1.22) [0]

4.38 (1.27) [0]

Fatigue

3.02 (0.95) [0]

3.32 (1.11) [2]

3.22 (1.07) [2]

2.72 (0.81) [1]

2.94 (1.14) [2]

3.06 (0.97) [0]

3.41 (1.08) [0]

Emotional function

4.17 (1.10) [0]

4.50 (1.28) [2]

4.39 (1.23) [2]

3.54 (1.12) [1]

3.81 (1.38) [2]

4.26 (1.09) [0]

4.68 (1.17) [0]

Mastery

3.90 (1.19) [0]

4.48 (1.17) [2]

4.2 9 (1.20) [2]

2.94 (0.50) [1]

3.78 (1.35) [2]

4.06 (1.19) [0]

4.66 (1.03) [0]

Hospital Anxiety and Depression Scale (HADS): mean (SD) [MS]

Anxiety

7.6 (4.3) [0]

6.1 (4.4) [4]

6.6 (4.3) [4]

8.5 (4.8) [1]

8.4 (5.0) [3]

7.6 (4.3) [0]

5.6 (3.7) [1]

Depression

6.6 (3.0) [0]

6.2 (3.9) [2]

6.3 (3.6) [2]

8.1 (2.2) [1]

7.9 (4.9) [2]

6.4 (3.1) [0]

5.8 (3.5) [0]

Big Five Inventory (BFI): [MS] mean (SD)

[0]

[4]

[4]

[1]

[4]

[0]

[1]

Extraversion

3.06 (0.75)

3.30 (0.83)

3.22 (0.81)

3.11 (0.94)

3.00 (0.78)

3.05 (0.71)

3.37 (0.82)

Agreeableness

4.22 (0.53)

4.16 (0.64)

4.18 (0.60)

3.96 (0.65)

3.99 (0.91)

4.26 (0.49)

4.20 (0.55)

Conscientiousness

4.00 (0.64)

4.11 (0.61)

4.07 (0.62)

3.90 (0.60)

3.94 (0.69)

4.00 (0.66)

4.16 (0.59)

Neuroticism

2.64 (0.83)

2.51 (0.88)

2.55 (0.86)

3.01 (0.89)

2.93 (1.08)

2.60 (0.82)

2.40 (0.80)

Openness

3.32 (0.75)

3.30 (0.70)

3.31 (0.71)

3.09 (0.81)

3.11 (0.81)

3.34 (0.75)

3.34 (0.67)

Mental Toughness Questionnaire (MTQ48): [MS] mean (SD)

[1]

[4]

[5]

[3]

[5]

[0]

[0]

Challenge

3.7 (0.7)

3.8 (0.7)

3.78 (0.7)

3.7 (0.7)

3.7 (0.8)

3.7 (0.7)

3.8 (0.6)

Commitment

3.6 (0.7)

3.8 (0.6)

3.7 (0.6)

3.5 (0.7)

3.5 (0.8)

3.6 (0.7)

3.8 (0.6)

Control emotion

3.3 (0.6)

3.3 (0.6)

3.3 (0.6)

3.3 (0.4)

3.1 (0.8)

3.25 (0.7)

3.3 (0.6)

Control life

3.6 (0.7)

3.7 (0.7)

3.7 (0.7)

3.7 (0.9)

3.5 (0.8)

3.59 (0.7)

3.77 (0.6)

Confidence abilities

3.6 (0.6)

3.7 (0.6)

3.7 (0.6)

3.7 (0.5)

3.5 (0.8)

3.6 (0.6)

3.68 (0.6)

Confidence interpersonal

3.72 (0.82)

3.84 (0.75)

3.80 (0.77)

4.12 (0.99)

3.83 (0.66)

3.67 (0.79)

3.83 (0.78)

Pre-randomisation patient stated preference for study allocation: [MS] N (%)

[0]

[1]

[1]

[0]

[1]

[0]

[0]

Three sessions

14 (28)

20 (20)

34 (22.5)

1 (11)

3 (14)

13 (30)

17 (21)

Single session

8 (16)

26 (26)

34 (22.5)

3 (33)

5 (23)

6 (14)

22 (27)

No preference

28 (56)

55 (54)

83 (55)

5 (56)

14 (64)

24 (56)

42 (52)