Table 9 Results of the independent t-tests of the mean change scores from baseline to follow-up of the control and intervention groups

EQ5D Descriptive Score (− 1–1)

Control

4

0.68 (0.09)

0.78 (0.19)

0.10 (0.17)

0.13 (0.10)

 − 0.13; 0.38

Intervention

4

0.80 (0.06)

0.77 (0.80)

 − 0.03 (0.12)

EQ5D VAS (0–100)

Control

4

65.00 (17.80)

83.13 (12.81)

18.13 (13.44)

18.13 (16.74)

 − 22.75; 59.10

Intervention

4

85.00 (12.68)

85.00 (23.45)

0 (30.67)

Stoma-QOL now (0–100)

Control

3

66.67 (23.09)

65.83 (27.42)

 − 0.83 (25.54)

 − 5.58 (12.57)

 − 37.90; 26.74

Intervention

4

89.00 (8.60)

93.75 (6.29)

4.75 (4.11)

Stoma-QOL past month (0–100)

Control

3

71.67 (20.21)

65.83 (27.42)

 − 5.83 (17.01)

 − 18.83 (10.43)

 − 47.80; 10.14

Intervention

3

82.00 (10.82)

95.00 (5.00)

13.00 (6.08)

Stoma-QOL work/social function (0–100)

Control

0

–

–

–

–

–

Intervention

2

87.50 (5.89)

75.00 (5.89)

 − 12.50 (0)

Stoma-QOL sexuality/body image (0–100)

Control

1

30.00

35.00

5.00

12.50 (4.33)

 − 42.52; 67.52

Intervention

2

82.50 (10.60)

75.00 (14.14)

 − 7.50 (3.54)

Stoma-QOL stoma function (0–100)

Control

4

46.88 (19.06)

42.71 (22.41)

 − 4.17 (5.89)

 − 22.92 (7.12)

 − 40.33; − 5.51

Intervention

4

55.21 (17.47)

73.96 (18.44)

18.75 (12.96)

Stoma-QOL financial concerns (0–100)

Control

4

87.50 (25.00)

87.50 (25.00)

0 (0)

–

–

Intervention

4

100.00

100.00

0 (0)

Stoma-QOL skin irritation (0–100)

Control

4

50.00 (20.41)

25.00 (20.41)

 − 25.00 (35.36)

 − 43.75 (21.35)

 − 95.99; 10.28

Intervention

4

43.75 (31.46)

62.50 (25.00)

18.75 (23.94)

Body Image Scale (0–30)

Control

4

10.75 (6.65)

11.25 (5.32)

0.50 (1.73)

2.75 (2.85)

 − 4.23; 9.73

Intervention

4

7.00 (4.16)

4.75 (2.22)

 − 2.25 (5.44)

Self-efficacy (1–10)

Control

3

3.33 (1.33)

4.50 (1.80)

1.17 (1.92)

 − 0.02 (1.05)

 − 2.72; 2.68

Intervention

4

8.38 (0.63)

9.56 (0.55)

1.19 (0.83)

Patient-Specific Functional Scale (0–10)

Control

3

3.21 (0.66)

2.94 (0.42)

 − 0.27 (0.69)

1.57 (0.80)

 − 1.86; 4.99

Intervention

1

5.33

3.50

 − 1.83

Physical activity

Control

4

286.00 (452.79)

297.50 (259.28)

11.50 (406.87)

322.75 (439.25)

 − 752.04; 1397.54

Intervention

4

731.25 (598.67)

420.00 (519.47)

 − 311.25 (778.59)

Ability to manage bulge/hernia

Control

4

5.75 (3.20)

4.25 (1.71)

 − 1.50 (1.73)

 − 4.17 (1.80)

 − 8.79; 0.45

Intervention

3

5.33 (1.16)

8.00 (2.00)

2.67 (3.06)

Body image in relation to bulge/hernia

Control

4

2.75 (2.50)

1.00 (1.41)

 − 1.75 (1.89)

 − 2.50 (2.94)

 − 9.69; 4.67

Intervention

4

4.75 (4.27)

5.50 (1.73)

0.75 (5.56)