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Table 2 Sample Characteristics

From: Bouldering psychotherapy is more effective in the treatment of depression than physical exercise alone: results of a multicentre randomised controlled intervention study

Variable

BPT (n = 64)

EP (n = 69)

Total (n = 133)

Test of group differences

F/χ2

T/ U

p

Age a, M (SD)

41.0

(12.2)

42.8

(12.7)

42.0

(12.5)

 

2025.00

.410

Sex: female, n (%)

45

(70.3)

47

(68.1)

92

(69.2)

0.08

 

.784

School education, n (%)

      

0.36

 

.550

  < 9 years

0

(0.0)

1

(1.4)

1

(0.8)

   

 9 years

6

(9.4)

4

(5.8)

10

(7.5)

   

 10 years

16

(25.0)

24

(34.8)

40

(30.1)

   

  ≥ 12 years

42

(65.6)

40

(58.0)

82

(61.7)

   

BMI a, M (SD)

23.8

(3.3)

24.8

(4.3)

24.3

(3.9)

 

1883.50

.144

Attitude towards sports: positive, n (%)

62

(96.9)

68

(98.6)

130

(97.7)

0.42

 

.516

Additional psychotherapy: yes, n (%)

38

(59.4)

24

(34.8)

62

(46.6)

8.07

 

.005*

Antidepressants: yes, n (%)

32

(50.0)

33

(47.8)

65

(48.9)

0.06

 

.802

First depressive episode: yes, n (%)

15

(23.4)

21

(30.4)

36

(27.1)

0.82

 

.364

Number of depressive episodes b, n (%)

      

0.01

 

.941

 1–2

5

(8.9)

10

(18.2)

15

(13.5)

   

 3–4

14

(25.0)

5

(9.1)

19

(17.1)

   

 5–10

6

(10.7)

9

(16.4)

15

(13.5)

   

  < 10 or chronic depression (>  2 years)

31

(55.4)

31

(56.4)

62

(55.9)

   

Additional morbidities c, MDN (IQR)

0

(1)

0

(1)

0

(1)

 

2161.50

.812

Baseline measures (t0)

 Depression

  MADRS, M (SD)

23.5

(8.9)

22.2

(9.1)

22.8

(9.0)

 

−0.81

.421

  PHQ-9, M (SD)

13.5

(5.5)

13.2

(5.0)

13.4

(5.2)

 

−0.31

.756

 Anxiety (GAD-7), M (SD)

11.0

(4.2)

11.3

(4.2)

11.1

(4.2)

 

0.50

.618

 Body Image (FKB-20), M (SD)

24.0

(6.7)

23.3

(6.2)

23.7

(6.4)

 

0.63

.533

 Global self-esteem (R-SES) a, M (SD)

13.3

(5.6)

14.2

(5.1)

13.8

(5.4)

 

1961.50

.266

 Coping (FERUS), M (SD)

33.2

(7.5)

33.9

(6.8)

33.6

(7.1)

 

0.59

.558

 Interpersonal sensitivity (SCL-90) a, M (SD)

68.9

(8.6)

69.0

(7.5)

68.9

(8.0)

 

2208.00

1.00

  1. Note. BMI Body Mass Index; MADRS Montgomery and Åsberg Depression Rating Scale; PHQ-9 Patient Health Questionnaire 9 Items; GAD-7 Generalised Anxiety Disorder 7; FKB-20 Body Image Questionnaire; R-SES Rosenberg Self-Esteem Scale; FERUS Questionnaire on Resources and Self-Management Skills; SCL-90 Symptom-Checklist; MADRS scores > 31 indicate severe depression, scores ≤10 indicate remission; PHQ-9 0–4: minimal depression, 5–9: mild depression, 10–14: moderate depression, 15–19: moderately severe depression, 20–27: severe depression; GAD-7 scores ≥5, ≥ 10, and ≥ 15 indicate mild, moderate, and severe anxiety symptoms
  2. a the Kolmogorov-Smirnov test indicated a significant deviation from a normal distribution, but no deviation was observed via histograms; therefore, the mean value (M) and standard deviation (SD) is reported; bn = 211 (22 missing values); c both the Kolmogorov-Smirnov test and an optical inspection (histogram) indicated a significant deviation from a normal distribution; therefore, the median (MDN) and the interquartile range (IQR) are reported; * p ≤ .05