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Table 1 Sample characteristics at baseline

From: The Freiburg sport therapy program for eating disorders: a randomized controlled trial

Variable

STG (N = 15)

M (SD) / N (%)

CG (N = 11)

M (SD) / N (%)

t-test /Chi2

df

P

Sociodemographics

    

 Age

24.3 (3.4)

27.2 (8.8)

1.17

24

0.25

 Female

14 (93.3)

11 (100)

0.76

1

0.38

 School > 10 years

15 (100)

9 (81.2)

2.96

1

0.09

 BMI (kg/m2)

20.3 (2.7)

19.2 (2.1)

1.15

24

0.26

Diagnosis

 AN*

5 (33.3)

5 (45.5)

1.68

2

0.43

 BN

9 (60.0)

4 (36.4)

   

 OSFED

1 (6.7)

2 (18.1)

   

Comorbidity (axis I)

 Depression

4 (26.7)

2 (18.2)

0.25

1

0.61

 Anxiety disorder

4 (26.7)

3 (27.3)

0.00

1

0.97

 OCD

2 (13.3)

2 (18.2)

0.12

1

0.74

 Other (dysthymia)

2 (13.3)

0 (0.0)

1.59

1

0.21

Trt before randomizationa

 Current outpatient pt. (yes)

13 (93%)

11 (100%)

0.82

1

0.37

 Number of sessions

21.9 (32.6)

55.6 (42.1)

2.0

18

0.06

ED symptomatology

 EDE interview total score

3.53 (1.19)

3.45 (1.13)

- 0.17

24

0.87

 EDI-2 drive for thinness

11.87 (5.84)

11.5 (6.17)

- 0,15

23

0.88

 EDI-2 bulimia

9.14 (6.21)

5.46 (3.98)

−1.71

23

0.10

 EDI-2 body dissatisfaction

14.07 (6.52)

12.00 (8.73)

−0.68

23

0.50

Exercise pathology

 CES total scorea

113.5 (14.0)

107.5 (24.5)

−0.77

23

0.45

 CET total scorea

17.4 (1.28)

16.9 (1.30)

−1.0

23

0.33

 EDS total scorea

74.4 (16.1)

68.4 (24.1)

−0.75

23

0.46

SCL-27 GSIa

1.92 (0.62)

1.13 (0.61)

0.43

23

0.67

BDI-II total scorea

23.9 (9.05)

20.0 (7.46)

−1.14

23

0.27

IPAQa

 Walking (MET)

1732 (1749)

656 (1623)

−1.82

24

0.08

 Moderate (MET)

1421 (1463)

1287 (1276)

−0.24

24

0.81

 Vigorous (MET)

3505 (2603)

3180 (2572)

−0.32

24

0.75

 Sum (MET)

6659 (5233)

5123 (3798)

−2.54

24

0.42

Accelerometera

 Step countb

102,514 (162799)

101,092 (38409)

0.063

22

0.86

 Total energy expenditurec

14,420 (2324)

14,414 (1859)

0.007

22

0.59

 Sedentary (1 - < 1,5 MET) c

3947 (578)

4358 (903)

−1.363

22

0.19

 Light (1.5 - < 3 MET) c

1037 (322)

1077 (338)

−.298

22

0.79

 Moderate (3–6 MET) c

660 (315)

690 (338)

−.226

22

0.82

 Vigorous (>6 MET) c

152 (185)

199 (175)

−.625

22

0.54

 Moderate to Vigorous

812 (481)

890 (444)

−.400

22

0.69

  (≥3 MET) c

 Weartime [h/day/participant]

13.88 (1.62)

15.23 (3.83)

1.193

22

0.25

  1. Note: Trt treatment; AN anorexia nervosa (* STG: 93.3% restictive type; CG: 60% restictive type); BN bulimia nervosa; EDNOS eating disorder not otherwise classified; EDE Eating Disorder Examination (expert interview); EDI Eating Disorder Inventory; CES Commitment to Exercise Scale; CET Compulsive Exercise Test; EDS Exercise Dependence Scale; IPAQ International Physical Activity Questionnaire; GSI Global Severity Index, Symptom-Check-List 27; BDI- II Beck Depression Index; MET Metabolic Equivalent of Task
  2. a There were missing data from one patient
  3. b group-averaged sum of steps per participant across study week
  4. c group-averaged sum values per participant across study week