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Table 1 Demographic and clinical features of those who completed treatment and those who did not complete treatment

From: Pre-treatment predictors of attrition in a randomised controlled trial of psychological therapy for severe and enduring anorexia nervosa

Feature

Completers

Non completers

Total

Statistical result

 

n = 48

n = 15

n = 63

 
 

n (%)

χ 2, df, p

Anorexia Nervosa Purging type

8 (16.6%)

8 (53.3%)

16 (25.4%)

8.11, 1, 0.008*

Graduate education

32 (67%)

8 (57%)

40 (64%)

0.43, 1, 0.36

Randomised to CBT therapy

22 (46%)

9 (60%)

31 (49%)

0.92, 1, 0.34

 

Mean (SD)

t, df, p

EDE global score

2.78 (1.28)

3.70 (1.45)

3.00 (1.37)

2.34, 61, 0.01

EDE restraint score

2.86 (1.81)

3.90 (1.27)

3.11 (1.75)

2.05, 61, 0.023

EDE eating concern score

2.62 (1.49)

3.28 (1.54)

2.78 (1.52)

1.49, 61, 0.07

EDE shape concern score

3.08 (1.36)

4.04 (1.71)

3.31 (1.50)

2.23, 61, 0.015

EDE weight concern score

2.56 (1.62)

3.57 (1.96)

2.80 (1.75)

2.01, 61, 0.024

SF 12 physical health component score

48.55 (9.70)

50.29 (6.75)

48.99 (9.03)

0.87, 61, 0.19

SF 12 mental health component score

33.39 (12.55)

27.44 (10.20)

31.88 (12.20)

−1.49, 61, 0.07

BDI total Score

25.04 (14.10)

30.44 (12.59)

26.41 (13.84)

1.20, 61, 0.12

EDQOL psychological score

2.53 (0.75)

3.08 (0.67)

2.66 (0.77)

2.53, 61, 0.007*

EDQOL physiological cognitive score

2.09 (0.88)

2.31 (0.31)

2.14 (0.78)

0.88, 61, 0.19

EDQoL Work & school score

0.61 (0.68)

1.29 (0.65)

0.78 (0.73)

3,18, 52, 0.002*

EDQoL Financial score

0.48 (0.69)

1.14 (0.71)

0.63 (0.74)

3.12, 61, 0.002*

EDQoL Total score

1.67 (0.60)

2.21 (0.38)

1.81 (0.60)

3.06, 61, 0.002*

Work and Social Adjustment Scale Total score

16.98 (10.36)

22.69 (8.05)

18.43 (10.08)

1.94, 61, 0.029

ANSOQ Total score

2.59 (0.58)

2.48 (0.63)

2.56 (0.59)

0.89, 61, 0.18

ANSOCQ Weight gain score

2.19 (0.73)

1.98 (0.79)

2.14 (0.74)

1.11, 61, 0.14

ANSOCQ Eating, Weight and Shape score

2.82 (0.66)

2.77 (0.58)

2.81 (0.64)

.44, 61, 0.32

ANSOCQ Ego –Alien Aspects score

2.79 (0.69)

2.72 (0.77)

2.77 (0.71)

.591, 61, 0.27

 

Median (IQ range)

Mann–Whitney UZ, p

Duration of illness/years

14 (9–19.8)

19 (14–26)

14 (9–23)

1.74, 0.041

  1. Probability levels are one-tailed, *p < 0.01, CBT = Cognitive Behaviour Therapy, EDE = Eating Disorder Examination [22], SF = Short-Form [25], BDI = Beck depression inventory [26], EDQoL = Eating Disorder Quality of Life [24], ANSOCQ = Anorexia Nervosa Stage of Change Questionnaire [23].
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BMC Psychiatry

ISSN: 1471-244X

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