Table 2 Predictors of Treatment completion and rate of improvement over time (ED15 cognitions)

Duration of illness

 ≥ 3 years

35.0

34.0

1.20 (0.55, 2.65)

.91

Previous psychological treatment for ED

Yes

29.9

26.4

0.62 (0.29,1.35)

.32

Weight classification

BMI < 18.5

21.0

21.7

1.07 (0.44,2.58)

.03*

Presence of comorbidities

Yes

89.2

88.7

0.84 (0.26,2.79)

.01*

Normative baseline ED15 cognitive score^a

(≤ 3.38)

38.5

43.7

2.33 (1.03,5.26) *

NA^b

Presence of any ED behaviours at baseline

Yes

74.1

73.8

0.94 (0.41, 2.17)

NA^b

Regular weighing during treatment

(≥ 50% of visits with practitioner)

58.0

61.3

1.29 (0.62,2.70)

 < .01*

Regular case conferencing

(≥ 2 sessions)

80.3

88.7

2.88 (1.15,7.21) *

 < .01*

Regular use of Dietetics

(≥ 3 sessions)

72.0

84.9

4.92 (2.17,11.15) *

.61