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Table 7 Comparison of consultations by participants’ final weight change

From: Treatment fidelity in the Camden Weight Loss (CAMWEL) intervention assessed from recordings of advisor-participant consultations

Mean (SD) score

Lost 5% or more of baseline weight (N = 11)

Did not lose 5% or more of baseline weight (N = 11)

Statistic

Significance

95% CI Lower

95% CI Upper

Fidelity

 Consultation length (minutes)

21.7 (7.5)

16.1 (6.9)

t(20) = 1.8

p > 0.05

−0.81

11.98

 Percentage total content

40.3 (15.1)

38.9 (10.6)

t(20) = 0.2

p > 0.05

−10.23

33.43

Motivational interviewing

 Motivational Interviewing Spirit

3.4 (0.4)

3.1 (0.6)

t(20) = 1.3

p > 0.05

−0.18

0.73

 Percentage open questions

59.0 (30.3)

50.3 (24.7)

t(20) = 0.7

p > 0.05

−15.83

33.43

 Percentage complex reflections

8.2 (9.5)

10.4 (9.1)

t(20) = −0.6

p > 0.05

−10.48

6.06

 Percentage Motivational Interviewing Adherent

55.8 (15.6)

50.5 (19.0)

t(20) = 0.7

p > 0.05

−10.15

20.75

Therapeutic alliance

 Alliance total score

4.3 (0.7)

3.9 (1.0)

t(20) = 1.0

p > 0.05

−0.39

1.01