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. 2022 Apr 13;15(4):550–559. doi: 10.1159/000524031

Table 2.

Changes in outcomes between baseline and 4 months (mean, SD) by study group (SWiM-C vs. standard advice) adjusted for the randomization stratifiers (sex, BMI classification) and outcome at baseline

Outcome Change from baseline, mean (SD)
N Adjusted differencea 95% confidence interval
SWiM-C standard care
Weight, kg −1.91c (5.06) −1.24c (4.79) 322 −0.60 −1.67 to 0.47
Depression (PHQ-8) −1.1 (5.15) −0.62 (4.25) 325 −0.67 −1.57 to 0.22
Anxiety (GAD-7) −0.30 (4.18) −0.02 (4.23) 325 −0.57 −1.39 to 0.26
Stress (PSS-4) −0.02 (2.99) −0.13 (3.05) 325 0.02 −0.53 to 0.58
Experiential avoidance/psychological flexibility (AAQW-R)b −6.21 (10.68) −3.07 (10.31) 321 −3.39 −5.55 to −1.23
Eating behaviour (TFEQ-R21)
 Cognitive restraint 6.32 (12.86) 0.56 (11.92) 321 5.28 2.81 to 7.75
 Uncontrolled eating −5.69 (10.46) −2.20 (11.62) 321 −3.61 −5.94 to −1.28
 Emotional eating −3.58 (12.35) −2.41 (12.21) 321 −1.33 −3.74 to 1.08
Volume of total physical activity (IPAQ) in MET-min 3.00 (29.78) −4.09 (36.46) 279 5.72 −1.10 to 12.53
Wellbeing/capability (ICECAP-A) 0.02 (0.15) −0.11 (0.32) 321 0.13 0.07 to 0.18

SD, standard deviation; ICECAP-A, ICEpop CAPability measure for Adults.

a

Adjusted for outcome at baseline and randomization stratifiers (BMI classification and sex).

b

Lower scores on AAQW-R indicate lower experiential avoidance and higher psychological flexibility.

c

The change from baseline to 4 months only includes participants who completed outcomes at 4 months (N = 145), whereas baseline means in Table 2 include all participants (hence, mean change here differs from the difference between the means reported in Table 2).