Table 3 Moderating effects of randomised group and eating behaviour traits on percent weight change at 6 months after the end of intervention.

Exposure	N sample [N studies]	Intervention effect on percentage weight change		Interaction of categorised EBTs and randomised group on percentage weight change		Interaction of continuous EBTs and randomised group on percentage weight change
Exposure	N sample [N studies]	MD (95% CI)^a	Tau²	MD (95% CI)^{b, c}	Tau²	MD (95% CI)^b	Tau²
Emotional eating	722 [5]					−0.02 (−0.07, 0.03)	0.00
Low	448	0.022 (−1.62, 1.58)	0.00	0.318 (−3.03, 3.66)	0.00
Medium	147	−1.117 (−3.81, 1.56)	0.75	ref
High	127	−1.946 (−4.78, 0.94)	0.00	−1.254 (−5.18, 2.68)	0.00
External eating	842 [6]					0.021 (−0.03, 0.07)	0.00
Low	337	−0.311 (−2.05, 1.43)	0.00	−0.572 (−3.27, 2.13)	0.00
Medium	231	0.014 (−2.13, 2.15)	0.00	ref
High	274	0.4 (−1.46, 2.26)	0.05	−0.123 (−3.03, 2.78)	0.00
Internal disinhibition	719 [5]					−0.005 (−0.06, 0.05)	0.00
Low	236	0.082 (−2.02, 2.16)	0.00	0.214 (−2.99, 3.42)	0.00
Medium	221	−0.039 (−2.45, 2.35)	0.00	ref
High	262	0.133 (−1.79, 2.06)	0.05	0.537 (−2.65, 3.73)	0.00
Restraint	614 [5]					−0.013 (−0.08, 0.05)	0.00
Low	253	−1.141 (−2.82, 0.98)	2.22	−0.068 (−2.81, 3.12)	3.29
Medium	185	−1.232 (−3.49, 1.03)	0.00	ref
High	176	−0.064 (−2.31, 2.19)	0.00	0.326 (−2.93, 3.52)	0.00

Rank deficient coefficients were removed from the model by the lmer function (e.g. if one study only included females and no males).
N number of, MD mean difference, CI confidence interval.
^aIntervention effects (ACT vs. control) in strata of low, medium, and high levels of EBTs on percentage weight change were estimated while stratifying all other parameters by trial.
^bInteractions between randomised group (ACT vs. control) and EBTs on percentage weight change were estimated while stratifying all other parameters by trial.
^cReference group was medium levels of each EBT, respectively.

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