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Public Health Nutr. 2017 Jun;20(9):1681-1691. doi: 10.1017/S1368980017000441. Epub 2017 Apr 17.

Psychological flexibility mediates change in intuitive eating regulation in acceptance and commitment therapy interventions.

Author information

1
1Department of Psychology,University of Jyväskylä,Ylistönmäentie 33,PO Box 35,40014 Jyväskylä,Finland.
2
3Institute of Public Health and Clinical Nutrition,University of Eastern Finland, Kuopio Campus,Finland.
3
4Institute of Biomedicine,University of Helsinki,Helsinki,Finland.
4
5VTT Technical Research Centre of Finland,Digital Health,Tampere,Finland.

Abstract

OBJECTIVE:

Despite the promising results related to intuitive eating, few studies have attempted to explain the processes encouraging this adaptive eating behaviour. The focus of the present study was on exploring mechanisms of change in intuitive eating and weight in acceptance and commitment therapy (ACT) interventions. Mediation provides important information regarding the treatment processes and theoretical models related to specific treatment approaches. The study investigates whether psychological flexibility, mindfulness skills and sense of coherence mediated the interventions' effect on intuitive eating and weight.

DESIGN:

Secondary analysis of a randomized control trial. Mediation analysis compared two ACT interventions - face-to-face (in a group) and mobile (individually) - with a control group using a latent difference score model. Settings Data were collected in three Finnish towns.

SUBJECTS:

The participants were overweight or obese (n 219), reporting symptoms of perceived stress.

RESULTS:

The effect of the interventions on participants' (i) BMI, (ii) intuitive eating and its subscales, (iii) eating for physical rather than emotional reasons and (iv) reliance on internal hunger and satiety cues was mediated by changes in weight-related psychological flexibility in both ACT groups.

CONCLUSIONS:

These findings suggest that ACT interventions aiming for lifestyle changes mediate the intervention effects through the enhanced ability to continue with valued activities even when confronted with negative emotions and thoughts related to weight.

KEYWORDS:

Acceptance and commitment therapy Overweight; Intuitive eating; Psychological flexibility

PMID:
28414018
DOI:
10.1017/S1368980017000441
[Indexed for MEDLINE]

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