Physical Activity in Bariatric Patients

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

40 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-11-16

Study Completion Date

2015-10-15

Brief Summary

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The aim of the current study was to explore the effect of a 6-months motivational physical activity intervention (MPAI) on different psychosocial variables (e.g. motivation, health-related quality of life, self-esteem, etc.) and on the physical activity levels of bariatric surgery patients. Comparing with a control group (CG), we tested the differences obtained on these variables between before surgery and just after the MPAI (7-months after surgery). Additionally, we explored the (possible) prolonged effects of the intervention by doing re-tests 13, 25 and 37- months after surgery.

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Detailed Description

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Participants were recruited from a Spanish hospital between November 2011 and May 2013. Through their pre-operative visit to the clinical psychologist, patients were asked if they wanted to participate in a follow-up intervention to measure their physical activity (PA) levels and various psychological variables related to exercise. Participants who showed interest after this interview were subsequently contacted by phone to arrange a baseline visit to the sport research center, during which they were informed about the aims and procedure of the study, provided written consent, and completed questionnaires to assess different variables related to psychosocial aspects. Moreover, participants were asked to wear an accelerometer at their right hip for one week, warning them to take it off just to sleep, shower, or to perform activities that could damage the device (e.g. swimming). When they returned, they were assigned to a motivational PA intervention (MPAI) or control (CG) group.

At post-intervention measurements, patients again completed all questionnaires and wore an accelerometer during another week.

Regarding the MPAI, it was carried out during 6 consecutive months and took place in a public fitness center. The sessions were directed by exercise and sport sciences professionals (Degree in sport sciences, Master's degree in PA and health), who were trained in the application of motivational strategies based on self-determination theory (SDT). According with the postulates of SDT, these motivational strategies would help to enhance the satisfaction of basic psychological needs that are necessary for optimal development and functioning, such as competence, autonomy, relatedness and novelty. So, in the context of exercise, intrinsic forms of motivation will appear in people if basic psychological needs are satisfied, which will lead to positive consequences related to enjoyment, adherence, and positive attitudes towards PA.

Conditions

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Morbid Obesity Bariatric Surgery Candidate

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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MPAI group

Patients in this group participated in a 6-months Motivational Physical Activity Intervention (MPAI) to explore its effects on different variables related to PA levels and psychosocial aspects of life of bariatric patients. Concretely, the fundamental goals of the MPAI group were three: to increase the self-determined forms of motivation of the patients towards exercise or reduce those related to non-self-determined motivation; to improve post-operative levels of PA with respect to pre-operative levels, and; transfer the benefits of the intervention on different variables related to the perceived health-related quality of life.

Group Type EXPERIMENTAL

Motivational Physical Activity Intervention (MPAI)

Intervention Type BEHAVIORAL

MPAI was carried out during 6 consecutive months. The sessions were directed by sport sciences professionals, who were trained in the application of motivational strategies based on self-determination theory.

The frequency of training, as well as the duration of the sessions, was increasing throughout the 6 months. The contents of the sessions could be directed in two ways: sessions with activities to develop cardiorespiratory fitness and muscular strength, and playful sessions to enhance psychosocial aspects. Nevertheless, motivational strategies were implemented in both types of sessions.

Control group

Patients in this group did not participate in any intervention, but the same measurements were made in them as in the MPAI group in the same temporal spaces.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Motivational Physical Activity Intervention (MPAI)

MPAI was carried out during 6 consecutive months. The sessions were directed by sport sciences professionals, who were trained in the application of motivational strategies based on self-determination theory.

The frequency of training, as well as the duration of the sessions, was increasing throughout the 6 months. The contents of the sessions could be directed in two ways: sessions with activities to develop cardiorespiratory fitness and muscular strength, and playful sessions to enhance psychosocial aspects. Nevertheless, motivational strategies were implemented in both types of sessions.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* To have a BMI greater than 40kg/m2 or greater than 35kg/m2 with an associated comorbidity.
* To have experienced previous failed obesity treatments with restrictive-caloric diets and medications.
* To have followed endocrinology and nutritional monitoring, accomplishing the therapeutic instructions properly.
* To have no medical, psychological or social contraindications.
* To have the consent of the clinical psychiatrist and the surgeon and ensure their willingness to attend the programme.