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1.
J Psychol ; 146(4): 371-91, 2012.
Artigo em Inglês | MEDLINE | ID: mdl-22808686

RESUMO

Intervention programs for treating adiposity which focus on dietary change and physical exercise often do not lead to the desired long-term reduction in weight. This article reports on the effectiveness of M.O.B.I.L.I.S., a standardized theory-driven intervention program. Participants are taught cognitive-behavioral strategies of goal setting, action planning, barrier management, and self-monitoring. Persons with obesity (N=316) responded to a public advertisement to participate in the intervention program (IG) or comparison group (CG; quasi-experimental design). Assessments were conducted at four time points, with the last assessment being conducted two years after baseline. At the 24-month follow-up, the IG showed weight loss of 5.57%, whereas the CG lost 1.12% of their weight (t1-t4, p < .01). The results yielded significant interaction terms (group x time), indicating that the intervention had a substantial effect on food choice and level of physical exercise (p < .01). The IG showed significantly enhanced self-efficacy, stronger goal intentions, and more detailed implementation intentions than the CG at follow-ups. The intervention program has the potential to evoke enduring changes in the cognitions we hypothesized to be responsible for inducing obese adults to begin and continue regular exercise and healthy eating behavior, resulting in substantial weight loss.


Assuntos
Terapia Comportamental/métodos , Obesidade/terapia , Adolescente , Adulto , Idoso , Análise de Variância , Comportamento de Escolha , Dieta Redutora/métodos , Dieta Redutora/psicologia , Exercício Físico/psicologia , Comportamento Alimentar/psicologia , Feminino , Seguimentos , Objetivos , Comportamentos Relacionados com a Saúde , Humanos , Masculino , Pessoa de Meia-Idade , Motivação , Obesidade/psicologia , Avaliação de Programas e Projetos de Saúde/métodos , Autoeficácia , Resultado do Tratamento , Redução de Peso , Adulto Jovem
2.
Psychol Health ; 32(1): 110-126, 2017 01.
Artigo em Inglês | MEDLINE | ID: mdl-27775430

RESUMO

OBJECTIVE: The present research introduces an extended conceptualisation of self-concordance, which is considered an attribute not only of goals, but also of goal intentions. Based on a corresponding operationalisation, we investigate the interplay of both intention strength and intention self-concordance in the prediction of physical activity. DESIGN: Data were taken from a longitudinal study of 134 obese people who were asked to fill out a questionnaire three times every six months. MAIN MEASURES: Physical activity and intention self-concordance were measured by validated scales. Intentions strength was assessed by an item typically employed in the extant literature. RESULTS: Logistic regression analyses and path analyses showed both intention strength and self-concordance to be significant predictors of changes in physical activity over time. Additional analyses found self-efficacy to be a significant predictor of intention strength and self-concordance; for outcome expectations this was not the case. CONCLUSIONS: Findings support the idea that intention strength and self-concordance are two critical facets of a goal intention that need to be considered in the prediction of physical activity participation. Whereas intention strength refers to the degree of determination with which a goal intention is adopted, self-concordance rather captures the quality of this intention.


Assuntos
Exercício Físico/psicologia , Objetivos , Intenção , Autoimagem , Adulto , Feminino , Alemanha , Humanos , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Obesidade/prevenção & controle , Obesidade/psicologia , Autoeficácia , Inquéritos e Questionários
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