Validacao de escalas psicossociais para mudanca do consumo de frutas, legumes e verduras

Tassitano, Rafael Miranda; Cabral, Poliana Coelho; Silva, Giselia Alves Pontes da

doi:10.1590/0102-311x00153812

Cited by 6 publications

(9 citation statements)

References 22 publications

(44 reference statements)

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“…The scale of behavior change strategy consisted of 15 items that investigated actions, thoughts, activities, strategies, and feelings that individuals may use for changing behavior and maintaining a new behavior (α=0.88 [0.82-0.93]) 24 . The answers were in the form of a five-point Likert scale as follows: never = 1; almost never = 2; sometimes = 3; frequently = 4; and many times = 5.…”

Section: E T H O D Smentioning

confidence: 99%

“…The final score was given by adding the answers. 24 . The five-point Likert scale indicated how important each situation is: not important = 1; slightly important = 2; more or less important = 3; very important = 4; extremely important = 5.…”

Section: E T H O D Smentioning

confidence: 99%

“…Friends' support, consisting of three items (α=0.85 [0.76-0.91]) 24 , is a construct similar to parental support (α=0.79 [0.67-0.88]) 24 . They represent the support and encouragement that determine behavior.…”

Section: E T H O D Smentioning

confidence: 99%

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Psychosocial factors and physical activity as predictors of fruit and vegetable intake in college students

et al. 2016

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Article based on the doctoral dissertation of R TASSITANO entitled "Impacto de uma intervenção para o aumento da atividade física e consumo de A B S T R A C T ObjectiveTo analyze whether psychosocial factors and physical activity are predictors of fruit and vegetable intake in young adults attending college. MethodsThis cross-sectional study included a representative sample of students from a public university in the Brazilian Northeast (n=717). Fruit and vegetable intake was measured by a Food Frequency Questionnaire containing 21 items. The psychosocial factors for behavior change, measured by a questionnaire, were: behavior change strategy, self-efficacy, perceived barriers and facilitators in decision making, and social support. The level ofRev. Nutr., Campinas, 29(2):173-183, mar./abr., 2016 Revista de Nutrição http://dx.doi.org/10.1590/1678-98652016000200003 physical activity was measured by the International Physical Activity Questionnaire. Multiple linear regression was the intake prediction model using a significance level of 5% (p<0.05). ResultsThe median fruit and vegetable intake was 2.0 servings/day. In adjusted analysis, behavior change strategy (R²=0.31), self-efficacy (R²=0.03), friends' support (R²=0.02), and physical activity (R²=0.03) explained 39% of the fruit and vegetable intake variance in men. Behavior change strategy (R²=0.03), self-efficacy (R²=0.13), perceived barriers (R²=0.08), and physical activity (R²=0.02) explained 26% of the fruit and vegetable intake variance in women. Fruit and vegetable intake would increase by one serving for every extra 35 and 47 minutes of physical activity men and women, respectively, practice a day. ConclusionThe main predictors of fruit and vegetable intake are behavior change strategies, self-efficacy, and physical activity.Keywords: Food consumption. Motor activity. Students. R E S U M O Objetivo Analisar os fatores psicossociais e a atividade física como preditores no consumo de frutas, legumes e verduras em adultos jovens, estudantes universitários. Métodos Estudo transversal com uma amostra representativa de estudantes de uma universidade pública do Nordeste (n=717). O consumo de frutas, legumes e verduras foi medido por um Questionário de Frequência

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Section: E T H O D Smentioning

confidence: 99%

Section: E T H O D Smentioning

confidence: 99%

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Psychosocial factors and physical activity as predictors of fruit and vegetable intake in college students

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“…Nonetheless, the scale has not been validated in other languages, despite its ease of use. Until now, only one Brazilian study has tested the psychometric properties of a social support scale for behavioral changes related to food habits 25 . Yet, this instrument is specific for the intake of fruits and vegetables, and was tested only in university students 25 .…”

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confidence: 99%

“…The validation of the Brazilian version of social support scale for healthy eating habits should have a positive repercussion on studies in the area, given that, until now in Brazil, there is only one instrument for assessing social support for eating habits, but it focuses exclusively on the intake of fruits and vegetables by university students 25 .…”

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confidence: 99%

Cross-cultural equivalence and psychometric proprieties of the social support scale for healthy eating habits

et al. 2016

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A B S T R A C T ObjectiveTo assess the cross-cultural equivalence and psychometric proprieties of the Brazilian version of the Eating Habits Social Support Scale. MethodsThe scale was administered to 381 subjects aged 24 to 86 years from Recife and Belo Horizonte, Brazil. Cross-cultural equivalence was evaluated by expert agreement. The psychometric proprieties were assessed byRev. Nutr., Campinas, 29(6):797-807, nov./dez., 2016 Revista de Nutrição http://dx.doi. org/10.1590/1678-98652016000600005 factor validity (factor analysis), internal consistency (Cronbach's alpha), and reproducibility (intraclass correlation coefficient), using a test-retest with an interval of seven days. ResultsFactor analysis identified two factors for each social support group (friends and family). The questions were clustered by type of social support (positive or negative comments). The eigenvalues for family social support were 3.22 and 3.00, corresponding to 62.2% of the total variance. For friend social support, the eigenvalues were 3.02 and 2.95, explaining 59.7% of the total variance. In the internal consistency analysis, the alpha values ranged from 0.83 to 0.75. The reproducibility intraclass correlation coefficient ranged from 0.676 to 0.873. All these values were acceptable, indicating the validity and reliability of the scale. ConclusionThe Brazilian version of the Eating Habits Social Support Scale presented cross-cultural equivalence and psychometric characteristics that were appropriate for Brazilian adults and older adults. This scale is easy to use and obtained high scores for question clarity and answer options.Keywords: Food habits. Social support. Validity of tests. R E S U M O Objetivo Avaliar a equivalência transcultural e as propriedades psicométricas da versão brasileira da Escala de Apoio Social para Hábitos Alimentares Saudáveis. Métodos A escala foi aplicada em 381 indivíduos com idade entre 24 e 86 anos, residentes em Recife e Belo Horizonte, Brasil. A equivalência transcultural foi avaliada por consenso de especialistas. As propriedades psicométricas foram analisadas pela validade fatorial (análise fatorial exploratória), consistência interna (alfa de Cronbach) e reprodutibilidade (Coeficiente de Correlação Intraclasse). Para análise de reprodutibilidade, foi utilizado o teste-reteste com intervalo de até sete dias entre as aplicações. Resultados A análise fatorial identificou dois fatores para cada fonte de apoio social (amigos e família). O agrupamento das questões ocorreu de acordo com o tipo de apoio recebido (comentários positivos ou negativos

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Effects of the Rango Cards game intervention on food consumption, nutritional knowledge and self-efficacy in the adoption of healthy eating practices of high school students: a cluster randomised controlled trial

Chagas

Melo

Botelho

et al. 2020

Public Health Nutr.

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Objective: The study aimed to assess the impact of a game-based nutritional intervention on food consumption, nutritional knowledge and self-efficacy in the adoption of healthy eating practices. Design: This cluster randomised controlled trial included both male and female high school students from private schools in the Federal District, Brazil. Four schools were randomly selected for each group. Investigated variables were age, sex, monthly family income, maternal education level, dietary perceptions and practices, nutritional knowledge and self-efficacy in the adoption of healthy eating practices. Setting: Intervention group participants were instructed to play Rango Cards, a digital game developed for the study, on their own, for a period of 7–17 d, while the control group was not provided with any game or material during the study. Participants: The study included 319 adolescents (mean age = 15·8 (sd 0·7) years). Results: Significant reductions were observed in the intervention group compared with the control group for the following variables: habit of eating while watching TV or studying and having meals at fast food restaurants. The intervention group showed increased knowledge of the effects of fruit and vegetable consumption as well as improved self-efficacy in the adoption of healthy eating practices such as reducing Na intake and preparing healthy meals. Conclusions: The design of Rango Cards is potentially capable of effecting positive changes. Therefore, the digital game promotes autonomy and self-care among adolescents with regard to healthy eating.

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Validacao de escalas psicossociais para mudanca do consumo de frutas, legumes e verduras

Cited by 6 publications

References 22 publications

Psychosocial factors and physical activity as predictors of fruit and vegetable intake in college students

Psychosocial factors and physical activity as predictors of fruit and vegetable intake in college students

Cross-cultural equivalence and psychometric proprieties of the social support scale for healthy eating habits

Effects of the Rango Cards game intervention on food consumption, nutritional knowledge and self-efficacy in the adoption of healthy eating practices of high school students: a cluster randomised controlled trial

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