scholarly journals Validity and reliability of scales on intrapersonal, interpersonal and environmental factors associated with physical activity in Brazilian secondary students

2016 ◽  
Vol 18 (2) ◽  
pp. 207 ◽  
Author(s):  
Valter Cordeiro Barbosa Filho ◽  
Cassiano Ricardo Rech ◽  
Jorge Mota ◽  
José Cazuza de Farias Júnior ◽  
Adair Da Silva Lopes
Keyword(s):  
Physical Activity ◽  
Social Support ◽  
Environmental Factors ◽  
Secondary Students ◽  
Internal Consistency ◽  
School Environment ◽  
Self Efficacy ◽  
Validity And Reliability ◽  
Factors Associated ◽  
Almost All

DOI: http://dx.doi.org/10.5007/1980-0037.2016v18n2p207 This study aimed to examine the validity and reliability of scales of intrapersonal, interpersonal, and environmental factors associated with physical activity (PA) in secondary students. Two cross-sectional studies were conducted with students in 7th to 9th grades form secondary schools in order to test the validity, internal consistency (n = 1,178, 51.4% were boys), and test–retest reproducibility (n = 194, 56.2% were boys) of the instrument. Factors associated with PA (attitude, self-efficacy, social support of friends, parents and the school’s teachers, as well as the perceived neighborhood environment and perceived school environment) were measured. The confirmatory factor analysis and Spearman correlation between the scales and the weekly time spent in moderateto-vigorous PA (measured by questionnaire) were applied to test the construct validity. For reliability, the Cronbach’s α (internal consistency), composite reliability (CR) and intraclass correlation coefficient (ICC for test–retest reproducibility) were applied. The confirmatory factorial analysis showed five one-dimensional and two two-dimensional (self-efficacy and perceived environment) scales, with factor loadings ranging from 0.46 to 0.85. Significant and positive correlations between almost all scale scores and moderateto-vigorous PA (p<0.05) were found. The Cronbach’s α and CR were greater than 0.70 in almost all scales (except perceived school environment, α and CR of 0.61) and the ICC ranged from 0.62 (parental social support) to 0.70 (self-efficacy). In conclusion, the scales showed acceptable validity and reliability and can be used for measuring of PA correlates in elementary students.

scholarly journals Development and validation of a questionnaire measuring factors associated with physical activity in adolescents

2011 ◽  
Vol 11 (3) ◽  
pp. 301-312 ◽  
Author(s):  
José Cazuza de Farias Júnior ◽  
Adair da Silva Lopes ◽  
Rodrigo Siqueira Reis ◽  
Juarez Vieira do Nascimento ◽  
Adriano Ferreti Borgatto ◽  
...  
Keyword(s):  
Physical Activity ◽  
Social Support ◽  
Self Efficacy ◽  
Intraclass Correlation ◽  
Reliability And Validity ◽  
Correlation Coefficients ◽  
Test Reliability ◽  
Validity And Reliability ◽  
Factors Associated ◽  
Two Factors

OBJECTIVES: to develop a questionnaire to measure factors associated with physical activity (PA) in adolescents and analyze its reliability and validity. METHODS: a total of 248 adolescents from 14 to 19 years old took part in this study. The factors associated with PA measured were: attitude, self-efficacy, social support of PA and perceived environment. Cronbach's alpha (α) and intraclass correlation coefficients (ICC) were used to test reliability, and exploratory factor analysis to evaluate validity. RESULTS: attitude was measured as a single factor (attitude: α=0.76, ICC=0.89); self-efficacy consisted of two factors: resources for PA (α=0.76, ICC=0.75) and social support and motives for engaging in PA (α=0.76, ICC=0.67); social support was measured as two factors: support for PA from friends (α=0.90, ICC=0.89) and support for PA from parents (α= 0.81, ICC=0.91); and the environment was measured as three factors: access to and attractiveness of places to engage in PA (α=0.69, ICC=0.82), security/safety when engaging in PA (α=0.73, ICC=0.67), and general infrastructure of the neighborhood (α=0.70, ICC=0.75). CONCLUSIONS: the questionnaire exhibited satisfactory validity and reliability and can be recommended for studies investigating adolescents.

scholarly journals Reliability, validity and internal consistency of social support and self-efficacy scales for physical activity in adolescents with 10 to 14 years of age

2022 ◽  
Vol 40 ◽  
Author(s):  
Gerfeson Mendonça ◽  
Alcides Prazeres Filho ◽  
Inácio Crochemore-Silva ◽  
José Cazuza de Farias Júnior
Keyword(s):  
Physical Activity ◽  
Social Support ◽  
Root Mean Square ◽  
Internal Consistency ◽  
Self Efficacy ◽  
Goodness Of Fit ◽  
Quality Parameters ◽  
Mean Square ◽  
Chi Square ◽  
Fit Index

ABSTRACT Objective: To analyze the reliability, validity and internal consistency of the physical activity social support (SSS) and self-efficacy (SES) scales among adolescents aged 10–14 years. Methods: The reliability study included 171 adolescents (mean age=12.3±1.0 years, 59.6% female) and validity and consistency study with 1,107 (mean age=12.0±1.0 years, 52.7% female). The SSS had 15 items and the SES eight items. Reliability was determined by Spearman's correlation analysis (rho) and validity and internal consistency by factor analysis (exploratory — EFA and confirmatory — CFA) and the composite reliability (CR), respectively. Results: The reliability of SSS (father: rho=0.80; p<0.001 | mother: rho=0.76; p<0.001 | friends: rho=0.75; p<0.001) and SES (rho=0.72; p<0.001) were considered high. In the EFA, three factors were identified for the SSS (father, mother and friends — five items each) and one factor for SES (five items), confirmed in the CFA. Quality parameters of adjustment in the final models were satisfactory for SSS (chi-square=240.5 [p<0.001]; root mean square residual — RMR=0.05; root mean square error of approximation — RMSEA=0.04 [90%CI 0.04–0.05]; goodness of fit index — GFI=0.97; adjusted goodness of fit index — AGFI=0.96 and comparative fit index — CFI=0.97) and SES (chi-square=5.4 [p=0.07]; RMR=0.01; RMSEA=0.04 [90%CI 0.00–0.08]; GFI=0.99; AGFI=0.99 and CFI=0.97). Internal consistency was considered satisfactory for SSS (CR: father=0.79, mother=0.77, friends=0.78) and low for SES (CR=0.38). Conclusions: The scales showed satisfactory levels of reliability and of construct validity. However, only the SSS showed adequate levels of internal consistency.%

scholarly journals Validity and reliability of an instrument to measure factors associated with screen time in Brazilian students

2021 ◽  
Vol 26 (3) ◽  
pp. 1047-1061
Author(s):  
Valter Cordeiro Barbosa Filho ◽  
Alexsandra Silva Bandeira ◽  
Cassiano Ricardo Rech ◽  
Adair Silva Lopes ◽  
Jorge Mota ◽  
...  
Keyword(s):  
Self Efficacy ◽  
Screen Time ◽  
Factorial Analysis ◽  
Validity And Reliability ◽  
Cross Sectional ◽  
Factors Associated ◽  
Efficacy Expectations ◽  
Brazilian Students ◽  
Almost All ◽  
Exploratory Factorial Analysis

Abstract This study analyzed the validity and reliability of an instrument with scales measuring factors associated with screen time in adolescents. Two cross-sectional studies included students for analyses of validity and internal consistency (n=1138, 51.5% boys) and test-retest reproducibility (n=194, 56.2% boys). Individual (attitude, self-efficacy and expectations), social (behaviors, rules, beliefs and family support and support of school members) and physical environmental (home and bedroom equipment) factors of screen time were evaluated. All the scales of the instrument met the statistical criteria of the validity of the exploratory factorial analysis (p<0.001). The exploratory factorial analysis indicated five one-dimensional and three two-factor scales (self-efficacy, expectations and familiar behavior), with factorial loads of 0.56 to 0.88. There were significant correlations between the scores of almost all the scales and the reported screen time (p<0.05). Eight of nine scales/subscales showed Cronbach’s α value being higher than 0.70, and ICC ranged from 0.63 to 0.83. In conclusion, the instrument presented scales with acceptable validity and reliability and can be used to measure factors associated with screen time in Brazilian students.

scholarly journals Physical activity, psychosocial and perceived environmental factors in adolescents from Northeast Brazil

2014 ◽  
Vol 30 (5) ◽  
pp. 941-951 ◽  
Author(s):  
José Cazuza de Farias Júnior ◽  
Rodrigo Siqueira Reis ◽  
Pedro Curi Hallal
Keyword(s):  
Physical Activity ◽  
Social Support ◽  
Environmental Factors ◽  
Self Efficacy ◽  
Physical Activity Intervention ◽  
Epidemiologic Study ◽  
Northeastern Brazil ◽  
Activity Levels ◽  
Cross Sectional ◽  
The City

The aim of this study was to evaluate the association between levels of physical activity, psychosocial and perceived environmental factors in adolescents from Northeastern Brazil. A cross-sectional epidemiologic study was conducted with 2,859 adolescents enrolled in secondary schools (57.8% females; mean = 16.5 years; SD = 1.2) in the city of João Pessoa, Paraíba State, Brazil. The following physical activity correlates were measured: attitude, self-efficacy, social support from friends and parents, and perceived environmental characteristics. Physical activity was measured using a questionnaire. Multivariable ordinal logistic regression with proportional odds model analysis showed that the following factors are positively related to physical activity levels in adolescents: attitude, self-efficacy, as well as social support from parents and friends. Physical activity intervention programs should increase self-efficacy and social support from parents and friends, as well as a positive attitude toward physical activity.Este estudo analisou a associação do nível de atividade física com fatores psicossociais e ambientais em adolescentes do Nordeste do Brasil. Estudo epidemiológico transversal desenvolvido com 2.859 adolescentes (57,8% do sexo feminino, média de idade: 16,5 anos; DP = 1,2) no Município de João Pessoa, Paraíba, Brasil. Os seguintes fatores associados à atividade física foram mensurados: atitude, autoeficácia, apoio social dos pais e amigos e características do ambiente percebido. O nível de atividade física foi mensurado por questionário. Os resultados da análise multivariável por regressão logística ordinal, com modelo de odds proporcionais, identificaram os seguintes fatores positivamente associados ao nível de atividade física dos adolescentes: atitude, percepção de autoeficácia, apoio social dos pais e amigos. Programas de promoção da atividade física devem desenvolver ações para aumentar a autoeficácia dos adolescentes e o apoio social fornecido pelos pais e amigos, bem como desenvolver e reforçar atitudes positivas em relação à atividade física.

The Association Among Social Support, Self-Efficacy, Use of Mobile Apps, and Physical Activity: Structural Equation Models With Mediating Effects (Preprint)

2018 ◽  
Author(s):  
Taotao Wang ◽  
Mengyuan Ren ◽  
Ying Shen ◽  
Xiaorou Zhu ◽  
Xing Zhang ◽  
...  
Keyword(s):  
Physical Activity ◽  
Social Support ◽  
College Students ◽  
Self Efficacy ◽  
Structural Equation ◽  
Mobile Apps ◽  
Mediating Effect ◽  
Activity Levels ◽  
Support Level ◽  
Physical Activity Levels

BACKGROUND Physical inactivity is a risk factor for chronic noncommunicable diseases. Insufficient physical activity has become an important public health problem worldwide. As mobile apps have rapidly developed, physical activity apps have the potential to improve the level of physical activity among populations. OBJECTIVE This study aimed to evaluate the effect of physical activity apps on levels of physical activity among college students. METHODS A Web-based questionnaire was used to survey college students in Beijing from December 27, 2017, to January 5, 2018. According to a previous survey, 43% of college students using physical activity apps and 36% of those who never used such apps achieved the physical activity recommendations. In this study, the sample size was calculated to be 500. The questionnaire consisted of 5 parts: the use of physical activity apps, sports habits, social support, self-efficacy, and social demographic information. Structural equation modeling was used to test the relationships between the use of physical activity apps, self-efficacy, social support, and level of physical activity. RESULTS Of the 1245 participants, 384 college students (30.8%) used physical activity apps (in the past month). Of these 384 students, 191 (49.7%) gained new friends via the app. College students who were using physical activity apps had a higher level of physical activity and higher scores for social support and self-efficacy (<italic>P</italic>&lt;.001) than those who did not use such apps. The use of physical activity apps significantly affected the mediating effect of physical activity level through social support (beta=.126; <italic>P</italic>&lt;.001) and self-efficacy (beta=.294; <italic>P</italic>&lt;.001). Gender played an important role in app use, self-efficacy, and physical activity in the mediation model: male users spent more time on physical activity and had higher self-efficacy scores (<italic>P</italic>&lt;.001). CONCLUSIONS This study focused on college students in Beijing and found that the use of physical activity apps is associated with higher physical activity levels among these students. This effect is mainly through the mediation effect of social support and self-efficacy, rather than the direct effect of physical activity apps. The use of physical activity apps is associated with a higher social support level and higher self-efficacy score. Furthermore, a high social support level and high self-efficacy score are associated with higher physical activity levels.

scholarly journals Intrapersonal, Behavioral and Environmental Factors Associated With Meeting Recommended Physical Activity Among Rural Latino Youth

2011 ◽  
Vol 23 (4) ◽  
pp. 521-536 ◽  
Author(s):  
Cynthia K. Perry ◽  
Brian E. Saelens ◽  
Beti Thompson
Keyword(s):  
Physical Activity ◽  
Environmental Factors ◽  
Physical Activity Level ◽  
Latino Youth ◽  
Activity Level ◽  
After School ◽  
Factors Associated ◽  
Middle School Youth ◽  
Recommended Physical Activity ◽  
School Youth

This study aimed to identify intrapersonal, behavioral, and environmental factors associated with engaging in recommended levels of physical activity among rural Latino middle school youth. Data were from an anonymous survey of 773 Latino youth (51% female) about level of and barriers and motivators to physical activity, risk behaviors, and park use. Logistic regression models identified factors correlated with meeting recommended levels of physical activity (5 days or more 360 min/day). Thirty-four percent of girls and 41% of boys reported meeting this physical activity recommendation. Participation in an organized after school activity (p < .001) and in physical education (PE) classes 5 days a week (p < .001) were strongly associated with meeting recommended physical activity level. Making PE available 5 days a week and creating opportunities for organized after school physical activity programs may increase the number of rural Latino middle school youth who meet recommended physical activity level.

A Population-Based Survey to Determine Association of Perceived Social Support and Self-Efficacy With Self-Care Among Elderly With Diabetes Mellitus (Kerman City, Iran)

2017 ◽  
Vol 85 (4) ◽  
pp. 504-517 ◽  
Author(s):  
Vahidreza Borhaninejad ◽  
Mohsen Shati ◽  
Devender Bhalla ◽  
Abedin Iranpour ◽  
Reza Fadayevatan
Keyword(s):  
Physical Activity ◽  
Social Support ◽  
Self Efficacy ◽  
Pearson Correlation ◽  
Self Care ◽  
Population Based ◽  
Foot Care ◽  
Gender And Age ◽  
Kerman City ◽  
Population Based Survey

This survey examined association between social support and self-efficacy with self-care in elderly with diabetes. A total of 374 subjects were identified in Kerman city, Iran who responded to questionnaires on self-care, social support, and self-efficacy. Data were analyzed by using SPSS. Along with customary descriptive statistics, we also determined group difference for self-care, and Pearson correlation, and prediction value of various variables by using hierarchical multiple regression. And 67.37% of subjects were classified as poor adherence to self-care; 55.9% patients reportedly had good foot care habits, while 68.4% patients were not taking adequate physical activity. There was a significant correlation between self-care with social support and self-efficacy. Independent variables accounted for 44.3% of the variance in self-care. Diabetes care programs should aim to implement (a) weekly free-of-cost mass physical activity programs, (b) mass education adapted for gender- and age-based needs, and (c) informal social cohesion and companionship among general public.

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