Reliability of a questionnaire on substance use among adolescent students, Brazil
Autor(a) principal: | |
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Data de Publicação: | 2010 |
Outros Autores: | , , , , , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista de Saúde Pública |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0034-89102010000500008 |
Resumo: | OBJECTIVE: To analyze reliability of a self-applied questionnaire on substance use and misuse among adolescent students. METHODS: Two cross-sectional studies were carried out for the instrument test-retest. The sample comprised male and female students aged 1119 years from public and private schools (elementary, middle, and high school students) in the city of Salvador, Northeastern Brazil, in 2006. A total of 591 questionnaires were applied in the test and 467 in the retest. Descriptive statistics, the Kappa index, Cronbach's alpha and intraclass correlation were estimated. RESULTS: The prevalence of substance use/misuse was similar in both test and retest. Sociodemographic variables showed a "moderate" to "almost perfect" agreement for the Kappa index, and a "satisfactory" (>0.75) consistency for Cronbach's alpha and intraclass correlation. The age which psychoactive substances (tobacco, alcohol, and cannabis) were first used and chronological age were similar in both studies. Test-retest reliability was found to be a good indicator of students' age of initiation and their patterns of substance use. CONCLUSIONS: The questionnaire reliability was found to be satisfactory in the population studied. |
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Reliability of a questionnaire on substance use among adolescent students, BrazilQuestionnairesAdolescentAdolescent BehaviorIllicit drugsReproducibility of ResultsOBJECTIVE: To analyze reliability of a self-applied questionnaire on substance use and misuse among adolescent students. METHODS: Two cross-sectional studies were carried out for the instrument test-retest. The sample comprised male and female students aged 1119 years from public and private schools (elementary, middle, and high school students) in the city of Salvador, Northeastern Brazil, in 2006. A total of 591 questionnaires were applied in the test and 467 in the retest. Descriptive statistics, the Kappa index, Cronbach's alpha and intraclass correlation were estimated. RESULTS: The prevalence of substance use/misuse was similar in both test and retest. Sociodemographic variables showed a "moderate" to "almost perfect" agreement for the Kappa index, and a "satisfactory" (>0.75) consistency for Cronbach's alpha and intraclass correlation. The age which psychoactive substances (tobacco, alcohol, and cannabis) were first used and chronological age were similar in both studies. Test-retest reliability was found to be a good indicator of students' age of initiation and their patterns of substance use. CONCLUSIONS: The questionnaire reliability was found to be satisfactory in the population studied.Faculdade de Saúde Pública da Universidade de São Paulo2010-10-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0034-89102010000500008Revista de Saúde Pública v.44 n.5 2010reponame:Revista de Saúde Públicainstname:Universidade de São Paulo (USP)instacron:USP10.1590/S0034-89102010000500008info:eu-repo/semantics/openAccessMachado Neto,Adelmo de SouzaAndrade,Tarcisio MatosFernandes,Gilênio BorgesZacharias,Helder PauloCarvalho,Fernando MartinsMachado,Ana Paula SouzaDias,Ana Carmen CostaGarcia,Ana Carolina RochaSantana,Lauro ReisRolin,Carlos EduardoSampaio,CyntiaGhiraldi,GiseleBastos,Francisco Inácioeng2010-09-20T00:00:00Zoai:scielo:S0034-89102010000500008Revistahttp://www.scielo.br/scielo.php?script=sci_serial&pid=0034-8910&lng=pt&nrm=isoONGhttps://old.scielo.br/oai/scielo-oai.phprevsp@org.usp.br||revsp1@usp.br1518-87870034-8910opendoar:2010-09-20T00:00Revista de Saúde Pública - Universidade de São Paulo (USP)false |
dc.title.none.fl_str_mv |
Reliability of a questionnaire on substance use among adolescent students, Brazil |
title |
Reliability of a questionnaire on substance use among adolescent students, Brazil |
spellingShingle |
Reliability of a questionnaire on substance use among adolescent students, Brazil Machado Neto,Adelmo de Souza Questionnaires Adolescent Adolescent Behavior Illicit drugs Reproducibility of Results |
title_short |
Reliability of a questionnaire on substance use among adolescent students, Brazil |
title_full |
Reliability of a questionnaire on substance use among adolescent students, Brazil |
title_fullStr |
Reliability of a questionnaire on substance use among adolescent students, Brazil |
title_full_unstemmed |
Reliability of a questionnaire on substance use among adolescent students, Brazil |
title_sort |
Reliability of a questionnaire on substance use among adolescent students, Brazil |
author |
Machado Neto,Adelmo de Souza |
author_facet |
Machado Neto,Adelmo de Souza Andrade,Tarcisio Matos Fernandes,Gilênio Borges Zacharias,Helder Paulo Carvalho,Fernando Martins Machado,Ana Paula Souza Dias,Ana Carmen Costa Garcia,Ana Carolina Rocha Santana,Lauro Reis Rolin,Carlos Eduardo Sampaio,Cyntia Ghiraldi,Gisele Bastos,Francisco Inácio |
author_role |
author |
author2 |
Andrade,Tarcisio Matos Fernandes,Gilênio Borges Zacharias,Helder Paulo Carvalho,Fernando Martins Machado,Ana Paula Souza Dias,Ana Carmen Costa Garcia,Ana Carolina Rocha Santana,Lauro Reis Rolin,Carlos Eduardo Sampaio,Cyntia Ghiraldi,Gisele Bastos,Francisco Inácio |
author2_role |
author author author author author author author author author author author author |
dc.contributor.author.fl_str_mv |
Machado Neto,Adelmo de Souza Andrade,Tarcisio Matos Fernandes,Gilênio Borges Zacharias,Helder Paulo Carvalho,Fernando Martins Machado,Ana Paula Souza Dias,Ana Carmen Costa Garcia,Ana Carolina Rocha Santana,Lauro Reis Rolin,Carlos Eduardo Sampaio,Cyntia Ghiraldi,Gisele Bastos,Francisco Inácio |
dc.subject.por.fl_str_mv |
Questionnaires Adolescent Adolescent Behavior Illicit drugs Reproducibility of Results |
topic |
Questionnaires Adolescent Adolescent Behavior Illicit drugs Reproducibility of Results |
description |
OBJECTIVE: To analyze reliability of a self-applied questionnaire on substance use and misuse among adolescent students. METHODS: Two cross-sectional studies were carried out for the instrument test-retest. The sample comprised male and female students aged 1119 years from public and private schools (elementary, middle, and high school students) in the city of Salvador, Northeastern Brazil, in 2006. A total of 591 questionnaires were applied in the test and 467 in the retest. Descriptive statistics, the Kappa index, Cronbach's alpha and intraclass correlation were estimated. RESULTS: The prevalence of substance use/misuse was similar in both test and retest. Sociodemographic variables showed a "moderate" to "almost perfect" agreement for the Kappa index, and a "satisfactory" (>0.75) consistency for Cronbach's alpha and intraclass correlation. The age which psychoactive substances (tobacco, alcohol, and cannabis) were first used and chronological age were similar in both studies. Test-retest reliability was found to be a good indicator of students' age of initiation and their patterns of substance use. CONCLUSIONS: The questionnaire reliability was found to be satisfactory in the population studied. |
publishDate |
2010 |
dc.date.none.fl_str_mv |
2010-10-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0034-89102010000500008 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0034-89102010000500008 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S0034-89102010000500008 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Faculdade de Saúde Pública da Universidade de São Paulo |
publisher.none.fl_str_mv |
Faculdade de Saúde Pública da Universidade de São Paulo |
dc.source.none.fl_str_mv |
Revista de Saúde Pública v.44 n.5 2010 reponame:Revista de Saúde Pública instname:Universidade de São Paulo (USP) instacron:USP |
instname_str |
Universidade de São Paulo (USP) |
instacron_str |
USP |
institution |
USP |
reponame_str |
Revista de Saúde Pública |
collection |
Revista de Saúde Pública |
repository.name.fl_str_mv |
Revista de Saúde Pública - Universidade de São Paulo (USP) |
repository.mail.fl_str_mv |
revsp@org.usp.br||revsp1@usp.br |
_version_ |
1748936499208912896 |