![]() Encontrou-se 491 estudos e 38 foram incluídos na síntese qualitativa. Foram critérios de inclusão artigos originais publicados em revistas nacionais e internacionais, teses e dissertações completas disponíveis para download, com amostras que incluís-sem adolescentes brasileiros. As bases de dados utilizadas foram LILACS, Pub-med, SciELO e Scopus. A busca de dados foi de outubro de 2014 a abril de 2019. RESUMO Objetivou-se descrever aspectos metodológicos da pesquisa em comportamento sedentário e identi-ficar intervenções para redução do comportamento sedentário em adolescentes brasileiros. More research is needed among adolescents and adults. Three study arms among adults found composite screen time decreased by 130.2 minutes/day.Īmong children, these interventions demonstrated reduced screen time, increased physical activity, and improved diet- and weight-related outcomes. Improvements in physical activity and diet were reported. Children's composite screen time (TV viewing plus other forms of recreational sedentary screen time) decreased 26.4 (interquartile interval= -74.4, -12.0) minutes/day and obesity prevalence decreased 2.3 (interquartile interval= -4.5, -1.2) percentage points versus a comparison group. Most studies targeted children aged ≤13 years. Two types of behavioral interventions were evaluated that either (1) focus on reducing recreational sedentary screen time only (12 studies) or (2) focus equally on reducing recreational sedentary screen time and improving physical activity or diet (37 studies). Existing Community Guide systematic review methods were used. This Community Guide systematic review examined the effectiveness and economic efficiency of behavioral interventions aimed at reducing recreational (i.e., neither school- nor work-related) sedentary screen time, as measured by screen time, physical activity, diet, and weight-related outcomes.įor this review, an earlier ("original") review (search period, 1966 through July 2007) was combined with updated evidence (search period, April 2007 through June 2013) to assess effectiveness of behavioral interventions aimed at reducing recreational sedentary screen time. ![]() Obesity has potentially serious health consequences, such as heart disease and diabetes. Sedentary time spent with screen media is associated with obesity among children and adults.
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