Sociodemographic and anthropometric factors associated with screen-based sedentary behavior among Japanese adults: a population-based cross-sectional study

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  • Ishii Kaori
    Faculty of Sport Sciences, Waseda University
  • Shibata Ai
    Faculty of Sport Sciences, Waseda University Faculty of Health and Sport Sciences, University of Tsukuba
  • Oka Koichiro
    Faculty of Sport Sciences, Waseda University

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Other Title
  • 日本人成人におけるスクリーンタイムの座位行動に関連する社会人口統計学的要因および身体的特徴―地域住民を対象とした横断研究
  • 日本人成人におけるスクリーンタイムの座位行動に関連する社会人口統計学的要因および身体的特徴 : 地域住民を対象とした横断研究 : Journal of Epidemiologyに掲載された英語論文の日本語による二次出版
  • ニホンジン セイジン ニ オケル スクリーンタイム ノ ザイ コウドウ ニ カンレン スル シャカイ ジンコウ トウケイガクテキ ヨウイン オヨビ シンタイテキ トクチョウ : チイキ ジュウミン オ タイショウ ト シタ オウダン ケンキュウ : Journal of Epidemiology ニ ケイサイ サレタ エイゴ ロンブン ノ ニホンゴ ニ ヨル ニジ シュッパン
  • Secondary publication in Japanese language of an original English article published in the Journal of Epidemiology
  • Journal of Epidemiologyに掲載された英語論文の日本語による二次出版

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<p>Background: Concern over the health risks of sedentary behavior has highlighted the need to examine factors associated with screen-based (television/computer) sedentary behavior. The present study examined the association of screen-based sedentary behavior with body weight and sociodemographic attributes among Japanese adults.</p><p>Methods: A population-based cross-sectional study enrolled 1034 Japanese adults aged 40 to 69 years who lived in 2 Japanese cities. Sociodemographic variables, height, weight, and time spent on screen-based sedentary behavior were collected by self-administered questionnaire. Differences in screen time in relation to body mass index and weight gain since age 20 years were assessed by the Mann-Whitney U test. Independent associations of each variable with screen time were examined by forced-entry logistic regression analyses.</p><p>Results: Mean (SD) age and median (interquartile range) duration of screen time per week were 55.6 (8.4) years and 832.0 (368.8–1263.1) minutes, respectively, for men, and 55.3 (8.4) years and 852.6 (426.0–1307.5) minutes, respectively, for women. Screen time among participants with weight gain was longer than among those with a weight gain of less than 10 kg (P = 0.08). Unmarried and unemployed participants had longer screen times. Participants aged 40 to 49 years were less likely than older age groups to spend time on screen-based sedentary behavior during leisure hours.</p><p>Conclusions: The present findings imply that strategies are necessary to discourage screen-based sedentary behavior among all demographic groups, especially among adults who are elderly, unmarried, or unemployed.</p>

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