Associations of outdoor activity and screen time with adiposity : findings from rural Chinese adolescents with relatively low adiposity risks
BACKGROUND: Whether and to what extent outdoor activity and screen time are relevant to adiposity among rural adolescents remain largely unknown as most of relevant evidence was generated from high-income countries and urban areas. This study aimed to investigate associations of outdoor activity and screen time with adiposity among early adolescents living in rural southwest China.
METHODS: In this cross-sectional study, seventh graders (n = 2264) were recruited from 10 middle schools of a rural county. Overweight and obesity was assessed using adolescents' body mass index and waist circumference. Adolescents' outdoor activity and screen time were measured using self-reported daily time spending on outdoor activity, watching TV, playing video games, and computers on weekdays and weekends, respectively.
RESULTS: The prevalence of overweight/obesity and high waist circumferences were 8.0 and 4.9% and were higher among those from one-child families and with parents having high school or higher education and whose fathers were not farmers. Adolescents who did not have ≥1 h outdoor activity on weekdays were more likely to be overweight/obese (OR: 1.86, 95% CI: 1.30, 2.66) and have high waist circumferences (OR: 2.22, 95%CI: 1.39, 3.57). Adolescents who had > 2 h screen time on weekends were more likely to have high waist circumferences (OR: 2.08, 95% CI: 1.14, 3.80). Lack of outdoor activity and excessive screen time also showed synergistic effects on overweight/obesity (OR: 1.93. 95% CI: 1.15, 3.24) and high waist circumferences (OR: 3.02, 95% CI: 1.54, 5.94).
CONCLUSIONS: Lack of outdoor activity and excessive screen time were relevant to adiposity among rural Chinese adolescents even when the obesity prevalence was low. Efforts to promote active lifestyles may help prevent rural adolescents from losing their advantage in the era of the global obesity epidemic.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:20 |
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| Enthalten in: |
BMC public health - 20(2020), 1 vom: 23. Nov., Seite 1769 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Youjie [VerfasserIn] |
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| Links: |
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| Themen: |
Early adolescents |
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| Anmerkungen: |
Date Completed 23.03.2021 Date Revised 23.03.2021 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1186/s12889-020-09897-7 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM317955632 |
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| 245 | 1 | 0 | |a Associations of outdoor activity and screen time with adiposity |b findings from rural Chinese adolescents with relatively low adiposity risks |
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| 500 | |a Date Revised 23.03.2021 | ||
| 500 | |a published: Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a BACKGROUND: Whether and to what extent outdoor activity and screen time are relevant to adiposity among rural adolescents remain largely unknown as most of relevant evidence was generated from high-income countries and urban areas. This study aimed to investigate associations of outdoor activity and screen time with adiposity among early adolescents living in rural southwest China | ||
| 520 | |a METHODS: In this cross-sectional study, seventh graders (n = 2264) were recruited from 10 middle schools of a rural county. Overweight and obesity was assessed using adolescents' body mass index and waist circumference. Adolescents' outdoor activity and screen time were measured using self-reported daily time spending on outdoor activity, watching TV, playing video games, and computers on weekdays and weekends, respectively | ||
| 520 | |a RESULTS: The prevalence of overweight/obesity and high waist circumferences were 8.0 and 4.9% and were higher among those from one-child families and with parents having high school or higher education and whose fathers were not farmers. Adolescents who did not have ≥1 h outdoor activity on weekdays were more likely to be overweight/obese (OR: 1.86, 95% CI: 1.30, 2.66) and have high waist circumferences (OR: 2.22, 95%CI: 1.39, 3.57). Adolescents who had > 2 h screen time on weekends were more likely to have high waist circumferences (OR: 2.08, 95% CI: 1.14, 3.80). Lack of outdoor activity and excessive screen time also showed synergistic effects on overweight/obesity (OR: 1.93. 95% CI: 1.15, 3.24) and high waist circumferences (OR: 3.02, 95% CI: 1.54, 5.94) | ||
| 520 | |a CONCLUSIONS: Lack of outdoor activity and excessive screen time were relevant to adiposity among rural Chinese adolescents even when the obesity prevalence was low. Efforts to promote active lifestyles may help prevent rural adolescents from losing their advantage in the era of the global obesity epidemic | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Early adolescents | |
| 650 | 4 | |a Outdoor activity | |
| 650 | 4 | |a Overweight and obesity | |
| 650 | 4 | |a Rural | |
| 650 | 4 | |a Screen time | |
| 650 | 4 | |a Waist circumference | |
| 700 | 1 | |a Zhang, Xiaofan |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Jun |e verfasserin |4 aut | |
| 700 | 1 | |a Zhong, Hua |e verfasserin |4 aut | |
| 700 | 1 | |a Pan, Chen-Wei |e verfasserin |4 aut | |
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