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Park environment and moderate-to-vigorous physical activity in parks among adolescents in a high-density city: the moderating role of neighbourhood income

  • Zhang, Ru1
  • Zhang, Chun-Qing2
  • Lai, Poh Chin3
  • Cheng, Wei3
  • Schüz, Benjamin4
  • Kwan, Mei-Po5, 5, 6
  • 1 South China Normal University, Guangzhou, China , Guangzhou (China)
  • 2 Sun Yat-Sen University, No. 132 Waihuan East Road, Guangzhou Higher Education Mega Center, Guangzhou, China , Guangzhou (China)
  • 3 The University of Hong Kong, Hong Kong, China , Hong Kong (China)
  • 4 University of Bremen, Bremen, Germany , Bremen (Germany)
  • 5 The Chinese University of Hong Kong, Hong Kong, China , Hong Kong (China)
  • 6 Utrecht University, Utrecht, The Netherlands , Utrecht (Netherlands)
Published Article
International Journal of Health Geographics
BioMed Central
Publication Date
Aug 16, 2021
DOI: 10.1186/s12942-021-00289-7
Springer Nature
  • Research


BackgroundUrban parks are critical environmental resources in which adolescents engage in physical activity (PA). Evidence on the associations between park environmental characteristics and park-based PA in adolescents is mixed, particularly for high-density cities. Evidence is also lacking concerning the moderating role of neighbourhood socioeconomic status on the park-PA relationships. The current study aimed to examine the associations between park environmental characteristics and moderate-to-vigorous physical activity (MVPA) in parks among adolescents in Hong Kong and the moderating effect of neighbourhood income on these associations.MethodsA cross-sectional study involving direct observations of adolescents was conducted in 32 randomly selected urban parks in Hong Kong. Park environmental characteristics were measured using the Community Park Audit Tool. Park-based MVPA among adolescents was measured using the System for Observation Play and Recreation in Communities. Neighbourhood income was extracted from the 2011 Hong Kong Population Census data on median household income.ResultsThere was a significant positive association between the quality of amenities and park-based MVPA (metabolic equivalents per observation) in adolescents. However, the associations between the diversity of active facilities, greenness and adolescents’ park-based MVPA were not significant. Neighbourhood income moderated the association between adolescents’ park-based MVPA and park safety, where the relationship between park safety and park-based MVPA was significantly positive in low-income neighbourhoods but not significant in high-income neighbourhoods. An income-by-environment interaction was also observed concerning park aesthetics, with a negative relationship between park aesthetics and park-based MVPA in high-income neighbourhoods but not in low-income neighbourhoods.ConclusionOur findings provide evidence regarding how park environment and neighbourhood income impact adolescents’ park-based MVPA in Hong Kong. These findings can inform urban planning and policymakers who seek to improve urban park development in high-density cities.

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