Prevalence and associated factors of unhealthy lifestyles among urbanchildren aged 7 to 12 years in Qingdao
GAO Yuting, SHAN Yanchun, ZHANG Chong, YANG Linlin, LI Shiji, YANG Zhaochuan
Chinese Journal of Child Health Care . 2026, (7): 737 -742 .  DOI: 10.11852/zgetbjzz2025-1225