The Journal of adolescent health : official publication of the Society for Adolescent Medicine
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This study explored the association of maternal age at menarche (AAM) with pubertal timing among girls and boys in Chongqing, China. ⋯ Earlier maternal AAM was related to earlier pubertal timing in both girls and boys in Chongqing, especially girls' age at menarche and boys' first ejaculation. Children's BMIz was the most consistent factor for pubertal timing. Children's BMIz and socioeconomic conditions had greater influence on most pubertal milestones than maternal AAM.
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Observational Study
Youth Mask-Wearing and Social-Distancing Behavior at In-Person High School Graduations During the COVID-19 Pandemic.
Reopening schools during the COVID-19 pandemic is a challenging policy issue that requires mitigation strategies, such as mask-wearing and social distancing. Whether youth will conform to these strategies is unclear. ⋯ This study provides important insights into youth conformity to COVID-19 guidelines and strategies to protect public health during in-person schooling.