Author

Lei Wang

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Open access Aug 2026

Body mass index and physical fitness in university students: sex differences and nonlinear patterns in a large cross-sectional study

Background Body mass index (BMI) is routinely used in university health surveillance, but its sex- and grade-specific association with multidimensional physical fitness, including nonlinear patterns, remains unclear. Methods Data from 16,292 university students (8,505 females; 7,787 males; aged 17–23 years) who complet...

Qiang Wei, Lei Wang, Chun Yang et al. · PeerJ · 0 citations

Open access Aug 2026

Square dance participation and subjective well-being among urban older adults: mediating roles of social support and optimism

Background Promoting a happier society is an important goal of social development, and subjective well-being is a key indicator of quality of life. With population aging in China, older adults may be more vulnerable to negative emotional states. Group-based physical activities, such as square dance, have become popular...

Longan Cao, Zhirong Zheng, Jun Lang et al. · Frontiers in Psychology · 0 citations