Zhang, Feng; Yin, Xiaojian; Bi, Cunjian; Ji, Liu; Wu, Huipan; u. a.

Psychological symptoms are associated with screen and exercise time: a cross-sectional study of Chinese adolescents.

BMC public health, 20/2020/art. 1695, 12 S.

english

2020

research report; periodical article

adolescence; activity; screen media; body mass index; emotional effect; leisure time activity; gender difference; health education; adolescent; correlation; rural population; media use; media effect; passiveness; prevention; mental condition; mental disorder; mental health; written survey; student survey; viewing time; social behaviour; sport; urban population; behaviour; time budget