新冠疫情大流行期间儿童及青少年新发焦虑症状的纵向研究
王晓玉, 彭银辉, 马文琳, 姚博爽, 李一凡, 赵莉, 杨春霞

A longitudinal study on new onset anxiety among children and adolescents during the COVID-19 epidemic
WANG Xiaoyu, PENG Yinhui, MA Wenlin, YAO Boshuang, LI Yifan, ZHAO Li, YANG Chunxia
表1 所有研究对象的一般人口学特征（n=5 566）
Tab 1 General demographic characteristics of all study subjects （n=5 566）
Baseline characteristicn(%)
Gender
Male3 006 (54.01)
Female2 560 (45.99)
Age/year
≥6 and <9805 (14.46)
≥9 and <122 401 (43.14)
≥12 and <152 191 (39.36)
≥15169 (3.04)
Nationality
Han5 518 (99.14)
Others48 (0.86)
Grade
1‒63 874 (69.60)
7‒91 692 (30.40)
Region
Urban3 555 (63.87)
Rural2 011 (36.13)