Sociodemographic characteristics according to the presence of depressive symptoms in the study sample.‡

‡Share or mean (standard error].†p values under the chi-square and Mann-Whitney U tests..*pn.s.: non-significant.Sociodemographic characteristics according to the presence of depressive symptoms in the study sample.‡‡ 指代占比或均值（标准误）。† 指代卡方检验（chi-square test）与曼-惠特尼U检验（Mann-Whitney U test）所得的p值。*pn.s. 表示无统计学意义（non-significant）。本研究样本中依据抑郁症状存在情况划分的社会人口学特征‡。