Parents’ reasons for JPC and sociodemographic characteristics of parents and children presented as mean values, ranges and standard deviations (SDs) or as numbers and percentages.

Parents’ reasons for JPC and sociodemographic characteristics of parents and children presented as mean values, ranges and standard deviations (SDs) or as numbers and percentages.本次数据集涵盖家长选择JPC的动因，以及家长与儿童的社会人口学特征，相关统计数据以均值、极差与标准差（standard deviations，SD），或以频数与百分比的形式呈现。