Children's behavioural and emotional wellbeing during the COVID-19 pandemic: Findings from the Born in Bradford COVID-19 mixed methods longitudinal study

Extended data. Table 1. A breakdown of participants' ethnicity and IMD category. Graph 1. Proportion of children (8-12 years) reaching threshold for mental health problems (using SDQ classification). Born in Bradford cohort and split by ethnic group and IMD category pre-pandemic and during the pandemic (March-June 2020). Table 2. Factors influencing BiBGU participants' SDQ (reaching the threshold for social and emotional difficulties) from the BiBGU data (cross-sectional analysis), n=851.

补充数据。表1：参与者种族与多重剥夺指数（Index of Multiple Deprivation, IMD）分组情况。图1：8至12岁儿童达到心理健康问题临界值的比例（采用长处与困难问卷（Strengths and Difficulties Questionnaire, SDQ）分类标准）。数据来自布拉德福德出生队列（Born in Bradford cohort），按种族与多重剥夺指数分组，对比疫情前与疫情期间（2020年3月至6月）的相关结果。表2：基于BiBGU数据的横断面分析，探讨影响BiBGU参与者长处与困难问卷得分（达到社交与情绪困难临界值）的相关因素，样本量n=851。