经研究，反应性依恋障碍（Reactive Attachment Disorder，RAD）的发病与患者童年早期的受虐待经历有关。目前，尚缺乏对RAD在幼儿以外的其他人群中的患病率的研究资料。近期发表于《英国精神病学杂志》（The British Journal of Psychiatry)网络版的一项相关研究的结果显示，RAD在贫困儿童中并不罕见。
研究对来自英国城市中心贫民区的1646名年龄在6-8岁之间的儿童进行了RAD症状筛查。采用半结构式访谈形式对高分和低分儿童的家长进行访问，收集相关精神病理学资料。对RAD疑似患者进行面对面评估。
参与研究的92.8% 的老师和65.8%的 家长反馈了调查问卷结果。一半的研究资料来自于受试者，另一半缺失的的资料以基线数据为基础确定。对以上这些资料进行分析后，研究者发现其中的23名儿童明确符合RAD诊断。在此受试人群中，RAD的患病率约为1.40%（95%CI 0.94-2.10）。
与障碍相关的拓展阅读：
Prevalence of reactive attachment disorder in a deprived population
Background
Reactive attachment disorder (RAD) is associated with early childhood maltreatment and has unknown population prevalence beyond infancy.
Aims
To estimate RAD prevalence in a deprived population of children.
Method
All 1646 children aged 6-8 years old in a deprived sector of an urban UK centre were screened for RAD symptoms. Parents of high and low scorers were interviewed using semi-structured interviews probing for psychopathology and individuals likely to have RAD were offered face-to-face assessment.
Results
Questionnaire data were available from 92.8% of teachers and 65.8% of parents. Assessments were conducted with 50% of those invited and missing data were imputed - based on the baseline data - for the rest. We calculated that there would be 23 children with definite RAD diagnoses, suggesting that the prevalence of RAD in this population was 1.40% (95% CI 0.94-2.10).
Conclusions
In this deprived general population, RAD was not rare.
Royal College of Psychiatrists
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