Association Between Anxiety and RRBs in Autistic Youth: Role of Ethnicity

Engineering notes

On average, autistic youth had significantly higher severity for stereotyped RRBs and restricted interests than youth with DD, controlling for age, intellectual developmental disorder (IDD) status, and primary language (ps < .001). Within the autistic sample, anxiety T-scores were significantly, positively correlated with all RRB subtypes (ps < .01).

Chinese explanation / 中文解读

中文解读待补充：本站会优先为端到端自动驾驶、BEV感知、3D目标检测、轨迹预测、路径规划、LiDAR感知等高价值论文补充中文说明。

Original abstract

Autistic youth are at elevated risk for developing co-occurring anxiety symptoms (Zaboski & Storch, 2018), which are shown to be related to restricted, repetitive behaviors (RRBs; Rogers et al., 2012). Despite similar rates of autism in Latinx as in non-Latinx White youth, limited research has been conducted in the Latinx population. Participants were autistic youth and youth with developmental delays (DD; N = 199, Mage = 4.98 years, Latinx = 66.3%, Male = 66.3%) from two larger randomized controlled trials investigating parenting stress. Child anxiety was measured via the Spence Anxiety Scales total anxiety T-scores. RRBs were measured via Repetitive Behavior Scale-Revised subscales: stereotyped, self-injurious, compulsive, ritualistic/sameness, and restricted interests. On average, autistic youth had significantly higher severity for stereotyped RRBs and restricted interests than youth with DD, controlling for age, intellectual developmental disorder (IDD) status, and primary language (ps < .001). Within the autistic sample, anxiety T-scores were significantly, positively correlated with all RRB subtypes (ps < .01). Autistic Latinx youth had significantly higher severity for ritualistic/sameness RRBs (p = .002), and restricted interests (p = .036) compared to their non-Latinx counterparts. However, identifying as Latinx did not significantly strengthen the relationship between anxiety and RRB subtypes (ps > .05). Our findings highlight the importance of analyzing RRB subtypes individually to clarify nuanced RRB presentation between cultural groups and youth with autism and DD. Given the strong relationship between anxiety and RRBs, clinicians should address anxiety symptoms when targeting RRBs and vice versa, and future studies should determine whether this relationship is bidirectional. Keywords: autism spectrum disorder, restricted repetitive behaviors, child internalizing behaviors, child anxiety, developmental delays

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