Table 3.

Preprocessed dataset characteristics.

Variable	Description
Gender	Categorical variable: 1 = boy; 2 = girl.
Age_Years	Numeric variable. Represents the age of the child (range: 1–18 years).
Ethnicity	Categorical variable: 1 = Asian, 2 = Black, 3 = Hispanic, 4 = Latino, 5 = Middle Eastern, 6 = Mixed, 7 = Native Indian, 8 = Others, 9 = Pacifica, 10 = South Asian, and 11 = White European.
Family_mem_with_ASD	Binary variable: 1 = yes; 2 = no. Indicates if any family member has ASD.
Rater	Categorical variable indicating who completed the test. 1 = Family member, 2 = Healthcare professional, 3 = Others.
ASD_traits (Dependent Variable)	Binary variable: 1 = yes; 2 = no. Represents if ASD traits are present.
Social Responsiveness Scale (SRS)	Numeric variable ranging from 1 to 10. Measures the severity of social impairment. Missing values are present.
CARS	Numeric variable ranging from 1 to 10. Higher values indicate more severe symptoms. Missing values are present.
A1 to A10 (Autism Spectrum Quotient)	Binary variables (0 = no; 1 = yes). Represents responses to a series of questions related to autism traits.
AQ10 (Autism Quotient Score)	Numeric variable ranging from 1 to 10. Measures autism-trait severity.