Brief Report: The Broad Autism Phenotype in Swedish Parents of Children With and Without Autism Spectrum Conditions.

Researchers created a Swedish version of a questionnaire that measures autism-like traits in family members of autistic people. They tested it with parents of autistic and non-autistic children. The Swedish version worked well and accurately measured three areas: social difficulties, communication challenges, and inflexible thinking patterns. This tool could help identify autism-related traits in family members.

This study validated a Swedish translation of the Broad Autism Phenotypic Questionnaire (BAPQ), a tool designed to measure autism-related traits in relatives of autistic individuals. Researchers tested the questionnaire with 45 parents of autistic children and 74 parents of non-autistic children. The Swedish BAPQ maintained the original three-factor structure (aloof, pragmatic language, and rigid characteristics), demonstrated good internal consistency, and showed convergent validity with the established Autism Quotient measure. The findings suggest the Swedish BAPQ is psychometrically sound and suitable for identifying the broad autism phenotype in non-clinical populations, potentially supporting research and clinical assessment in Swedish-speaking communities.

Provides validated tool for measuring autism-related traits in Swedish-speaking family members. May support genetic counseling, family assessment, and research into familial autism characteristics. Could inform understanding of hereditary aspects of autism spectrum conditions in clinical practice.

Small sample size (119 total participants). Study focused only on psychometric validation without examining clinical outcomes or intervention implications. Limited to Swedish population, potentially affecting generalizability to other cultural contexts.

The broad autism phenotype (BAP) is a set of characteristics often observed in typically developing people with a genetic load for autism, such as parents of autistic children. The Broad Autism Phenotypic Questionnaire (BAPQ) is a 36-item questionnaire developed to identify the BAP in first-degree relatives of autistic people. We translated the BAPQ into Swedish and examined its psychometric properties in a Swedish sample consisting of 45 parents of children with ASC and 74 parents of non-autistic children. We found support for the original 3-factor structure (aloof, pragmatic language and rigid), good internal consistency and convergent validity with the Autism Quotient.

Thus, the Swedish BAPQ exhibits acceptable psychometric properties and may be useful for assessing the BAP in non-clinical populations.