Abstract
Psychotic-like experiences (PLEs) are subclinical psychotic symptoms in the general population which are linked to increased risks for later psychiatric disorders. Male and female adolescents were reported to experience PLEs differently, but the results were mixed in previous studies. This study aimed to investigate possible sex differences in the prevalence of adolescent PLEs using a large pooled sample. A total of 21,248 Chinese adolescents aged 11 to 19 years were included, which were drawn from five separate cross-sectional surveys undertaken between 2015 to 2021 in China. PLEs were measured by the 8-item Community Assessment of Psychic Experiences. Using binary logistic regression analyses, no significant sex differences were found in the overall prevalence of PLEs after controlling for age and dataset effects. As for specific PLE subtypes, however, being female was associated with a higher prevalence of delusion of reference and a lower prevalence of visual hallucinations. Furthermore, post-hoc subgroup analyses showed that the sex differences in visual hallucinations persist across both early (<= 14 years old) and late (> 14 years old) adolescence, while differences in the delusion of reference were significant in only early adolescence. These findings may help us to further understand the biological basis of PLEs.
Published Version
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