Nature human behaviour · 2026
Loneliness and desire for thinness explain sex differences in adolescent internalizing problems.
СтатьяНазвание и аннотация: Перевод в очереди
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Narita Zui C, Knowles Gemma, Sawyer Susan M, Yamasaki Syudo, Moreno-Agostino Darío, DeVylder Jordan, Niimura Junko, Nakajima Naomi, Yamaguchi Satoshi, Hosozawa Mariko, Nakanishi Miharu, Sawai Yutaka, Nagaoka Daiki, Sasaki Ryo, Zhou Rui, Yamane Naho, Cosse Jacqueline, Stanyon Daniel, Goto Haruka, Tanaka Riki, Uno Akito, Usami Satoshi, Ando Shuntaro, Hiraiwa-Hasegawa Mariko, Furukawa Toshi A, Shinozaki Tomohiro, Kasai Kiyoto, Patel Vikram, Nishida Atsushi, Bridging Divides Young Persons Advisory Group
Аннотация
Girls are at higher risk of internalizing problems than boys. This disparity has widened in recent decades, but the underlying mechanisms remain understudied. Here we analysed data from 3,171 adolescents (46.9% girls) within the Tokyo Teen Cohort, assessed at ages 12, 14 and 16 years. At age 16, girls showed higher prevalence of internalizing problems than boys: depressive symptoms (15.9% versus 8.2%) and suicidal ideation (29.8% versus 18.1%). Coproduction with young people suggested loneliness and desire for thinness as candidate pathways. Using the mediational g-formula, we estimated that the effect through these factors at age 14 relative to the total effect of female sex was 34.7% for depressive symptoms and 46.3% for suicidal ideation at age 16. These findings suggest that social intermediates may contribute to the higher prevalence of internalizing problems among girls in this cohort, highlighting potential targets for interventions and policies informed by young people.