ヴロツワフ大学の研究を紹介します。体臭から子供も大人も神経症的傾向度合いをある程度予見できるようです。一方で「支配性」の性格を体臭から予見できるのは大人だけでした。
The correlations between scent ratings and the self-assessed personality dimensions of odor donors were analyzed. The results show that both children and adults assess neuroticism relatively accurately, whereas only adults recognized dominance.
Assessing Personality Using Body Odor: Differences Between Children and Adults