TCI NS subscale scores of Sasang types. There were significant differences between Sasang types. The So-Yang types scored higher on the NS2 (5.11 ± 2.54) and NS4 (7.32 ± 4.00) subscales than the Tae-Eum types (3.62 ± 2.31 and 5.58 ± 3.02), F(2, 147) = 3.880, p = 0.023 and F(2, 147) = 4.250, p = 0.016, respectively. Whisker represents standard errors. NS1, Exploratory Excitability vs Stoic Rigidity; NS2, Impulsiveness vs Reflection; NS3, Extravagance vs Reserve; NS4, Disorderliness vs Regimentation.