Table 2. Demographic features of high (30%), middle and low (30%) SPQ score groups.

Biopsychological structure of Yin-Yang using Cloninger’s Temperament model and Carver and White’s BIS/BAS scale. The high, middle and low SPQ score group was allocated based on the percentile order of SPQ score.

	High SPQ (30≤)	Middle SPQ (25≤ and ≤29)	Low SPQ (≤24)
Male/female	22/34	38/38	30/26	χ2 = 2.521, df = 2, p = .283
Age	29.37 ± 4.26	29.26 ± 4.31	30.94 ± 6.54	F = (2, 185) = 2.056, p = 0.131
Education				χ2 = .907, df = 2, p = .635
Bachelor	38	57	39
Master	18	19	17

Notes.

SPQ

Sasang Personality Questionnaire