Abstract:

BACKGROUND: It is believed that health factors, nutritional factors and aerobic metabolism are three common factors, which can be integrated to evaluate physical structure. However, the relative studies regarding minority university students in Guangxi are few.
OBJECTIVE: To analysis the physical characteristics of different groups of the ethnic minority people, which inhabited in Guangxi by ethnic minorities, in addition, to explore the influencing factors on health of university students.
METHODS: Totally 7 730 ethnic minority college students, recruited in Guangxi University for Nationalities from 2000 to 2008, who come from Guangxi, Yunnan, Sichuan, and Hunan province, including 3 270 boys and 4 460 girls, aged ranged from 18 to 22 years.  The physical shapes, performances, quality of physical condition of the ethnic minority college students in Guangxi were evaluated to investigate classification variables and continuous variables by using two-step Cluster and principal component analysis.
RESULTS AND CONCLUSION :  ①Clustering situation of minority college students were divided into 3 categories, there were 832 boys class named strong-type inⅠ, which accounted for 25.4%; Ⅱ category 1353 named thin-type for 41.40%); Ⅲ category 1 085 named weak-type, 33.20%. There were 1 725 girl class named weak-types inⅠ, which accounted for 38.7%; Ⅱ category  1 859 named thin-type for 41.70%; Ⅲ category 876 named strong-type for 19.6%. ②The contribution rate of four main components of the contribution rate are as follows: 46.875%, 24.022%, 9.667%, 8.317%. Respiratory metabolism, physical growth, strength, nutrition, Quenelles index, body index, Avoirdupois/high×100, vital capacities, vital capacity/height, vital capacity/avoirdupois, Rohrer index, of which 7 indicators were selected from the 13 projects of Physical test. ①Two-step cluster analysis showed that “strong-type” and "weak" and “thin-type” 3 kinds of people were classified by various ethnic groups into the best physical types. ②Principal components analysis demonstrated that nutrition, respiratory metabolism, strength, and physical growth are main factors of physical structures in minority students.