Objective To understand the influence of unique climate environment and dietary structure on morphological development in Tibetan areas,so as to provide theoretical basis for the influence of plateau environment and dietary structure on the morphological development of Tibetan primary and secondary school students. Methods Cluster sampling method was used in this survey.A total of 23 469 primary and secondary school students were selected from Tibetan and non-Tibetan areas in Sichuan province in November 2018.The height and weight of the students were measured,and body mass index (BMI) was calculated for analysis of overweight and obesity. Results The average height of Tibetan and Han primary and middle school students were (149.08±16.34)cm and (151.10±15.36)cm,respectively.And the average height of Tibetan students was significantly lower than that of Han students (P<0.05).The average weight of Tibetan and Han primary and middle school students were (44.98±14.40)kg and (45.55±13.57)kg,respectively.And the average weight of Tibetan male students was lower than that of Han students (P<0.05).The detection rate of overweight in Tibetan and Han primary and middle school students were 10.52% and 11.88%,respectively,and it was 6.14% and 7.95% for the detection rate of obesity.The detection rate of overweight and obesity in Tibetan male students were lower than that of Han (P<0.05). Conclusion The average height of Tibetan male primary and secondary school students is lower than that of Han students.The average weight and the detection rate of overweight and obesity of Tibetan primary and secondary school students are lower than that of Han.So it is suggested that Tibetan areas should strengthen nutrition improvement program for primary and secondary school students to ensure that diverse and balanced nutrients are provided,and ensure Tibetan primary and secondary school students grow up healthily.
Key words
height /
weight /
overweight /
obesity /
primary and secondary school students /
Tibetan and Han
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