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Current situation and comparison of age at menarche in 26 ethnic minority groups in Chinese girls in 2010
Ist Teil von
Beijing da xue xue bao. Journal of Peking University. Yi xue ban, 2014-06, Vol.46 (3), p.360
Ort / Verlag
China
Erscheinungsjahr
2014
Quelle
MEDLINE
Beschreibungen/Notizen
To analyze the current situation of age at menarche (AAM) in Chinese ethnic minority girls aged 9-18 years, and compare the AAM with that of Chinese Han girls from the same province or autonomous region.
Probit analyses were used to calculate the AAM in various ethnic minority groups of Chinese girls who participated in 2010 National Physical Fitness and Health Surveillance. The sample size of ethnic minority girls was 31 711, and the ethnic minorities were Mongolian, Hui, Tibetan, Uighur, Miao, Yi, Zhuang, Buyi, Korean, Dong, Yao, Bai, Tujia, Hani, Kazak, Dai, Li, Lisu, Wa, Shui, Dongxiang, Naxi, Kirgiz, Tu, Qiang and Sala. The local Han girls to compare with the AAM were also surveyed in 2010 National Physical Fitness and Health Surveillance.
In the 13-year-old group, the percentage of menarche in Sala was the lowest (32.17%), while that in Korean was the highest (93.23%). At the age of 18, 99.60% ethnic minority girls appeared menstruating. The AAM of the top 3 ethnic minority groups were Korean (11.79 yea