11~18岁蒙古族男生首次遗精年龄与肥胖关系——以内蒙古自治区为例
The Relationship between the Age of First Spermatorrhea and Obesity in Mongolian Boys Aged 11 to 18 in Inner Mongolia Autonomous Region—Take Inner Mongolia Autonomous Region as an Example

目的：分析2014年内蒙古自治区11~18岁蒙古族男生营养状况与首次遗精年龄的关系，探索青少年青春期性发育情况，促进其健康成长提供依据。方法：选取“2014年内蒙古自治区学生体质与健康状态调查研究”中公布的11~18岁蒙古族男生身高、体重和首次遗精年龄三个指标，根据BMI标准分为四个营养状态，判断不同年龄段在城乡的营养情况；卡方检验分析四个营养状态下的首次遗精率；概率单位回归法算出肥胖与非肥胖组的半数首次遗精年龄并比较其差异性。结果：内蒙古自治区蒙古族11~18岁男生营养不良、超重和肥胖的检出率分别为0.6%、12.4%和6.1%，肥胖率统计城市高于乡村(x2 = 4.4, P = 0.036)。城市和乡村在不同年龄段、不同营养状态下的首次遗精率差异均无统计学意义。非肥胖组和肥胖组半数首次遗精年龄分别为15.91岁(95% CI为15.74~16.09)、15.5岁(95% CI为14.88~16.15)。经检验，肥胖组首次遗精年龄均早于非肥胖组，城市均早于乡村。结论：内蒙古自治区城市中蒙古族男生的肥胖率、肥胖和非肥胖组的首次遗精年龄高于乡村，肥胖男生的首次遗精年龄早于非肥胖男生。表明内蒙古自治区城市蒙古族青少年肥胖问题比乡村严重，同时，肥胖不仅影响青少年健康发育且有可能带来各种并发症，还可能导致首次遗精年龄提前等问题，需要引起注意。
Objective: This paper mainly analyzed the relationship between the nutritional status of Mongolian boys aged 11 to 18 years old in Inner Mongolia autonomous region and the age of first sperma-torrhea in 2014. Methods: The data were selected from the Inner Mongolia Autonomous Region Survey on students’ Constitution and Health in 2014. Select Mongolian boys aged 11 to 18 years old, measure their height, weight and age of first ejaculation three indicators, according to the BMI standard, divided into four nutrition status, determine different age groups, in urban and rural the nutritional situation of chi-square analysis of the nutrition condition of four seminal emission rate for the first time, probability unit regression method, calculate the half of the obese and non-obese group spermatorrhea age for the first time, and compare their differences. Results: The detection rates of malnutrition, overweight and obesity among Mongolian boys aged 11 - 18 in Inner Mongolia Autonomous Region were 0.6%, 12.4% and 6.1%, respectively, obesity rate was statistically higher in urban than in rural areas (x2 = 4.4, P = 0.036). The differences in the first sperm rate between urban and rural areas in different age groups and nutritional states were not statistically significant. The age of first sperm was 15.91 years (95% CI was 15.74 - 16.09) and 15.5 years (95% CI was 14.88 - 16.15). It was found that the age of first sperm in the obesity group was earlier than that in the non-obese group, and in urban areas it was earlier than in the countryside. Conclusion: The obesity rate, obesity and non-obesity age of Mongolian boys in inner Mongolia Autonomous Region were higher than that of rural areas, and the first sperm age of obese boys was earlier than that of non-obese boys. It is shown that the obesity problem of Mongolian teenagers in inner Mongolia Autonomous Region is more serious than that in rural areas, and that obesity not only affects the healthy development of adolescents and may bring