Prevalence of stunting among students under the Nutrition Improvement Program for Rural Compulsory Education Students during 2012-2017
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摘要:
目的 分析2012—2017年中国中西部贫困农村营养改善计划地区学生生长迟缓状况,为促进中国贫困农村儿童的营养健康提供基础数据。 方法 利用2012—2017年连续6年农村义务教育学生营养改善计划监测评估中6~15岁学生的身高数据,按照《学龄儿童青少年营养不良筛查标准》(WS/T 456—2014)筛选生长迟缓,比较中西部、男女生、不同年龄段学生的生长迟缓检出率及其变迁。 结果 2012—2017年,监测地区6~15岁学生的生长迟缓检出率各年份分别为8.0%,7.9%,6.9%,6.5%,6.0%和5.3%,5年间下降了2.7百分点,中部地区下降了1.8百分点,西部地区下降了4.0百分点;男生生长迟缓检出率共下降了2.7百分点,女生下降了2.9百分点;13岁下降幅度最高,为4.0百分点。 结论 2012—2017年农村学生营养改善计划地区6~15岁学生生长迟缓检出率呈逐年下降趋势,但总体仍较高,且存在一定的地区差异, 需要制定更有针对性的营养改善策略。 Abstract:Objective To analyze the prevalence of stunting among students received subsidies of the National Nutrition Improvement Program for rural Compulsory Education Students (NNIPRCES) during 2012-2017. Methods By using the data from 2012-2017 NNIPRCES survey, students aged 6-15 with valid height records were included. Stunting was defined according to the Screening Criteria of Malnutrition for School Age Children and Adolescents (WS/T 456—2014). To explore the association of the risk of stunting between different regions, gender or age groups in rural students. Results The prevalence of stunting among students aged 6-15 who received subsidies of NNIPRCES during 2012-2017 were 8.0%, 7.9%, 6.9%, 6.5%, 6.0% and 5.3%, declined by 2.7, 1.8, 4.0 percentage points in average, as well as in central and western region, respectively. The prevalence of stunting declined with 2.7 percentage points for boys and, 2.9 percentage points for girls. The prevalence of stunting declined most at the age of 13, with 4.0 percentage points. Conclusion The prevalence of stunting of students has declined after the implementation of NNIPRCES from 2012 to 2017. However, the total prevalence of stunting was still high and the development was unbalanced between central and western region, which requires more target intervening strategies to improve the nutritional status of students. -
Key words:
- Nutrition policy /
- Growth and development /
- Students /
- Rural population /
- Poverty areas
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表 1 中国2012—2017年营养改善计划地区调查学生一般情况分布
Table 1. Distribution of students in China Nutrition Improvement Program area during 2012-2017
变量 选项 2012年 2013年 2014年 2015年 2016年 2017年 性别 男 849 185 946 297 1 170 546 1 029 012 753 014 746 920 女 786 453 866 926 1 070 708 941 554 695 362 690 606 区域 中部 729 905 799 565 803 915 794 157 506 279 525 295 西部 905 733 1 013 658 1 437 339 1 176 409 942 097 912 231 年龄/岁 6 155 664 173 852 211 959 183 388 126 850 122 715 7 205 801 242 664 293 930 261 614 195 169 183 293 8 220 681 238 694 304 197 262 386 199 166 197 127 9 212 041 246 275 288 217 264 085 193 499 195 129 10 212 047 232 307 298 676 248 657 193 484 187 074 11 207 415 217 223 270 001 245 303 174 031 180 966 12 162 455 175 790 210 126 178 548 137 395 129 952 13 110 569 126 806 160 382 136 537 96 878 104 798 14 94 030 96 408 130 558 119 417 82 595 86 544 15 54 935 63 204 73 208 70 631 49 309 49 928 合计 1 635 638 1 813 223 2 241 254 1 970 566 1 448 376 1 437 526 表 2 中国2012—2017年营养改善计划地区6~15岁学生生长迟缓检出率/%
Table 2. Prevalence of growth retardation of students in China Nutrition Improvement Program area during 2012-2017/%
地区 年龄/岁 2012年 2013年 2014年 2015年 2016年 2017年 男生 女生 小计 男生 女生 小计 男生 女生 小计 男生 女生 小计 男生 女生 小计 男生 女生 小计 中部 6 5.6 5.5 5.5 5.8 5.3 5.5 4.5 4.0 4.3 3.1 2.7 2.9 2.9 2.6 2.8 3.1 2.9 3.0 7 5.3 5.0 5.1 5.7 5.3 5.5 4.6 4.3 4.5 3.5 3.1 3.3 3.1 3.0 3.0 3.2 2.8 3.0 8 4.9 4.8 4.9 5.1 4.8 5.0 4.7 4.1 4.4 3.9 3.4 3.7 3.6 3.2 3.4 3.1 2.8 3.0 9 5.7 4.9 5.3 6.1 5.1 5.7 5.6 4.3 5.0 4.6 3.4 4.0 4.5 3.2 3.8 4.5 3.1 3.8 10 5.9 4.4 5.2 6.1 4.4 5.3 5.6 4.1 4.9 4.7 3.2 4.0 3.9 2.8 3.4 4.1 2.8 3.5 11 5.1 5.2 5.2 5.1 5.3 5.2 4.7 4.7 4.7 4.5 4.2 4.4 3.7 3.4 3.5 3.3 3.4 3.4 12 5.0 5.3 5.1 4.9 5.3 5.1 4.3 4.7 4.4 4.1 4.2 4.1 3.5 3.3 3.4 3.1 2.9 3.0 13 3.6 4.8 4.2 3.7 5.5 4.6 3.2 4.3 3.8 2.7 3.8 3.2 2.2 2.9 2.5 1.9 2.5 2.2 14 3.2 3.6 3.4 3.6 3.9 3.8 3.7 3.6 3.6 3.0 3.0 3.0 2.1 2.7 2.4 1.9 2.1 2.0 15 7.7 4.5 6.1 8.1 4.8 6.5 8.0 4.5 6.4 8.6 4.1 6.5 7.6 4.3 6.1 7.6 4.0 6.0 小计 5.2 4.9 5.0 5.4 5.0 5.2 4.8 4.3 4.5 4.0 3.4 3.8 3.6 3.1 3.3 3.4 2.9 3.2 西部 6 7.3 6.7 7.0 6.8 5.6 6.2 5.7 4.9 5.3 5.7 4.9 5.3 5.0 4.2 4.6 4.4 3.8 4.1 7 8.8 7.8 8.3 8.4 7.0 7.7 7.0 5.9 6.5 7.2 6.0 6.6 6.2 5.1 5.7 5.5 4.7 5.1 8 9.9 8.7 9.3 9.6 8.3 9.0 8.1 6.8 7.5 8.1 6.6 7.4 7.2 6.0 6.6 6.6 5.3 6.0 9 12.2 9.9 11.1 11.9 9.1 10.5 10.6 7.6 9.1 10.4 7.5 9.0 9.2 6.7 8.0 8.7 6.2 7.5 10 13.2 9.4 11.3 12.3 8.5 10.5 10.5 6.8 8.7 10.8 7.2 9.1 9.9 6.2 8.1 8.5 5.3 7.0 11 11.5 10.7 11.1 11.2 10.3 10.8 8.9 8.0 8.5 9.1 8.4 8.8 8.2 7.4 7.8 7.3 6.3 6.8 12 12.2 12.0 12.1 11.6 11.2 11.4 9.5 9.0 9.3 9.6 9.1 9.4 8.4 7.7 8.1 7.4 6.6 7.0 13 11.2 13.4 12.3 11.5 13.5 12.5 8.4 9.9 9.1 9.0 10.2 9.5 7.2 8.5 7.8 5.7 6.6 6.2 14 9.9 10.3 10.1 10.3 10.0 10.2 8.4 8.2 8.3 8.6 7.9 8.3 8.1 7.4 7.7 5.2 5.7 5.5 15 16.8 10.9 13.9 16.4 10.8 13.7 15.7 9.1 12.6 18.1 10.2 14.3 15.9 9.2 12.7 14.1 8.6 11.4 小计 11.1 9.8 10.5 10.8 9.2 10.0 9.0 7.4 8.2 9.2 7.5 8.4 8.1 6.6 7.4 7.1 5.7 6.5 总体 6 6.4 6.1 6.2 6.2 5.4 5.9 5.1 4.5 4.8 4.5 3.9 4.2 4.2 3.6 3.9 3.9 3.4 3.7 7 7.1 6.5 6.8 7.1 6.2 6.7 6.1 5.3 5.7 5.6 4.8 5.2 5.1 4.3 4.7 4.7 4.0 4.4 8 7.6 6.9 7.3 7.6 6.7 7.2 6.9 5.8 6.4 6.4 5.3 5.8 5.9 5.0 5.5 5.3 4.4 4.9 9 9.3 7.7 8.6 9.3 7.4 8.4 8.8 6.4 7.6 8.1 5.8 7.0 7.5 5.4 6.5 7.1 5.0 6.1 10 10.0 7.2 8.7 9.7 6.8 8.3 8.8 5.9 7.4 8.3 5.6 7.1 7.8 5.0 6.4 6.9 4.4 5.7 11 8.8 8.4 8.6 8.8 8.3 8.5 7.5 7.0 7.3 7.3 6.9 7.1 6.6 6.0 6.3 5.9 5.3 5.6 12 9.3 9.2 9.3 9.0 8.8 8.9 7.8 7.6 7.7 7.6 7.3 7.4 6.9 6.3 6.6 5.9 5.3 5.6 13 7.9 9.6 8.7 8.2 10.1 9.1 6.5 7.9 7.2 6.4 7.6 7.0 5.6 6.7 6.1 4.3 5.1 4.7 14 7.0 7.3 7.1 7.4 7.3 7.4 6.7 6.6 6.6 6.3 6.0 6.2 6.1 5.9 6.0 4.1 4.5 4.3 15 13.1 8.2 10.7 13.2 8.5 11.0 13.4 7.7 10.7 14.8 8.2 11.7 13.6 7.9 10.9 12.2 7.3 9.9 合计 8.5 7.6 8.0 8.4 7.3 7.9 7.5 6.3 6.9 7.1 5.9 6.5 6.5 5.3 6.0 5.8 4.7 5.3 -
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