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目的分析小学生肥胖的患病情况,为肥胖干预措施提供理论依据。方法收集2007—2012年黄埔区某街所管辖小学的体检资料,分析年龄与性别对肥胖发病率的影响。计数资料比较采用χ~2检验,P<0.05为差异有统计学意义。结果肥胖患病率总体为9.47%,按年龄来看患病率最高为10岁男生组,达到15.74%。在2007—2012年的各年中肥胖患病率分别为12.10%、14.42%、8.14%、8.78%、9.82%、9.47%,各年间的差异有统计学意义(均P<0.01)。在6~12岁的年龄中,各年岁的肥胖患病率分别为5.51%、8.27%、12.02%、10.06%、11.66%、10.25%、5.04%,各年岁之间的患病率的差异有统计学意义(均P<0.01)。男生肥胖患病率(11.94%)高于女生(6.23%),比较差异有统计学意义(P<0.01)。结论黄埔区某街小学生肥胖的高发人群为8~11岁的男生,应进一步研究其高发的原因与影响因素,抓住关键时期,及时进行有效预防与控制。
Objective To analyze the prevalence of obesity in primary school students and to provide a theoretical basis for obesity interventions. Methods The physical examination data of primary schools administered by a street in Huangpu District from 2007 to 2012 were collected to analyze the influence of age and gender on the incidence of obesity. Count data were compared using χ ~ 2 test, P <0.05 for the difference was statistically significant. Results The overall prevalence of obesity was 9.47%. According to age, the highest prevalence was 10.7 years in boys, reaching 15.74%. The prevalence rates of obesity in each year from 2007 to 2012 were 12.10%, 14.42%, 8.14%, 8.78%, 9.82% and 9.47%, respectively. The differences among the years were statistically significant (all P <0.01). The prevalence rates of obesity among all ages of 6-12 years were 5.51%, 8.27%, 12.02%, 10.06%, 11.66%, 10.25%, 5.04% respectively. The prevalence of obesity among different age groups The differences were statistically significant (all P <0.01). The prevalence of obesity in boys (11.94%) was higher than that in girls (6.23%), the difference was statistically significant (P <0.01). Conclusion The prevalence of obesity among street primary school pupils in Huangpu district is 8 to 11 years old. The causes and influential factors should be further studied. The critical period should be followed to effectively prevent and control obesity.