Sandercock Gavin R H, Ogunleye Ayodele, Voss Christine
Centre for Sports and Exercise Science, Department of Biological Sciences, University of Essex, Colchester, UK.
Pediatr Int. 2011 Oct;53(5):718-724. doi: 10.1111/j.1442-200X.2011.03354.x.
The aim of the present study was to determine if there were differences in cardiorespiratory fitness (CRF) and body mass index (BMI) in rural versus urban youth.
We measured BMI in 6628 10.0-15.9-year-olds and classified them as normal weight, overweight or obese. CRF was assessed with a 20-m shuttle-run test and subjects were classified as unfit, fit or highly fit. Rural or urban dwelling was calculated from postcodes.
There were no differences in frequency of BMI categories or CRF between rural and urban children (<13 years) or adolescents (>13 years). Rural adolescents were less likely to be fit (OR = 0.80; 95%CI 0.67-0.96) or highly fit (OR = 0.69; 95%CI 0.55-0.86) independent of their age, sex, race or level of deprivation.
Whilst there were no differences evident in children <13 years, rural adolescents were significantly less likely to meet criterion-based cut-off points for CRF. Research to elucidate why such differences exist is warranted.
本研究的目的是确定农村和城市青少年在心肺适能（CRF）和体重指数（BMI）方面是否存在差异。
我们对6628名10.0至15.9岁的青少年测量了BMI，并将他们分类为正常体重、超重或肥胖。通过20米往返跑测试评估CRF，受试者被分类为不适合、适合或非常适合。根据邮政编码计算农村或城市居住情况。
农村和城市儿童（<13岁）或青少年（>13岁）在BMI类别或CRF频率方面没有差异。独立于年龄、性别、种族或贫困程度，农村青少年适合（OR = 0.80；95%CI 0.67 - 0.96）或非常适合（OR = 0.69；95%CI 0.55 - 0.86）的可能性较小。
虽然13岁以下儿童没有明显差异，但农村青少年达到基于标准的CRF临界点的可能性显著较小。有必要进行研究以阐明为何存在这种差异。
