Normative Values for Cardiorespiratory Fitness Testing Among US Children Aged 6-11 years
Normative Values for Cardiorespiratory Fitness Testing Among US Children Aged 6-11 years
复制标题
DOI：
10.1123/pes.2016-0167
复制
发表时间：
2017-05-01
影响因子：
1.8
通讯作者：
Rowland, Thomas
中科院分区：
文献类型：
--
作者：
Gahche, Jaime J.;Kit, Brian K.;Rowland, Thomas
背景：自20世纪80年代中期以来，美国儿童心肺适能（CRF）的全国代表性规范值尚未被描述。目的：为美国6-11岁儿童的CRF提供性别和年龄特异性的规范值。方法：对参与2012年全国健康与营养检查调查的624名6-11岁儿童的CRF测试数据进行横断面调查分析。参与者被分配到三种特定年龄的方案之一，并被要求锻炼到意志疲劳。协议的难度随着年龄组的增加而增加。CRF以最大耐力时间（min:sec）评估。数据分析于2016年进行。结果：6-7岁、8-9岁和10-11岁儿童的平均耐力时间分别为12:10 min:sec （95% CI: 11:49-12:31）、11:16 min:sec （95% CI: 11:00-11:31）和10:01 min:sec （95% CI: 9:37-10:25）。耐力时间最低的20%的年轻人更有可能肥胖，健康状况不佳，每天看屏幕的时间超过两小时。结论：这些数据可以作为监测美国6-11岁儿童CRF随时间变化趋势的基线估计。
Background: Nationally representative normative values for cardiorespiratory fitness (CRF) have not been described for US children since the mid 1980s. Objective: To provide sex- and age-specific normative values for CRF of US children aged 6-11 years. Methods: Data from 624 children aged 6-11 years who participated in the CRF testing as part of the 2012 National Health and Nutrition Examination Survey National Youth Fitness Survey, a cross-sectional survey, were analyzed. Participants were assigned to one of three age-specific protocols and asked to exercise to volitional fatigue. The difficulty of the protocols increased with successive age groups. CRF was assessed as maximal endurance time (min:sec). Data analysis was conducted in 2016. Results: For 6-7, 8-9, 10-11 year olds, corresponding with the age-specific protocols, mean endurance time was 12:10 min:sec (95% CI: 11:49-12:31),11:16 min:sec (95% CI: 11:00-11:31), and 10:01 min:sec (95% CI: 9:37-10:25), respectively. Youth in the lowest 20th percentile for endurance time were more likely to be obese, to report less favorable health, and to report greater than two hours of screen time per day. Conclusions: These data may serve as baseline estimates to monitor trends over time in CRF among US children aged 6-11 years.