An adult physical activity scoring scheme: Its evaluation and application

被引:4
作者
Gerrior, SA
Juan, WY
Hiza, HAB
机构
[1] Waterfront Ctr, Dept Agr, Washington, DC 20042 USA
[2] Waterfront Ctr, Cooperat State Res Educ & Extens Serv, Washington, DC 20042 USA
[3] USDA, Ctr Nutr Policy & Promot, Alexandria, VA USA
关键词
inactivity; guidance; assessment; validation;
D O I
10.1249/01.mss.0000174908.68513.80
中图分类号
G8 [体育];
学科分类号
04 ; 0403 ;
摘要
Purpose: The purpose of this paper was to describe the development and evaluation of an adult physical activity (PA) scoring scheme (SS). Methods: SS was based on the 2000 METs compendium and PA guidance. Scoring credit was assigned to moderate (3-6 METs) or vigorous (> 6 METs) activities using a 100-point scale. A point designator for evaluation (80.01-100, good; 51.00-80, needs improvement; and < 51, poor) was based on guidance to perform 30 min of moderate activity >= 5 d(.)wk(-1) or 20 min of vigorous activity >= 3 d.wk(-1). Activities were scored individually and summed for a final score. PA information was from the Behavioral Risk Surveillance Survey, 2000. Weighted data were analyzed using SAS. Sensitivity and specificity methods were used to evaluate the SS. Fifty-six PA met intensity criteria and were examined for frequency and duration. Results: Study included adults >= 18 yr (N = 173,980). 71.4% of the men and 67.2% of the women reported moderate or vigorous activity, but only 13.1% of the men and 12.8%, of the women received a good score. 48.9% of the men and 41% of the women needed improvement and 9.4% of the men and 13.4% of the women had a poor score. The sensitivity of identifying inactivity was 94 and 95% for inactive men and women, respectively; 92% for identifying both men and women needing improvement; and 79% for men and 90% for women with a poor score. The specificity of getting a good score was 57 and 60% for active men and women, respectively. Conclusion: SS appropriately assigns scorin.- credit to moderate and vigorous activities. However, assumptions made for mixed moderate and vigorous activities may misclassify active individuals.
引用
收藏
页码:1401 / 1408
页数:8
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