Bonnefoy M, Normand S, Pachiaudi C, Lacour J R, Laville M, Kostka T
Service de Médecine Gériatrique, Centre Hospitalo, Universitaire Lyon Sud, Pierre-Bénite, France.
J Am Geriatr Soc. 2001 Jan;49(1):28-35. doi: 10.1046/j.1532-5415.2001.49006.x.
The purpose of this study was to simultaneously validate 10 physical activity (PA) questionnaires in a homogenous population of healthy elderly men against the reference method: doubly labeled water (DLW).
Cross-sectional study.
Community-based sample from Lyon, France.
Nineteen healthy old men (age 73.4 +/- 4.1 years), recruited from various associations for elderly people in Lyon, agreed to participate in the study.
The questionnaire-derived measures (scores) were compared with two validation measures: DLW and maximal oxygen uptake (VO2max). With the DLW method three parameters were calculated: (1) total energy expenditure (TEE), (2) physical activity level (PAL), i.e., the ratio of TEE to resting metabolic rate, (3) energy expenditure of PA.
Relative validity. Correlation between the questionnaires and TEE ranged from 0.11 for the Yale Physical Activity Survey (YPAS) total index to 0.63 for the Stanford usual activity questionnaire. This questionnaire also gave the best correlation coefficients with PAL (0.75), and with VO2max (0.62). Significant results with TEE measured by the DLW method were also obtained for college alumni sports score, Seven Day Recall moderate activity, and Questionnaire d'Activité Physique Saint-Etienne sports activity (r = 0.54, r = 0.52, and r = 0.54, respectively). Absolute validity. No difference was found between PA measured by the Seven Day Recall or by the YPAS and DLW, on a group basis. The limits of agreement were wide for all the questionnaires.
Only a few questionnaires demonstrated a reasonable degree of reliability and could be used to rank healthy older men according to PA. Correlation coefficients were best when the Stanford Usual Activity Questionnaire was compared with all the validation measures. The two questionnaires reporting recent PA, the Seven Day Recall, and YPAS accurately assessed energy expenditure for the group. The individual variability was high for all the questionnaires, suggesting that their use as a proxy measure of individual energy expenditure may be limited.
本研究旨在针对健康老年男性这一同质群体，以双标水（DLW）这一参考方法同时验证10份体力活动（PA）问卷。
横断面研究。
来自法国里昂的社区样本。
从里昂各类老年人协会招募的19名健康老年男性（年龄73.4±4.1岁）同意参与本研究。
将问卷得出的测量值（分数）与两项验证测量值进行比较：DLW和最大摄氧量（VO2max）。采用DLW方法计算了三个参数：（1）总能量消耗（TEE），（2）体力活动水平（PAL），即TEE与静息代谢率的比值，（3）PA的能量消耗。
相对效度。问卷与TEE之间的相关性，耶鲁体力活动调查（YPAS）总指数为0.11，斯坦福日常活动问卷则为0.63。该问卷与PAL（0.75）以及VO2max（0.62）的相关系数也最高。对于大学校友运动得分、七日回顾中度活动以及圣艾蒂安体育活动问卷（分别为r = 0.54、r = 0.52和r = 0.54），采用DLW方法测量TEE时也得到了显著结果。绝对效度。从群体层面来看，七日回顾或YPAS测量的PA与DLW测量的PA之间未发现差异。所有问卷的一致性界限都很宽。
只有少数问卷显示出合理程度的可靠性，可用于根据PA对健康老年男性进行排名。将斯坦福日常活动问卷与所有验证测量值进行比较时，相关系数最高。报告近期PA的两份问卷，即七日回顾和YPAS，准确评估了该群体的能量消耗。所有问卷的个体变异性都很高，这表明将其用作个体能量消耗的替代测量方法可能存在局限性。
