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首页> 外文期刊>Annals of epidemiology >Agreement between contemporaneously recorded and subsequently recalled time spent outdoors: implications for environmental exposure studies.
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Agreement between contemporaneously recorded and subsequently recalled time spent outdoors: implications for environmental exposure studies.

机译：同时记录和随后召回的户外活动时间之间的协议：对环境暴露研究的影响。

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PURPOSE: The aim of the study is to evaluate the agreement between contemporaneously recorded and subsequently recalled time spent outdoors during 1 week among members of an occupational cohort. METHODS: One hundred twenty-five radiologic technologists from northern and southern geographic areas in the United States recorded time spent outdoors for 7 consecutive days in a daily diary. Six months later, study participants completed a mailed self-administered questionnaire of the number of outdoor hours during the same 7-day period. We tested the agreement between questionnaire responses and diary entries. Logistic regression models were used to identify variables significantly affecting agreement. RESULTS: Time spent outdoors comprised one fifth of the total time recorded in the diaries. Agreement (weighted kappa [kappa(w)]) between reported outdoor time during weekdays (kappa(w) = 0.49; 95% confidence interval [CI], 0.39-0.59) was significantly (p < 0.05) higher than for weekends (kappa(w) = 0.23; 95% CI, 0.12-0.34). Similarly, agreement was lower for weekends compared with weekdays in multivariate analyses, reaching statistical significance (p = 0.05) in only the southern regions. CONCLUSIONS: Although our investigation was carried out among volunteers from the US radiologic technologist cohort, we believe retrospective questionnaires may be more accurate in reporting time spent outdoors for weekdays compared with weekends in any group of indoor workers. These differences have implications for the wording in future questionnaires about time spent outdoors and level and sources of uncertainty characterizing estimated time spent outdoors on weekdays versus weekend days.
机译：目的：本研究的目的是评估职业队列成员在1周内同时记录和随后召回的户外时间之间的一致性。方法：来自美国北部和南部地理区域的一百二十五名放射技术专家在每日日记中记录了连续7天在户外度过的时间。六个月后，研究参与者填写了一份邮寄的自我管理调查表，内容涉及同一7天的户外活动时间。我们测试了问卷答复和日记条目之间的一致性。使用逻辑回归模型来识别显着影响一致性的变量。结果：在户外度过的时间占日记中记录的总时间的五分之一。在工作日内报告的户外时间之间的一致性（加权kappa [kappa（w）]）（kappa（w）= 0.49; 95％置信区间[CI]，0.39-0.59）比周末（kappa）高（p <0.05） （w）＝ 0.23; 95％CI，0.12-0.34）。同样，在多元分析中，周末的一致性低于工作日，只有南部地区达到统计显着性（p = 0.05）。结论：尽管我们的调查是在美国放射技术专家队列的志愿者中进行的，但我们认为，回顾性调查表在报告平日在户外的时间上要比周末在任何一组室内工作人员中更为准确。这些差异对将来的调查表中的措辞有影响，这些措辞涉及在户外度过的时间以及工作日和周末在户外度过的估计时间的水平和不确定性来源。

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