Assessment of lifetime cumulative sun exposure using a self-administered questionnaire: reliability of two approaches.
Assessment of lifetime cumulative sun exposure using a self-administered questionnaire: reliability of two approaches.
复制标题
DOI：
10.1158/1055-9965.epi-08-0894
复制
发表时间：
2009-02
期刊：
影响因子：
--
通讯作者：
Linet MS
中科院分区：
文献类型：
--
作者：
Yu CL;Li Y;Freedman DM;Fears TR;Kwok R;Chodick G;Alexander B;Kimlin MG;Kricker A;Armstrong BK;Linet MS
很少有研究评估一生阳光照射的可靠性，通过询问人们在典型的工作日或周末在给定时间内在户外度过的时间（基于时间的方法）。一些调查表明，由于妇女的家庭和职业角色，她们在估计成年后的户外时间方面特别困难。我们假设，如果根据特定的活动（基于活动的方法）询问人们在户外度过的时间，人们可能会获得额外的记忆线索，并更可靠地估计一生中在户外度过的时间。使用自我管理，邮寄问卷，测试-重测的反应，以时间为基础的和以活动为基础的方法进行了评估，在124名志愿者美国放射技术参与者：64名女性和60名男性48至80岁。组内相关系数（ICCs）被用来评估重测信度的平均数在夏季户外度过的每种方法估计。我们测试了两种ICC之间的差异，对应于每种方法，使用t检验与Jackknife方法估计的差异方差。在儿童和青少年时期，这两种方法在夏季户外活动的平均小时数方面给出了相似的ICC。相比之下，与基于时间的方法相比，基于活动的方法在成年期（0.69 vs. 0.43，P=0.003）和终生（0.69 vs. 0.52，P=0.05）显示出显著更高的ICC;基于活动的问卷的较高ICC主要来自女性的结果。需要进行研究，以进一步改进基于活动的问卷调查方法，用于长期阳光照射评估。
Few studies have evaluated the reliability of lifetime sun exposure estimated from inquiring about the number of hours people spent outdoors in a given period on a typical weekday or weekend day (the time-based approach). Some investigations have suggested that women have a particularly difficult task in estimating time outdoors in adulthood due to their family and occupational roles. We hypothesized that people might gain additional memory cues and estimate lifetime hours spent outdoors more reliably if asked about time spent outdoors according to specific activities (an activity-based approach). Using self-administered, mailed questionnaires, test-retest responses to time-based and to activity-based approaches were evaluated in 124 volunteer U.S. radiologic technologist participants: 64 females and 60 males 48 to 80 years of age. Intraclass correlation coefficients (ICCs) were used to evaluate the test-retest reliability of average numbers of hours spent outdoors in summer estimated for each approach. We tested the differences between the two ICCs, corresponding to each approach, using a t-test with the variance of the difference estimated by the Jackknife method. During childhood and adolescence, the two approaches gave similar ICCs for average numbers of hours spent outdoors in summer. By contrast, compared with the time-based approach, the activity-based approach showed significantly higher ICCs during adult ages (0.69 vs. 0.43, P=0.003) and over the lifetime (0.69 vs. 0.52, P=0.05); the higher ICCs for the activity-based questionnaire were primarily derived from the results for females. Research is needed to further improve the activity-based questionnaire approach for long-term sun exposure assessment.