Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD, USA.
Division of Cancer Prevention, National Cancer Institute, Bethesda, MD, USA.
Ann Behav Med. 2020 Jan 24;54(2):125-131. doi: 10.1093/abm/kaz028.
The positive association between physical activity and sunburn is a health behavior trade-off between the health benefits of physical activity and increased risk of skin cancer.
We assessed walking, which is a common source of physical activity, and the prevalence of sunburn.
This research used the 2015 National Health Interview Survey of adults (N = 26,632), age ≥ 18 years. We defined four exclusive categories of walking: (a) those who reported not walking; (b) only transportation (to get some place, such as work, a store, or public transit stop); (c) only leisure (such as for fun, relaxation, or exercise); and (d) both categories. We estimated the adjusted prevalence of sunburn by walking category and separately for walking duration; we stratified by gender and sun sensitivity.
The adjusted sunburn prevalence was not different between walking categories for women, but it was for men. Specifically, prevalence was lower for men who reported not walking, 34.1% (95% confidence interval [CI]: 32.2%-36.1%) compared to 38.8% (95% CI: 36.5%-41.2%) who walked for both purposes (p = .003). Walking duration was not associated with sunburn prevalence.
We could not determine whether sunburn occurred during walking trips because the questions were not asked as such. However, the results suggest that walking, unlike leisure-time physical activity (such as exercise, sports, or physically active hobbies), may not generally be associated with sunburn, except for the higher sunburn prevalence for men who walked for both leisure and transportation purposes.
体力活动与晒伤之间存在正相关关系，这是体力活动带来的健康益处与皮肤癌风险增加之间的健康行为权衡。
我们评估了常见的体力活动来源——散步，以及晒伤的流行情况。
本研究使用了 2015 年针对成年人的全国健康访谈调查（N=26632，年龄≥18 岁）。我们将散步定义为四个互斥类别：（a）报告不散步的人群；（b）仅用于交通（去某个地方，如工作、商店或公共交通站）；（c）仅用于休闲（如娱乐、放松或锻炼）；以及（d）同时包含以上两种目的。我们根据散步类别和散步时间分别估计了晒伤的调整后患病率；并按性别和皮肤敏感度进行分层。
女性在不同散步类别之间的调整后晒伤患病率没有差异，但男性则有差异。具体而言，报告不散步的男性患病率较低，为 34.1%（95%置信区间[CI]：32.2%-36.1%），而同时为休闲和交通目的散步的男性患病率较高，为 38.8%（95% CI：36.5%-41.2%）（p=0.003）。散步时间与晒伤患病率无关。
我们无法确定晒伤是否发生在散步过程中，因为没有这样询问问题。然而，结果表明，与休闲时间的体力活动（如锻炼、运动或积极的爱好活动）不同，散步一般不会与晒伤相关，除了那些同时为休闲和交通目的散步的男性晒伤患病率较高。
