Association of sun-seeking behaviors with indoor tanning behavior in US white females during high school/college in Nurses' Health Study II.
Association of sun-seeking behaviors with indoor tanning behavior in US white females during high school/college in Nurses' Health Study II.
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DOI：
10.1186/s12889-024-17716-6
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发表时间：
2024-01-11
影响因子：
4.5
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中科院分区：
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与成年期相比，生命早期经常暴露在紫外线下对皮肤的危害更大、更长期。与那些寻求较少阳光的青少年相比，具有强烈寻求阳光行为的青少年可能更有可能使用室内日光浴床。我们的目的是研究美国女性在高中/大学期间寻求阳光的行为与室内晒黑行为之间的关联。在这项横断面研究中，我们使用了护士健康研究 II 的数据，这是一个由美国女护士组成的大型前瞻性队列。我们总共纳入了 81,746 名白人女性，她们对高中/大学期间每年室内晒黑的平均频率进行了回答。我们的研究暴露量包括青少年时期每周穿泳衣在户外的次数、在泳池/海滩涂抹防晒霜的时间百分比、高中/大学期间每周白天在阳光直射下在户外度过的时间，以及 15 至 20 岁之间出现水泡的严重晒伤次数。主要结果是高中/大学期间每年使用室内日光浴床的频率。在多变量调整逻辑回归中，我们证明了寻求阳光的行为与室内晒黑的使用之间存在正相关。具体来说，每周穿着泳衣在户外活动 7 次的青少年（调整后比值比 [aOR]、每日 95% 置信区间 [CI] 与每周 <1 次：2.68、1.76–4.09）更有可能使用室内日光浴床 ≥ 12 次/年。晒伤 ≥ 10 次的青少年（aOR，≥10 次晒伤的 95% CI 与从未晒伤的 95% CI：2.18，1.53–3.10）更有可能每年使用室内日光浴床 ≥ 12 次。此外，每周在户外阳光直射下度过 ≥ 5小时的青少年/本科生（aOR，≥ 5小时/周与<1小时/周的95% CI：2.18、1.39–3.44）更有可能每年使用室内日光浴 ≥ 12次。然而，泳池/海滩防晒霜的平均使用量与室内日光浴床的平均使用量之间没有显着关联。多变量调整线性回归模型也显示出类似的结果。那些在户外穿着泳衣/直射阳光的时间较长或晒伤较多的青少年往往更频繁地进行室内晒黑。这些发现提供的证据表明，寻求阳光行为较强的青少年可能也会更多地接触人造紫外线辐射。问题：户外寻求阳光的行为与室内晒黑行为有何关联？ 研究结果：这项大型研究使用了护士健康研究 II (NHSII) 的数据，发现户外活动时间较长或晒伤较多的女性比很少或从不进行户外晒太阳行为的女性更频繁地进行室内晒黑。 意义：研究结果揭示了户外寻求阳光的行为和室内晒黑行为之间的关联，这可以提高人们对寻求紫外线行为的认识，并强调针对有此类行为的青少年和年轻成年女性采取适当的干预措施。
Frequent exposure to ultraviolet light has more detrimental and longer-term effects on the skin in early life than in adulthood. Teenagers with strong sun-seeking behaviors may be more likely to use an indoor tanning bed than those who seek less sun. We aimed to examine associations between sun-seeking behaviors and indoor tanning behavior during high school/college in US females. In this cross-sectional study, we used data from The Nurses’ Health Study II, a large prospective cohort of US female nurses. We included a total of 81,746 white females who provided responses on the average annual frequency of indoor tanning during high school/college. Our study exposures were number of times/week spent outdoors in a swimsuit and percentage of time wearing sunscreen at the pool/beach as a teenager, weekly hours spent outdoors in direct sunlight during the daytime during high school/college, and number of severe sunburns that blistered between ages 15–20 years. The main outcome was annual frequency of indoor tanning bed usage during high school/college. In multivariable-adjusted logistic regression, we demonstrated positive associations between sun-seeking behaviors and indoor tanning use. Specifically, teenagers who spent 7 times/week outdoors in a swimsuit (adjusted odds ratio [aOR], 95% confidence interval [CI] for daily vs. <1/week: 2.68, 1.76–4.09) were more likely to use indoor tanning beds ≥ 12 times/year. Teenagers with ≥ 10 sunburns (aOR, 95% CI for ≥ 10 vs. never: 2.18, 1.53–3.10) were more likely to use indoor tanning beds ≥ 12 times/year. Also, teenagers/undergraduates who spent ≥ 5 h/week outdoors in direct sunlight (aOR, 95% CI for ≥ 5 h/week vs. <1 h/week: 2.18, 1.39–3.44) were more likely to use indoor tanning ≥ 12 times/year. However, there was not a significant association between average usage of sunscreen at the pool/beach and average usage of indoor tanning beds. Multivariable-adjusted linear regression models also showed similar results. Teenagers who spent more time outdoors in a swimsuit/direct sunlight or got more sunburns tended to use indoor tanning more frequently. These findings provide evidence that teenagers with stronger sun-seeking behaviors may have more exposure to artificial ultraviolet radiation as well. Question: How are outdoor sun-seeking behaviors associated with indoor tanning behavior? Findings: This large study using data from the Nurses’ Health Study II (NHSII) found that females who spent more time outdoors or got more sunburns tended to use indoor tanning more frequently than those who rarely or never engaged in outdoor sun-seeking behaviors. Meaning: The findings reveal the associations between outdoor sun-seeking behaviors and indoor tanning behavior, which could increase awareness of UV-seeking behaviors and underscore appropriate interventions directed at adolescent and young adult females with such behaviors.
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