Chemical/straightening and other hair product usage during childhood, adolescence, and adulthood among African-American women: potential implications for health.,Journal of Exposure Science and Environmental Epidemiology

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Chemical/straightening and other hair product usage during childhood, adolescence, and adulthood among African-American women: potential implications for health.
Journal of Exposure Science and Environmental Epidemiology ( IF 4.1 ) Pub Date : 2019-10-22 , DOI: 10.1038/s41370-019-0186-6
Symielle A Gaston ₁ , Tamarra James-Todd _{2,

3} , Quaker Harmon ₁ , Kyla W Taylor ₄ , Donna Baird ₁ , Chandra L Jackson _{1,

5}

Affiliation

Few studies have characterized life course hair product usage beyond ever/never. We investigated hair product use from childhood to adulthood, usage patterns in adulthood, and socioeconomic status (SES) correlates among African-American (AA) women. Using self-reported data from 1555 AA women enrolled in the Study of Environment, Lifestyle, and Fibroids (2010-2018), we estimated the usage frequency of chemical relaxer/straightener (≥twice/year, once/year, and rarely/never) and leave-in/leave-on conditioner (≥once/week, 1-3 times/month, and rarely/never) during childhood, adolescence, and adulthood. Latent class analysis was used to identify patterns of adulthood usage of multiple hair products. SES was compared across latent classes. With a mean age of 33 ± 3.4 years, most women reported ever using chemical relaxers/straighteners (89%), and use ≥twice/year increased from childhood (9%) to adolescence (73%) but decreased in adulthood (29%). Leave-in/leave-on conditioner use followed the same pattern. Each of three identified latent classes reported frequent styling product use and infrequent relaxer/straightener use. Class One was unlikely to use any other products, Class Two moderately used shampoo and conditioner, and Class Three frequently used multiple product types (e.g., moisturizers and conditioners). Participants in the latter two classes reported higher SES. Ever/never characterization may miss important and distinctive patterns of hair product use, which may vary by SES.

中文翻译：

非裔美国女性在儿童期、青春期和成年期使用化学/拉直和其他护发产品：对健康的潜在影响。

很少有研究能够描述生命周期护发产品的使用情况。我们调查了非裔美国 (AA) 女性从童年到成年的护发产品使用情况、成年后的使用模式以及社会经济地位 (SES) 的相关性。利用参加环境、生活方式和肌瘤研究（2010-2018）的 1555 名 AA 女性的自我报告数据，我们估计了化学松弛剂/直发剂的使用频率（≥两次/每年、一次/每年和很少/从不））和免洗/免洗护发素（≥每周一次、每月 1-3 次、很少/从不）在儿童期、青春期和成年期使用。潜在类别分析用于识别成年后使用多种护发产品的模式。对不同潜在类别的 SES 进行了比较。大多数女性的平均年龄为 33 ± 3.4 岁，报告称曾使用过化学松弛剂/直发剂 (89%)，每年使用两次以上的女性从儿童期 (9%) 到青春期 (73%) 有所增加，但在成年期有所减少 (29%) ）。免洗/免洗护发素的使用遵循相同的模式。三个已识别的潜在类别中的每一个都报告了频繁使用定型产品和不频繁使用松弛剂/直发剂。一类不太可能使用任何其他产品，二类适度使用洗发水和护发素，三类经常使用多种产品类型（例如保湿霜和护发素）。后两类的参与者报告了更高的 SES。永远/从不的特征描述可能会错过重要且独特的护发产品使用模式，这些模式可能因 SES 的不同而有所不同。

更新日期：2019-10-22

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