A prospective study of hair dyes and uterine leiomyomata incidence in the study of environment, lifestyle, and fibroids.

ABSTRACT:

Objective

To investigate associations between hair dye use and incident uterine leiomyomata (fibroids) among Black participants from the Study of Environment, Lifestyle, and Fibroids.

Design

Prospective cohort study.

Subjects

Reproductive-aged (26-39 years) individuals with an intact uterus residing in the Detroit, Michigan area (n = 868).

Exposure

Self-reported hair dye use (any use vs. no use) in the previous 12 months queried on structured questionnaires.

Main outcome measures

Fibroid incidence assessed by transvaginal ultrasounds. We fit Cox proportional hazard models to estimate hazard ratios (HRs) with 95% confidence intervals (CIs), adjusting for age, time in study, educational attainment, annual household income, occupational status, body mass in

SUBMITTER: Schildroth S 

PROVIDER: S-EPMC12443219 | biostudies-literature | 2025 Aug

REPOSITORIES: biostudies-literature