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Adverse birth outcomes and maternal complications in licensed cosmetologists and manicurists in California

  • Thu Quach
  • Julie Von Behren
  • Debbie Goldberg
  • Michael Layefsky
  • Peggy Reynolds
Original Article

Abstract

Purpose

Due to concerns around occupational chemical exposures, this study sought to examine whether women working as cosmetologists (providing hair and nail care services) and manicurists (providing only nail care services) have an elevated risk for adverse pregnancy outcomes.

Methods

In this population-based retrospective study of cosmetologists and manicurists in California, we linked cosmetology licensee and birth registry files to identify births during 1996–2009. We compared outcomes among cosmetologists and manicurists to those of the general female population and to women from other industries. We also conducted restricted analyses for Vietnamese women, who comprise a significant proportion of the workforce.

Results

There was little evidence of increased risk for adverse birth outcomes, but we observed an association for small for gestational age (SGA) among Vietnamese manicurists (OR 1.39; 95 % CI 1.08–1.78) and cosmetologists (OR 1.40; 95 % CI 1.08–1.83) when compared to other working women. Some maternal complications were observed, notably an increased risk for gestational diabetes (OR 1.28; 95 % CI 1.10–1.50 for manicurists; OR 1.19; 95 % CI 1.07–1.33 for cosmetologists) compared with the general population, which further elevated when restricted to Vietnamese workers (OR 1.59; 95 % CI 1.20–2.11 for manicurists; OR 1.49; 95 % CI 1.04–2.11 for cosmetologists). Additionally, we observed an association for placentia previa among manicurists (OR 1.46; 95 % CI 1.08–1.97) and cosmetologists (OR 1.22; 95 % CI 1.02–1.46) compared with the general population.

Conclusions

Women in the nail and hair care industry may be potentially at increased risk for some maternal complications, although further research is warranted. Vietnamese workers may also have increased risk for SGA.

Keywords

Occupation Birth outcomes Cosmetologists Manicurists Women’s health 

Notes

Acknowledgments

This research was funded by a grant from the National Institute of Environmental Health Sciences (1R03ES020551-01).

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Thu Quach
    • 1
    • 2
  • Julie Von Behren
    • 1
  • Debbie Goldberg
    • 1
  • Michael Layefsky
    • 1
  • Peggy Reynolds
    • 1
    • 2
  1. 1.Cancer Prevention Institute of CaliforniaBerkeleyUSA
  2. 2.Department of Health Research and PolicyStanford University School of MedicineStanfordUSA

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