Fertility among female hairdressers

SND-ID: EXT 0069

This study is part of the collection Scania Metadatabase for Epidemiology (SME)

Description Data and documentation

Creator/Principal investigator(s)

Anna Axmon - Lund University, Laboratory Medicine

Description

The study investigated whether working as a hairdresser has a negative impact on fertility, measured as time to pregnancy and miscarriage risk. Methods: Self-administered questionnaires were sent to 5289 Swedish hairdressers (response rate 50%) and to 5299 age-matched women from the general Swedish population (response rate 54%). Information was collected on time to pregnancy or trying time for women who had tried, but failed, to conceive at the time of the study. The outcome of the pregnancy was determined and categorized as either miscarriage or stillbirth or live birth. The hairdressers were compared with the referents with respect to these two outcomes. Within the hairdresser cohort, the effects of hair treatments, as well as physical workload and stress were investigated. Results: The hairdressers were less successful than the reference cohort in conceiving (fecundability ratio 0.91, 95% confidence interval 0.83-0.99). The effect was reduced after first-month conceptions were excluded, the indication being that the effect may be the result of birth control bias. Within the hairdresser coh

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Research principal, contributors, and funding

Research principal

Region Skåne

Protection and ethical review

Data contains personal data

Yes

Sensitive personal data

Yes

Method and time period

Unit of analysis

Time Method

Time period(s) investigated

1996–2000

Geographic coverage
Publications

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Axmon A, Rylander L, Albin M, Hagmar L. Factors affecting time to pregnancy. Hum Reprod. 2006 May;21(5):1279-84. Epub 2006 Jan 12.

Axmon A, Rylander L. No interaction between smoking and working as a hairdresser with respect to reproductive health. J Occup Environ Med. 2009 Apr;51(4):399; author reply 399-400. doi: 10.1097/JOM.0b013e3181a03aa5.

Axmon A, Rylander L, Lillienberg L, Albin M, Hagmar L. Fertility among female hairdressers. Scand J Work Environ Health. 2006 Feb;32(1):51-60.

Axmon A, Hagmar L. Time to pregnancy and pregnancy outcome. Fertil Steril. 2005 Oct;84(4):966-74.

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Access to data via

Dataset 1
Fertility among female hairdressers - hairdresser cohort

Data format / data structure

Numeric

Creator/Principal investigator(s)

Anna Axmon - Lund University, Laboratory Medicine

Time period(s) investigated

2000–2000

Data collection

  • Mode of collection: Self-administered questionnaire: paper
  • Time period(s) for data collection: 2000–2000
  • Source of the data: Population group

Number of individuals/objects

2626

Response rate/participation rate

50

Dataset 2
Fertility among female hairdressers - the reference cohort

Data format / data structure

Numeric

Creator/Principal investigator(s)

Anna Axmon - Lund University, Laboratory Medicine

Time period(s) investigated

2000–2000

Data collection

  • Mode of collection: Self-administered questionnaire: paper
  • Time period(s) for data collection: 2000–2000
  • Source of the data: Population group

Number of individuals/objects

2860

Response rate/participation rate

54

Contact for questions about the data

Is part of collection at SND

Scania Metadatabase for Epidemiology (SME)

Published: 2013-09-09
Last updated: 2021-08-12