Fertility history of currently employed male semiconductor workers

S. J. Samuels, Stephen A Mccurdy, D. Pocekay, S. K. Hammond, L. Missell, Marc B Schenker

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

Fertility among men working in semiconductor manufacturing during 1984-89 was assessed in a 1990-91 cross-sectional study of eight companies. Men working in wafer fabrication rooms (fabs) (n = 241, 165 births) were compared to men in nonfabrication (nonfab) jobs (n = 447, 300 births). Results showed that 17% of fab men and 14% of nonfab men reported ever trying for ≥1 year to conceive [relative risk (RR) = 1.21, 95% confidence interval (CI) = 0.83- 1.74]. Crude birth rates (births/1,000 person months) were similar [15 fab, 17 nonfab; crude fertility ratio (FR) = 1.09, 95% CI = 0.86-1.36], as were birth rates adjusted by Cox models for confounders (adjusted FR = 0.98, 95% CI = 0.80-1.19, p = 0.79). Fab men who worked in furnace, thin-film, or ion implantation areas were more likely than nonfab men to report previous difficulty conceiving (25%, RR = 1.79, 95% CI = 1.09-2.94), and their past fertility was lower (nine births/1,000 person months; crude FR = 0.66, 95% CI = 0.40-1.02; adjusted FR = 0.73, 95% CI = 0.50-1.09, p = 0.12). Problems included lack of contraception data and misclassification of fab subgroups.

Original languageEnglish (US)
Pages (from-to)873-882
Number of pages10
JournalAmerican Journal of Industrial Medicine
Volume28
Issue number6
StatePublished - 1995

Keywords

  • epidemiology reproduction
  • ethylene glycol
  • fertility
  • semiconductor manufacturing

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

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