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Varicose veins and haemorrhoids: findings in the Oxford-FPA study
  1. Martin Vessey, FRCP, FRS1,
  2. David Yeates, PhD2
  1. Emeritus Professor of Public Health, University Department of Public Health, Unit of Health Care Epidemiology, Oxford University, Oxford, UK; martin.vessey@dph.ox.ac.uk
  2. Computer Scientist, Unit of Health Care Epidemiology, Oxford University, Oxford, UK; david.yeates@priestweston.com

https://doi.org/10.1136/jfprhc-2011-100212

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    At recruitment to the Oxford-Family Planning Association (Oxford-FPA) study, oral contraceptive (OC) users were less likely to give a history of hospital treatment for varicose veins (VVs) than users of other contraceptive methods. Adjusted for age and parity, 1.6% of OC users gave such a history compared with 2.3% of diaphragm users and 3.9% of intrauterine device (IUD) users. We have examined the occurrence of VVs during follow-up in relation to various factors, including OC use. For comparison, we also analysed the data on haemorrhoids, a condition responsible for hospital referral with similar frequency at recruitment (about 0.4%) among the three contraceptive groups.

    The Oxford-FPA study includes 17 032 women who, when recruited between 1968 and 1974, …

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    • Competing interests None.