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Varicose veins and haemorrhoids: findings in the Oxford-FPA study
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  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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