Key points are not available for this paper at this time.
Mark Woodward, Kirsty Laurent, Hugh Tunstall-Pedoe, An Analysis of Risk Factors for Prevalent Coronary Heart Disease by Using the Proportional Odds Model, Journal of the Royal Statistical Society. Series D (The Statistician), Vol. 44, No. 1 (1995), pp. 69-80
Woodward et al. (Sun,) studied this question.