Ministry of Health Ndeke House Haile Selassie Avenue P.O.Box 30205 Lusaka Zambia;
Mathematical Sciences Department Chancellor College University of Malawi P.O.Box 280 Zomba MalawiStatistics and Population Studies Department University of Namibia Private Bag 13301 Windhoek Namibia;
Urinary schistosomiasis; Ordinal logistic regression; Intensity of infection; Zambia; Bayesian analysis;