Journal article

Consanguinity, caste and deaf-mutism in Punjab, 1921

AH Bittles, SG Sullivan, LA Zhivotovsky

Journal of Biosocial Science | CAMBRIDGE UNIV PRESS | Published : 2004


The effects of religion, population sub-division and geography on the prevalence of deaf-mutism were investigated using information collected in the 1921 Census of Punjab. The total sample size was 9.36 million, and comprised data on thirteen Hindu castes, seventeen Muslim biraderis and two Sikh castes. A two-way analysis of variance comparing males in Hindu castes in which consanguineous marriage was prohibited, with males in Muslim biraderis which favoured first cousin marriage, indicated major differences with respect to the patterns of deaf-mutism within each religion. In the Muslim population 9.1% of the relative variation in the prevalence of deaf-mutism was inter-biraderi, 36.8% betwe..

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University of Melbourne Researchers