To estimate the correlation between scores on obsession-compulsion and both age and sex, two studies were carried out with Kuwaiti (n1=87, n2=460), and American (n1=73, n2=273) undergraduates. The Arabic Obsessive-Compulsive Scale was used in both studies. Significant correlations were found for the Kuwaiti sample; however, these correlations were of low magnitude and have no practical value.