The study included variables to test knowledge of breast-screening practices in order to obtain mare objective data on knowledge. BSE knowledge was similar across all four ethnic groups with the majority knowing of BSE but lacking mprehensive knowledge such as frequency and timing. BSE should be performed 2-4 days post-menstruation to ensure breast tenderness is minimal however this was only know to 35% of Filipino and Indonesian women, 21% of Thai women and only 11% of Vietnamese women. A high proportion of participants were likely to be post-menopausal, however to accurately assess knowledge two questions were asked in regard to timing of BSE firstly when should BSE be performed and then when the participant performed BSE. This enabled the study to determine if all women including post-menopausal women knew the standard timing of BSE. The majority of women in all four ethnicities had heard of mammography, however less than half of Indonesian and Thai women knew it should be performed biannually and this finding was not significant.