This is the second report of this study. The aim of this part was to investigate the possible determinants for somatizing or psychologizing mental disorder among a sample of 166 primary health care Arab patients. The 1st stage of the methodology was conducted by general practitioners, using the Arabic version of the 12-item General Health Questionnaire. The 2nd stage was carried out by a psychiatrist using the Clinical Interview Schedule followed by detailed inquiry schedule. Specific operational criteria were used to identify somatized mental disorder (SMD) and psychologized mental disorder (PMD) among the identified psychiatric cases. The variables tested as possible determinant included childhood physical illness; childhood adverse experiences; adulthood physical illness; family history of physical illness; family history of psychiatric disorder; dissatisfaction with either marital, family life, work or social life; and stressful life events within 12 mo before the onset of the presenting symptoms. Only the last variable proved to be significantly more among SMD thar PMD patients.