A total of 428 couples participated in this study at baseline; 211 wife-husband dyads from 26 KIM-CHI organizations and 217 wife-husband dyads from 24 attention control organizations. KA women and their husbands who were interested in participating in our study signed two copies of an informed consent form. Next, each completed a self-administered baseline questionnaire which took 30-45 minutes. Then they received the KIM-CHI or control education.