Purpose: To provide basic data for the development of a nursing intervention program in order to improve intention to receive human papillomavirus (HPV) vaccination intention of mothers of elementary school girls by confirming the mediating effect of self-efficacy in the relationship between knowledge of HPV vaccine, attitude towards vaccination, subjective norm, and intention to receive vaccination.Methods: The subjects of this study are 171 mothers of elementary school students in grades 5–6 in Yangsan city. The health teacher delivered the questionnaire to the mothers via the female elementary school students in the classroom, the mothers filled out the questionnaire by self-filling, and the questionnaires were collected through the health teacher.Results: The fully mediating effect of self-efficacy in the relationship between the knowledge of the HPV vaccine and the intention of the mothers of female elementary school students to receive vaccination. The partial mediating effect of self-efficacy was confirmed in the relationship between attitude towards HPV vaccination and the intention to receive vaccination. The partial mediating effect of self-efficacy was confirmed in the relationship between the subjective norm for HPV vaccination and the intention to receive vaccination.Conclusion: It is necessary to develop an HPV vaccine vaccination promotion program that can enhance the level of knowledge, attitudes towards vaccination, and subjective norm of HPV vaccine for female elementary school mothers and to strengthen their sense of self-efficacy.

Purpose:The purpose of this study is to demonstrate the mediating effect of happiness in the relationship between internet addiction, depression and suicidal ideation among adolescents from multicultural families. Methods: 1,065 adolescents from multicultural families who participated in the 16th (2020) Adolescent Health Behavior Survey were selected as the final subjects for the study, and were analyzed with descriptive statistics, independent t-test, ANOVA, Pearson's correlation coefficient, and stepwise multiple regression. Results: There was a fully mediating effect of happiness in the relationship between internet addiction and suicidal ideation of the adolescents from multicultural families (F=6.65, p<.001). There was a partial mediating effect of happiness in the relationship between depression and suicidal ideation of the adolescents from multicultural families (F=10.01, p<.001). Conclusion: To mitigate the suicidal ideation of adolescents from multicultural families, it is necessary to develop and apply a positive psychological treatment program that enhances happiness for adolescents from multicultural families who are experiencing internet addiction and depression.