PENGARUH DUKUNGAN KELUARGA PADA IBU DALAM MENINGKATKAN DURASI MENYUSUI SAMPAI DENGAN 6 BULAN DI KOTA LANGSA

Background: Around 35% of child mortality is associated to malnutrition. Globally, it is estimated that only 34.8% of infants are given exclusive breastfeeding in their first six months of life. Particularly in Indonesia, there was a decrease in both duration of exclusive breastfeeding and its follow-up till two years in which the earlier was from 39.5% in 2002-2003 to 32.4% in 2007 while the latter was from 58.7% to 50.3%. In Langsa Municipality, breastfeeding practice reaches only 22.9%. The factors affecting mother�s decision to continue breastfeeding until six months are among others, socio-demographic and psychosocial factors. Social support to breastfeeding mothers are breast-feeding behaviors that support from others within the social network that is believed to be beneficial. Objective: To analyze family support towards duration of breastfeeding and other psychosocial factors in the effort to improve the success of exclusive breastfeeding in Langsa Municipality of Aceh Province. Method: This study used a cohort retrospective study design, taking a location in Langsa Municipality. The variables in this study were duration of exclusive breastfeeding as dependent variable, family support as independent variable and self confidence in ability to breastfeed, knowledge, occupation, and breastfeeding experience as confounding variables. The population in this study was all mothers that had a baby aged 6-12 months and lived in Langsa Municipality and the sample was those who met inclusion and exclusion criteria. Sample counting used PASS 2008 and the sample size was 230 persons taken using multistage sampling, modified with purposive and simple random sampling. Data were collected using a questioner which had been tested its validity and reliability. In addition, quantitative data were analyzed with survival analysis using Kaplan Meier, log rank and Cox proportional hazard model. Result: The bivariate analysis showed a significant effect between family support, self confidence in ability to breastfeed, knowledge, and mother�s occupation and duration of breastfeeding. Cox proportional hazard model showed that mothers who received low family support from a risk family were likely to discontinue breastfeeding 6 times greater than those who received high family support (HR=6,3