Family-based Health Education Program and Zinc Supplementation for Stunted Mother

Details of Family-Based Health Education Program + Zinc : 1. Home-visit and health promotion by trained midwives 2. Supervision by health volunteer 3. Zinc Supplementation General target population : 1. Stunted pregnant mother on the third trimester of pregnancy 2. Conducted in Primary Health Care Center Design of Study : two arms quasi-experimental study with one group receiving the intervention and comparison receiving standard Antenatal Care. The baseline measurement is conducted at the beginning of the third trimester, followed by the day of delivery and 6 months after delivery (for assessing the outcome of the infant). Participants are matched by certain variables Variable : 1. Sociodemographic information 2. Food recall using Food Frequency Questionnaire List of outcomes 1. Zinc level in breastmilk and blood of mother and infant 2. Insulin-like growth factor 1 (IGF-1) level of mother and infant 3. Hemoglobin level of mother and infant 4. Infant and placental anthropometry 5. Tumor growth Factor Beta 1 (TGF beta 1) in infant 6. Brain-derived neurotrophic factor (BDNF) in infant Sample size using the difference between two means of neonatal birth weight who received zinc and did not receive zinc according to a study in Iran 1. Type 1 error 5% 2. Effect size: 0.4486 3. Power of study: 80% 4. With the equal allocation ratio, the total sample needed is 126 Proposed statistical analysis 1. Independent T-test 2. Linear Mixed Model