<![CDATA[Weight-for-age (WFA) status in infants aged 0-11 months is largely determined by exclusive breastfeeding and birth weight. Infants who are underweight based on the weight-for-age (WFA) indicator or experience growth faltering are at risk of impaired brain development, decreased intelligence quotient (IQ), stunting, and weakened immune function. This study aimed to analyze the relationship between birth weight and exclusive breastfeeding with WFA status among infants aged 0-11 months at UPTD Mauk Public Health Center. This study used a quantitative method with a correlational analytical design and a cross-sectional approach. The sample consisted of 232 infants selected using purposive sampling. The results showed that 157 infants (67.7%) had normal birth weight, 191 infants (82.3%) received exclusive breastfeeding, and 186 infants (80.2%) experienced weight gain. There was a significant relationship between birth weight and WFA status (p-value = 0.001), as well as between exclusive breastfeeding and WFA status (p-value = 0.001). Logistic regression analysis showed that exclusive breastfeeding was the most dominant variable associated with WFA status, with an odds ratio (OR) of 21.000, while birth weight had an OR of 4.240. This indicates that infants who received exclusive breastfeeding had a 21 fold greater likelihood of experiencing weight gain.]]>
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