AbstractThe nutritional problem of adolescent girls is currently getting attention to is anemia (25-40%mild to the severe category of anemia). The study aimed to determine the effect of soy milk onthe increase in hemoglobin levels of adolescent girls in SMAN 1 Perhentian Raja. This type ofquantitative research is quasi-experimental used a non-equivalent control group design pre-posttest. The research was conducted from February to July 2020 at SMA N 1 Perhentian Raja. Thesample consisted of 19 students SMA by a stratified random sampling technique. The resultsshowed that subjects had Hb levels of 11-11.9 g/dL, namely 15 people (78.9%), and Hb levelsof 8-10.9 g/dL, namely 4 people (21.1%) before consuming soy milk, while the Hb levels ofsubjects after drinking soy milk had Hb levels of 12.0 g/dL, namely 17 people (89.5%), and Hblevels of 11-11.9 g/dL, namely two people (10.5%).The results of the T-dependent statistical testobtained p-value = 0.000 (p <0.05). It concluded that giving soy milk had a significant effect onthe Hb levels of adolescent girls at SMAN 1 Perhentian Raja. It's hoped that adolescent girls willcontinue to consume soy milk to maintain normal Hb levels for productivity.Keyword: Hemoglobin Levels, Soymilk, Adolescent Girls
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