THE RELATION BETWEEN HAEMOGLOBIN RATE (Hb) TO LEARNING ACHIEVEMENT OF FEMALE STUDENTS IN BOROBUDUR JUNIOR HIGH SCHOOL MAGELANG REGENCY
Background: The lack of zinc could emerge the disturbance or barriers in growth, either in body cells or brain cells. The lack of Hb rate in blood could result the symptoms of listless, weakness, tiredness, and tend to tired. It could decrease learning achievement, sport, and working productivity. The survey of basic data in 10 regencies in Middle Java in 1998 showed the higher prevalence rate of anemia from national rate, i.e. in female students (Junior High School and Senior High School) of 57,4% (Directorate of Society Nutrient, 2003). According to Hastuti and colleagues (1998), in Magelang Regency the anaemia prevalence is known of 48,7%. It is caused by the existence of disturbance in metabolism of oxidative brain, by the low level of hem contains and dependent ion enzyme which results the behavioural changes.
Purpose of research: To know the relation between Hb rate to learning achievement of female students in Borobudur Junior High School in Magelang Regency.
Method of research: This research has observational analytical characteristic by cross sectional approach used primary and secondary data. The subjects of this research were all of students in Borobudur Junior High School and as the samples were 9th grade students by the amount of 51 students. For selecting respondent samples in this research, it was used total sampling technique. Statistical analytic used was Chi-square by using level of confidence of 95%, thus the level of significance of 5%, if level of significance < 0,5, thus the hypothesis was accepted.
Result of research: Average blood Hb rate of respondent 11,90 ± 0,81 g/ml by highest blood Hb rate of 13,0 g/ml and lowest 9,0 g/ml respectively. The students in 9th grade in Borobudur Junior High School in Magelang Regency in 2007, mostly (68,6%) have average category learning achievement. Total amount of 19,6% of students have anaemia.
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