Study on the status of Hemoglobin levels among children 0～5 months old in rural Lhasa

• 1、Department of Epidemiology and Health Statistics,School of Public Health,Xi'an Jiaotong University College of Medicine,Xi'an 710061

Abstract：Objective: To study the hemoglobin status of children under the age of 0～5 months and the prevalence of anemia at High altitude. Methods: Cross-sectional study and random cluster sampling were used. Blood was collected on tip of finger and the level of hemoglobin was measured using B-Hemoglobin photometer.We adjusted the hemoglobin based on altitude using method of CDC and then estimated the prevalence of anemia. Anemia to determine the standards developed by the Conference in accordance with China's blood disease diagnostic criteria for anemia in infants. Results: In 2010, 99 infants of age 0～5 months living at 3608～3776 meters above sea level in rural Lhasa were examined. The findings indicated that the average hemoglobin was about 120.7±18.9g/L. Analysis of covriance indicated, after controlling the factor of altitude, the mean of Hb level at newborn (141.1±30.5g/L) the highest than age at 1～3 months (117.2±16.7g/L) and 4～5 months (120.2±15.6g/L). According to method of CDC and then adjusted the Hb, The anemia prevalence was 65.7% (66.7% of boys, 64.1% of girls). There was no significant difference for Hb between boys and girls. Comparison of anemia prevalence of infant among three ages range showed anemia prevalence at newborn was highest, and 1～3 months was lowest. There was no significant difference for anemia prevalence between different age groups. Conclusion: The prevalence of anemia in infant might be higher, but current hemoglobin correction methods might not be suitable for correcting hemoglobin of Tibetan infant. It is important to develop anemia standards in infants at high altitude in rural Lhasa.

Keywords： Hemoglobin infants of age 0～5 months rural Lhasa