Noise exposure at school and blood pressure in adolescents
Journal Title: Paediatrica Indonesiana - Year 2016, Vol 56, Issue 6
Abstract
Background The increasing prevalence of primary hypertension has motivated researchers to identify influencing factors, one of which is noise. There have been few studies on a relationships between noise exposure and blood pressure in children, and none have dealt exclusively with adolescents.Objective To assess for an association between noise exposure at school and blood pressure in adolescents. Methods To identify noisy and quiet schools, the mean noise levels of 192 senior high schools in Medan were measured using sound level meters. One noisy school and one quiet school were randomly selected for inclusion (mean noise levels of 68.2 and 53.8 dB, respectively). Students from both schools underwent blood pressure measurements by mercury sphygmomanometer. Their Body weights and heights were obtained for body mass index calculations. Subjects filled questionnaires and their parents were interviewed regarding history of illnesses.Results Of the 271 adolescents recruited, 136 (50.2%) were from the noisy school. Adolescents from the noisy school had higher mean systolic and diastolic blood pressures [121.6 (SD 13.87) mmHg and 71.1 (SD 8.15) mmHg, respectively], than those from the quiet school [111.8 (SD 12.61) mmHg and 63.8 (SD 8.05) mmHg, respectively]. After adjusting for other factors, noise had a significant, moderate, positive association with systolic and diastolic blood pressures [β = 0.452; B = 6.21 (95% CI 3.86-8.55) mmHg; and β = 0.473; B = 4.18 (95% CI 2.41 to 5.94) mmHg, respectively].Conclusion Adolescents from a noisy school have a greater risk of higher systolic and diastolic blood pressures than those from a quiet school.
Authors and Affiliations
Fadhilah Ihsani, Rafita Ramayati, Muhammad Ali, Rusdi Djas, Oke Ramayani, Rosmayanti Siregar, Beatrix Siregar
Menstrual cycle patterns of Indonesian adolescents
Background Adolescents often experience menstrual irregularity in the first few years after menarche. Abnormal menstrual cycles may increase the risk of polycystic ovary syndrome. Objective To determine the menstrual cy...
Vitamin E effect on osmotic fragility in β thalassemia major
Background Blood transfusion remains the main therapy for anemia in β thalassemia major patients. However, frequent transfusions can cause oxidative stress in response to iron overload. Vitamin E is considered to be the...
Outcomes of paediatric malarial hepatopathy: a study from Eastern India
Background Severe malaria causes multi-organ involvement ,including hepatic dysfunction.Jaundice in severe malaria is foundmore commonly in adults than in children. It is important toassess the factors associated with ma...
Immunization competence retention in medical students: a comparation between conventional lectures and lectures with simulations method
Background Immunization is recognized as one of the strategies to reduce vaccine preventable diseases. Competency related to immunization are consequently important for medical students and the medical school needs to as...
Risk factors for miliary tuberculosis in children
Background Miliary tuberculosis (TB) is a fatal form of tuberculosis with severe clinical symptoms and complications. The mortality rate from this disease remains high, therefore, it is important to identify the risk fac...