HUBUNGAN INTENSITAS KEBISINGAN DI LINGKUNGAN KERJA DENGAN PENINGKATAN TEKANAN DARAH PADA PEKERJA PT X SEMARANG

Noise from working environment can generate health impact on workers. exposure which exceeds the treshold limit affect cardiovascular system, one of is increase blood pressure. This research aims to determine association between noise intensity and pressure workers at PT X Semarang, a steel conduit manufacturing company. an observasional analitic study with cross-sectional design. The respondent amounted 32 people taken total sampling technique. measurement showed that lowest in office area (59,7 dBA) while highest factory B (88,12 dBA). average age respondents 40 years old 8 period. before 124,06/81,34 mmHg after 126,97/82,84 71,9% have systolic 68,8% diastolic Bivariate analysis using fisher’s exact test there (p = 0,013; RP 9,500; CI 95% 1,641-54,994) but no 0,075; 5,938; 1,084-32,513). Among confounding variables, was smoking habit 0,022; 7,000; 1,185-41,359) not 0,433; 2,600; 0,518-13,041). conclusion this are advised wear earplugs when working.