Soykat Sabuj - Academia.edu (original) (raw)
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Bangabandhu Sheikh Mujibur Rahman Science & Technology University, Bangladesh
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Traffic noise has reached in an unacceptable level with the growing number of vehicles in urban a... more Traffic noise has reached in an unacceptable level with the growing number of vehicles in urban areas. Exposure to traffic noise causes significant health and behavioral risks for the people who are vending or working along the roadside. This research explores the traffic noise levels at six selected intersections of Khulna City and identifies its effects on human health. So, noise level (in dB unit) was measured by Sound Meter, an android application which supports calibration to achieve actual reading. Using a cluster random sampling technique, a total of 120 respondents were surveyed through questionnaire together with collecting noise levels' data of different times at all selected intersections. Questionnaire of this study included issues related to demographics, health and exposure to noise. Then appropriate statistical analysis was carried out by using Statistical Package for the Social Sciences (SPSS) and R Studio. Among the six intersections, highest (111 dB) level of traffic noise was found in Dakbangla and lowest (51 dB) in Moilapota. In fact, noise levels at all the intersections are greater than expected level. Intersections with inadequate carriageway width to accommodate all traffic flow along with low level traffic management can be considered as one of the major causes of high traffic noise levels at the intersections. High noise levels have been found to be correlated with rising risk of noise related physical and mental health issues. Most of the people got affected by several health related problems simultaneously such as hearing impairment, communication problem, sleeping disturbance, cardiovascular and psychophysiological issues, mental health problems and performance related problems. Among them, some people were found with diabetes mellitus who were affected by traffic noise while working along the roadside of these intersections. It is also observed that age is moderately correlated with noise related health problems. Although the study didn't withstand effects of other factors on health related problems, but it has explored something on this aforementioned issuse that creates an enormous scopes for clinical research and upgrading relevant policy.
Traffic noise has reached in an unacceptable level with the growing number of vehicles in urban a... more Traffic noise has reached in an unacceptable level with the growing number of vehicles in urban areas. Exposure to traffic noise causes significant health and behavioral risks for the people who are vending or working along the roadside. This research explores the traffic noise levels at six selected intersections of Khulna City and identifies its effects on human health. So, noise level (in dB unit) was measured by Sound Meter, an android application which supports calibration to achieve actual reading. Using a cluster random sampling technique, a total of 120 respondents were surveyed through questionnaire together with collecting noise levels' data of different times at all selected intersections. Questionnaire of this study included issues related to demographics, health and exposure to noise. Then appropriate statistical analysis was carried out by using Statistical Package for the Social Sciences (SPSS) and R Studio. Among the six intersections, highest (111 dB) level of traffic noise was found in Dakbangla and lowest (51 dB) in Moilapota. In fact, noise levels at all the intersections are greater than expected level. Intersections with inadequate carriageway width to accommodate all traffic flow along with low level traffic management can be considered as one of the major causes of high traffic noise levels at the intersections. High noise levels have been found to be correlated with rising risk of noise related physical and mental health issues. Most of the people got affected by several health related problems simultaneously such as hearing impairment, communication problem, sleeping disturbance, cardiovascular and psychophysiological issues, mental health problems and performance related problems. Among them, some people were found with diabetes mellitus who were affected by traffic noise while working along the roadside of these intersections. It is also observed that age is moderately correlated with noise related health problems. Although the study didn't withstand effects of other factors on health related problems, but it has explored something on this aforementioned issuse that creates an enormous scopes for clinical research and upgrading relevant policy.