The relationship between the noise pollution caused by road transport and demographic factors of residents living near the Basij highway, north to south Tehran district 15
6 January 2018
Background: Road traffic is considered as one of the main sources of noise pollution causing annoyance.
In this study the relationship between noise pollution and demographic factors of residents living near Basij highway, north to south of Tehran’s district 15 was studied.
Materials and Methods: The noise measurement was conducted along 2 kilometers that was divided into 10 stations, each with a length of 200 meters. The measurement of equivalent level of noise took 5 minutes in each station. A questionnaire was developed to investigate the relationship between noise and
annoyance. The Cochran formula yielded a sample size of 170 people, and their demographic factors were examined. All stages of study was conducted ethically.
Results: The noise annoyed women more than men, and 48.91% of women reported high annoyance.The minimum (75.9 dBA) and maximum (87.60 dBA) levels of noise were measured at the first and fifth stations, respectively. The relationships between noise annoyance and LeqA, sex, sleep disturbances,
headache, disturbance of the leisure time, and impaired concentration were statistically significant (P<0.05). Average equivalent level of sound in all stations were higher than the standard level.
Conclusion: In this study it was found that traffic noise leads to dysfunction of the studied area residents.Indeed, women found the constant noise of the traffic an annoyance. Taking corrective measures to ensure
physical and psychological health were thence recommended.
Keywords: Noise annoyance, Highway, Traffic, Pollution