Article,

Direct, indirect influences of income on road traffic noise annoyance

, and .
Journal of Environmental Psychology, (2006)

Abstract

Studies of human reactions to noise have often also studied possible impacts of nonacoustic variables such as income, education and occupational status. While such social status variables have been shown to modify health outcomes they do not have any important effect in noise-annoyance studies. However, the socio-acoustic research analyses usually employ regression models where the noise each person is exposed to is regarded as exogenous, i.e given. This precludes the analysis of indirect effects, such as wealthy people buying themselves out of noisy neighbourhoods. To explore this type of indirect effects, the relationship between noise exposure, income and noise annoyance is investigated a step further in this paper. Structural equation models incorporating both direct and indirect pathways have been estimated using data from six socio-acoustic surveys combining individual noise exposure measures with questions on noise perception and background characteristics. The hypothesis that high-income groups buy themselves free from noise is only partly confirmed. It seems to hold true for residents of a small-to-medium size city, but not for residents of a larger city. With respect to income as a possible modifier of annoyance, the previous results that no such moderating effects can be found are confirmed.

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