The present study investigates differences between a Swedish and an American sample of young students regarding attitudes towards noise and the use of hearing protection at concerts. The study population was comprised of 179 participants from Sweden and 203 participants from the United States, who ranged in age from 17 to 21 years. Questionnaires were used to gather information on hearing symptoms and attitudes towards noise (Youth Attitude to Noise Scale). Multivariate analysis of variance revealed that attitudes towards noise differed significantly due to gender and country. Men had slightly more positive attitude towards noise than women, and men from the USA had more positive attitudes than men from Sweden. Least positive were the women from Sweden (except regarding attitudes towards the ability to concentrate in noisy environments). Multivariate logistic regression analysis was used to examine the influence of attitudes towards noise and country on young people's use of hearing protection at concerts. The results indicated that attitudes and country explained 50% of the variance in use of hearing protection.
According to epidemiological studies of tinnitus prevalence, 0.5-1% of respondents report that tinnitus severely affects their ability to lead a normal life. In the present investigation quality of life and its association with tinnitus-related factors: psychological, psychosomatic and audiological, was studied based on a sample of 122 patients, who attended the hearing clinic for distress due to tinnitus. A stepwise regression analysis was performed with quality of life as a dependent variable. Six of 13 variables included in the model proved to be significant regressors and to explain 65% of the variance. The six predictor variables were: impaired concentration, feeling depressed, perceived negative attitudes, hypersensitivity to sounds, average hearing level (best ear) and tinnitus duration (the shorter the duration of tinnitus the more negative impact on quality of life). The three most significant predictors were directly related to perceived psychological distress and explained most of the variance in quality of life in tinnitus patients included in this study. An unexpected finding was that fluctuations in tinnitus, vertigo, headache or perceived social support did not prove to belong to the significant regressors. The results are discussed in view of the construct of quality of life, depressive cognitions and social support in general, as well as in tinnitus-specific life circumstances.
Since somatic or somatosensory tinnitus (ST) was first described as a subtype of subjective tinnitus, where altered somatosensory afference from the cervical spine or temporomandibular area causes or changes a patient’s tinnitus perception, several studies in humans and animals have provided a neurophysiological explanation for this type of tinnitus. Due to a lack of unambiguous clinical tests, many authors and clinicians use their own criteria for diagnosing ST. This resulted in large differences in prevalence figures in different studies and limits the comparison of clinical trials on ST treatment. This study aimed to reach an international consensus on diagnostic criteria for ST among experts, scientists and clinicians using a Delphi survey and face-to-face consensus meeting strategy. Following recommended procedures to gain expert consensus, a two-round Delphi survey was delivered online, followed by an in-person consensus meeting. Experts agreed upon a set of criteria that strongly suggest ST. These criteria comprise items on somatosensory modulation, specific tinnitus characteristics, and symptoms that can accompany the tinnitus. None of these criteria have to be present in every single patient with ST, but in case they are present, they strongly suggest the presence of ST. Because of the international nature of the survey, we expect these criteria to gain wide acceptance in the research field and to serve as a guideline for clinicians across all disciplines. Criteria developed in this consensus paper should now allow further investigation of the extent of somatosensory influence in individual tinnitus patients and tinnitus populations.
The purpose of the present study was to investigate possible associations between college students' attitudes, risk-taking behaviour related to noisy activities, and hearing problems such as threshold shifts or self-experienced hearing symptoms. The sample included 258 students aged between 17 and 21 enrolled at the University of Pennsylvania, USA. A questionnaire measuring attitudes towards noise, use of hearing protection, and self-reported hearing symptoms was distributed among the students. After completing the questionnaire a hearing screening, including pure-tone audiometry and tympanometry, was conducted. The result revealed that 26% had thresholds poorer than the screening level of 20 dBHL. Attitudes were significantly related to self-experienced hearing symptoms, but not to threshold shifts. Attitudes and noise sensitivity was, significantly related to use of hearing protection. Hearing protection use was found in activities such as using firearms, mowing lawns, and when using noisy tools but was less reported for concerts and discotheques. It can be concluded that the young adults in this study expose themselves to hearing risks, since the use of hearing protection is in general very low.
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