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Browsing by Subject "ääniergonomia"

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  • Markkinen, Eeva (2021)
    Aims of the study. Actors, singers and other professional voice users are at a high risk of experiencing voice problems during their careers. The biggest reasons for this are heavy vocal load and the voice user’s internal and external factors. Voice professionals’ voice problems are common, even though the awareness of vocal health and the knowledge and the use of voice care are good. This study aims to map self-reported voice problems and the occupation-spesific special features of voice use in adult voice actors working in Finland. The aim of the survey was to find out what kinds of vocal symptoms exist and how they affect the voice actors’ psycho-social well-being. Moreover the prevalence of risk factors and their connection to voice symptoms was searched. Voice actors’ voice care was also mapped. The aim of this study is to create new knowledge of an unresearched occupation. Methods. The research material was collected using an electronic survey. The survey was created for this research. The survey consisted of research-spesific sections and included both validated sections that had been translated to Finnish (Screen11 and Voice Handicap Index) and sections that were created for this research. In the survey there were both open and closed questions. 24 voice actors answered the questionnaire. The analysis of the research material was done with SPSS. In the qualitative analysis the questions were typificated, compiled to statistics and example answers were chosen. The statistic analysis was used to find out the prevalence of certain phenomena. Saphiro-Wilk normality test was conducted and on basis of the results correlations and the non-parametric Mann-Whitney U -test were chosen over parametric tests. These tests aimed to find out the connections of dependent and independent variables. Results and conclusions. The participating voice actors didn’t report having voice problems within the 12 month period under consideration. Thus voice problems didn’t affect the participants’ experince of psycho-social competence. Other questions, however, revealed a prevalence of 79,2% voice problems. There was no connection of risk factors, such as using demanding voice qualities, to vocal symptoms or the psycho-social experince. Voice actors had searched for and had reseived help from professionals, such as phoniatrists and speech therapists. The experiences of the benefits varied. Nearly all given voice care means were in use. Because the research material was limited and the survey would need some adjustment, more research is needed. This research offers some guidelines in the study of voice actors’ voice problems, but on basis of this research conclusions or generalisations of the prevalence of voice problems or risk factors can’t be made.
  • Suomalainen, Anna-Katri (2021)
    Vocal symptoms and voice disorders may have a detrimental effect on the quality of life. Earlier research has shown that individuals working in professions with heavy vocal loading are more susceptible to voice problems than the general population. Studies have also shown that kindergarten teachers are especially susceptible to voice problems, but studies addressing vocal symptoms and voice ergonomic risk factors concerning day care center personnel in Finland are scarce. The purpose of this study was to examine the prevalence of vocal symptoms in day care center personnel in Finland, and to find out how the symptoms affect the personnel’s daily life. The study also investigated which voice ergonomic risk factors have a statistically significant association with frequently occurring vocal symptoms. In total, 72 kindergarten teachers and children’s nurses from 19 daycare centers in southern Finland participated in the study. Data were collected through an online questionnaire, which included demographic information, health and voice-related questions, Screen6, Voice Handicap Index (VHI) and Voice Activity and Participation Profile (VAPP). Sections concerning voice ergonomics in work environment included working culture, working posture and indoor air quality. The data were analyzed using SPSS 27 software. Of the participants, 29 percent experienced two or more symptoms daily or weekly, which, according to previous research, can be defined as a voice problem. The most common frequently occurring vocal symptom was a need for throat clearing or coughing while speaking, which occurred among 32 percent of the participants daily or weekly. The scores on the VHI and VAPP, however, showed that the vocal symptoms did not have a significant negative effect on daily activities. There was a statistically significant association between frequently occurring vocal symptoms and asthma medication, heartburn, respiratory infections during the last 12 months, absence from work due to voice problems during the last 12 months (not related to respiratory infections), noise, colleagues’ distractive voice use, muscle tension in shoulders, chin and in the back of the neck, dry indoor air, dusty indoor air and poor indoor air quality in the workplace in the mornings. The results are similar to previous findings, and they strengthen the idea that in order to be able to prevent voice disorders, it is essential to pay special attention to voice and voice ergonomics in day care centers.