{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T16:31:07Z","timestamp":1789576267321,"version":"build-2803163510"},"reference-count":43,"publisher":"Elsevier BV","issue":"2","license":[{"start":{"date-parts":[[2017,3,1]],"date-time":"2017-03-01T00:00:00Z","timestamp":1488326400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"funder":[{"DOI":"10.13039\/501100002706","name":"AFA Insurance","doi-asserted-by":"publisher","award":["110230"],"award-info":[{"award-number":["110230"]}],"id":[{"id":"10.13039\/501100002706","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Voice"],"published-print":{"date-parts":[[2017,3]]},"DOI":"10.1016\/j.jvoice.2016.08.008","type":"journal-article","created":{"date-parts":[[2016,10,15]],"date-time":"2016-10-15T23:18:11Z","timestamp":1476573491000},"page":"246.e1-246.e10","source":"Crossref","is-referenced-by-count":23,"title":["Long-Time Voice Accumulation During Work, Leisure, and a Vocal Loading Task in Groups With Different Levels of Functional Voice Problems"],"prefix":"10.1016","volume":"31","author":[{"given":"Susanna","family":"Whitling","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Viveka","family":"Lyberg-\u00c5hlander","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Roland","family":"Rydell","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.jvoice.2016.08.008_bib0010","doi-asserted-by":"crossref","first-page":"220","DOI":"10.1159\/000078344","article-title":"Occupational safety and health aspects of voice and speech professions","volume":"56","author":"Vilkman","year":"2004","journal-title":"Folia Phoniatr Logop"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0015","doi-asserted-by":"crossref","first-page":"29","DOI":"10.1016\/j.jvoice.2004.05.002","article-title":"Loud speech in realistic environmental noise: phonetogram data, perceptual voice quality, subjective ratings, and gender differences in healthy speakers","volume":"19","author":"S\u00f6dersten","year":"2005","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0020","doi-asserted-by":"crossref","first-page":"430","DOI":"10.1016\/j.jvoice.2009.12.006","article-title":"Speaker's comfort in teaching environments: voice problems in Swedish teaching staff","volume":"25","author":"Lyberg-\u00c5hlander","year":"2011","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0025","doi-asserted-by":"crossref","first-page":"7","DOI":"10.3109\/14015439609099197","article-title":"Voice disorders and occupations","volume":"21","author":"Fritzell","year":"1996","journal-title":"Logoped Phoniatr Vocol"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0030","doi-asserted-by":"crossref","first-page":"629","DOI":"10.1016\/j.jvoice.2011.11.002","article-title":"Voice disorders in teacher students\u2013a prospective study and a randomized controlled trial","volume":"26","author":"Ohlsson","year":"2015","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0035","doi-asserted-by":"crossref","first-page":"281","DOI":"10.1044\/1092-4388(2004\/023)","article-title":"Prevalence of voice disorders in teachers and the general population","volume":"47","author":"Roy","year":"2004","journal-title":"J Speech Lang Hear Res"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0040","doi-asserted-by":"crossref","first-page":"283","DOI":"10.1016\/j.jvoice.2006.10.001","article-title":"Acoustic measures and self-reports of vocal fatigue by female teachers","volume":"22","author":"Laukkanen","year":"2008","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0045","doi-asserted-by":"crossref","first-page":"344","DOI":"10.1016\/S0892-1997(02)00106-6","article-title":"Voice changes during work: subjective complaints and objective measurements for female primary and secondary schoolteachers","volume":"16","author":"Rantala","year":"2002","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0050","doi-asserted-by":"crossref","first-page":"282","DOI":"10.1159\/000066149","article-title":"Changes in teachers' speech during a working day with and without electric sound amplification","volume":"54","author":"J\u00f3nsdottir","year":"2002","journal-title":"Folia Phoniatr Logop"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0055","doi-asserted-by":"crossref","first-page":"166","DOI":"10.1016\/j.jvoice.2009.09.009","article-title":"Observations of the relationship between noise exposure and preschool teacher voice usage in day-care center environments","volume":"25","author":"Lindstr\u00f6m","year":"2011","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0060","doi-asserted-by":"crossref","first-page":"183","DOI":"10.1016\/j.jvoice.2008.07.008","article-title":"Risk factors and effects of voice problems for teachers","volume":"24","author":"Chen","year":"2009","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0065","doi-asserted-by":"crossref","first-page":"99","DOI":"10.1080\/14015430701431192","article-title":"Development of a modified diagnostic classification system for voice disorders with inter-rater reliability study","volume":"32","author":"Baker","year":"2007","journal-title":"Logoped Phoniatr Vocol"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0070","doi-asserted-by":"crossref","first-page":"841","DOI":"10.1016\/j.jvoice.2014.03.006","article-title":"Teachers' voice use in teaching environments: a field study using ambulatory phonation monitor","volume":"28","author":"Lyberg-\u00c5hlander","year":"2014","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0075","doi-asserted-by":"crossref","first-page":"84","DOI":"10.1159\/000354673","article-title":"Speaking fundamental frequency and phonation time during work and leisure time in vocally healthy preschool teachers measured with a voice accumulator","volume":"65","author":"Szabo Portela","year":"2014","journal-title":"Folia Phoniatr Logop"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0080","doi-asserted-by":"crossref","first-page":"243","DOI":"10.2147\/PROM.S68631","article-title":"Functional dysphonia: strategies to improve patient outcomes","volume":"6","author":"Behlau","year":"2015","journal-title":"Patient Relat Outcome Meas"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0085","doi-asserted-by":"crossref","first-page":"144","DOI":"10.1097\/00020840-200306000-00002","article-title":"Functional dysphonia","volume":"11","author":"Roy","year":"2003","journal-title":"Curr Opin Otolaryngol Head Neck Surg"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0090","doi-asserted-by":"crossref","first-page":"862","DOI":"10.1044\/1092-4388(2009\/09-0040)","article-title":"Variations in intensity, fundamental frequency, and voicing for teachers in occupational versus nonoccupational settings","volume":"53","author":"Hunter","year":"2010","journal-title":"J Speech Lang Hear Res"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0095","first-page":"377","article-title":"The effectiveness of the comprehensive voice rehabilitation program compared with the vocal function exercises method in behavioral dysphonia: a randomized clinical trial","volume":"30","author":"Pedrosa","year":"2015","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0100","doi-asserted-by":"crossref","first-page":"80","DOI":"10.1044\/vvd24.2.80","article-title":"Direct comparison of three commercially available devices for voice ambulatory monitoring and biofeedback","volume":"24","author":"Van Stan","year":"2014","journal-title":"Perspect Voice Voice Disord"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0105","doi-asserted-by":"crossref","first-page":"254","DOI":"10.1080\/14417040701730990","article-title":"Vocal fatigue and its relation to vocal hyperfunction","volume":"10","author":"Solomon","year":"2008","journal-title":"Int J Speech Lang Pathol"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0110","doi-asserted-by":"crossref","first-page":"646","DOI":"10.1016\/j.jvoice.2014.09.006","article-title":"Natural voice use in patients with voice disorders and vocally healthy speakers based on 2 days voice accumulator information from a database","volume":"29","author":"S\u00f6dersten","year":"2015","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0115","doi-asserted-by":"crossref","first-page":"66","DOI":"10.1044\/1058-0360.0603.66","article-title":"The voice handicap index (VHI) development and validation","volume":"6","author":"Jacobson","year":"1997","journal-title":"Am J Speech Lang Pathol"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0120","doi-asserted-by":"crossref","first-page":"202","DOI":"10.1177\/1094428105284919","article-title":"The sources of four commonly reported cutoff criteria: what did they really say?","volume":"9","author":"Lance","year":"2006","journal-title":"Organ Res Methods"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0125","doi-asserted-by":"crossref","first-page":"261","DOI":"10.1016\/j.jvoice.2014.07.012","article-title":"Design of a clinical vocal loading test with long-time measurement of voice","volume":"29","author":"Whitling","year":"2015","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0130","series-title":"An Analysis of Variance Test for Normality (Complete Samples)","first-page":"591","author":"Shapiro","year":"1965"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0135","first-page":"21","article-title":"Power comparisons of Shapiro-Wilk, Kolmogorov-Smirnov, Lilliefors and Anderson-Darling tests","volume":"2","author":"Razali","year":"2011","journal-title":"J Stat Model Anal"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0140","series-title":"Fundamental Statistics for Social Research: Step-by-Step Calculations and Computer Techniques Using SPSS for Windows","author":"Cramer","year":"1998"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0145","series-title":"The Sage Dictionary of Statistics","author":"Cramer","year":"2004"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0150","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1080\/10691898.2011.11889611","article-title":"Measuring skewness: a forgotten statistic?","volume":"19","author":"Doane","year":"2011","journal-title":"J Stat Educ"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0155","doi-asserted-by":"crossref","first-page":"98","DOI":"10.1111\/1467-8721.ep10768783","article-title":"Statistical power analysis","volume":"1","author":"Cohen","year":"1992","journal-title":"Curr Dir Psychol Sci"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0160","doi-asserted-by":"crossref","first-page":"677","DOI":"10.1044\/jshr.1404.677","article-title":"The Lombard sign and the role of hearing in speech","volume":"14","author":"Lane","year":"1971","journal-title":"J Speech Lang Hear Res"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0165","doi-asserted-by":"crossref","first-page":"493","DOI":"10.1288\/00005537-198805000-00003","article-title":"Vocal fatigue and dysphonia in the professional voice user: Bogart-Bacall syndrome","volume":"98","author":"Koufman","year":"1988","journal-title":"Laryngoscope"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0170","doi-asserted-by":"crossref","first-page":"77","DOI":"10.1007\/s004050000299","volume":"258","author":"Dejonckere","year":"2001","journal-title":"Eur Arch Otorhinolaryngol"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0175","doi-asserted-by":"crossref","first-page":"469","DOI":"10.1121\/1.2390676","article-title":"Voicing and silence periods in daily and weekly vocalizations of teachers","volume":"121","author":"Titze","year":"2007","journal-title":"J Acoust Soc Am"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0180","doi-asserted-by":"crossref","first-page":"786","DOI":"10.1016\/j.annepidem.2004.03.004","article-title":"Occupational risk factors associated with voice disorders among teachers","volume":"14","author":"Thibeault","year":"2004","journal-title":"Ann Epidemiol"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0185","doi-asserted-by":"crossref","first-page":"47","DOI":"10.1016\/S0378-5122(97)00062-5","article-title":"The effect of postmenopause and postmenopausal HRT on measured voice values and vocal symptoms","volume":"28","author":"Lindholm","year":"1997","journal-title":"Maturitas"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0190","doi-asserted-by":"crossref","first-page":"2018","DOI":"10.1121\/1.4949949","article-title":"Vocal dosimeter devices and their uncertainty","volume":"139","author":"Bottalico","year":"2016","journal-title":"J Acoust Soc Am"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0195","doi-asserted-by":"crossref","first-page":"749","DOI":"10.1044\/jslhr.4303.749","article-title":"Personality and voice disorders: a superfactor trait analysis","volume":"43","author":"Roy","year":"2000","journal-title":"J Speech Lang Hear Res"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0200","doi-asserted-by":"crossref","first-page":"762","DOI":"10.1016\/j.jvoice.2014.03.005","article-title":"Patterns of emotional expression and responses to health and illness in women with functional voice disorders (MTVD) and a comparison group","volume":"28","author":"Baker","year":"2014","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0205","doi-asserted-by":"crossref","first-page":"196","DOI":"10.1016\/j.jvoice.2013.03.014","article-title":"Analogy instruction and speech performance under psychological stress","volume":"28","author":"Tse","year":"2014","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0210","series-title":"International Classification of Functioning Disability and Health: ICF","author":"WHO","year":"2001"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0215","article-title":"An ICF perspective on voice-related quality of life of American transgender women","author":"Hancock","year":"2016","journal-title":"J Voice"},{"key":"10.1016\/j.jvoice.2016.08.008_bib0220","doi-asserted-by":"crossref","first-page":"82","DOI":"10.1159\/000265888","article-title":"Speaking fundamental frequency characteristics of normal Swedish subjects obtained by glottal frequency analysis","volume":"40","author":"Pegoraro Krook","year":"1988","journal-title":"Folia Phoniatr (Basel)"}],"container-title":["Journal of Voice"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0892199716301941?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0892199716301941?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2019,9,14]],"date-time":"2019-09-14T13:07:52Z","timestamp":1568466472000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0892199716301941"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,3]]},"references-count":43,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2017,3]]}},"alternative-id":["S0892199716301941"],"URL":"https:\/\/doi.org\/10.1016\/j.jvoice.2016.08.008","relation":{},"ISSN":["0892-1997"],"issn-type":[{"value":"0892-1997","type":"print"}],"subject":[],"published":{"date-parts":[[2017,3]]}}}