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Vocal tract discomfort in teachers after teaching activity.

Abstract Purpose To evaluate the vocal tract discomfort (VTD) reported by teachers, comparing their vocal self-assessment at three different times: before teaching, after four hours of teaching, and after eight hours of teaching. Methods The study sample was composed of 50 teachers: 42 women and eight men. The participating teachers were divided into two groups according to the cutoff value of the Voice Symptom Scale (VoiSS): Vocal Risk Group (VRG) and Vocally Healthy Group (VHG). The List of Vocal Signs and Symptoms (LVSS) was used to identify the number of vocal symptoms in each group. The groups were evaluated at three specific moments (before (BT) and after four (4HT) and eight (8HT) hours of teaching) by means of the Vocal Tract Discomfort Scale (VTD scale) and vocal self-assessment. Results The VRG presented more vocal signs and symptoms of the LVSS than the VHG (total: VHG=0.56/VRG=1.60, p<0.001; work-related VHG=0.79/VRG=2.49, p<0.001). The VHG did not report change in discomfort for both frequency (p=1.132) and severity (p=0.431) and showed better vocal self-assessment (BT=0.67; 4HT=0.96; 8HT=0.96, p=0.007). However, the VRG presented vocal tract discomfort after four and eight hours of teaching for both frequency (BT=1.60; 4HT=2.49; 8HT=2.95, p<0.001) and severity (BT=1.79; 4HT=2.52; 8HT=3.12, p<0.001) and worse voice self-assessment (BT=2.00; 4HT=2.42; 8HT=3.00, p<0.001). Conclusion Teachers at vocal risk present worse vocal self-assessment and increased vocal tract discomfort throughout the teaching working day.
PMID
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Authors

Mayor MeshTerms
Keywords
Journal Title codas
Publication Year Start




PMID- 28355385
OWN - NLM
STAT- In-Process
DA  - 20170329
LR  - 20170329
IS  - 2317-1782 (Electronic)
IS  - 2317-1782 (Linking)
VI  - 29
IP  - 2
DP  - 2017
TI  - Vocal tract discomfort in teachers after teaching activity.
PG  - e20160045
LID - S2317-17822017000200306 [pii]
LID - 10.1590/2317-1782/20172016045 [doi]
AB  - Purpose To evaluate the vocal tract discomfort (VTD) reported by teachers,
      comparing their vocal self-assessment at three different times: before teaching, 
      after four hours of teaching, and after eight hours of teaching. Methods The
      study sample was composed of 50 teachers: 42 women and eight men. The
      participating teachers were divided into two groups according to the cutoff value
      of the Voice Symptom Scale (VoiSS): Vocal Risk Group (VRG) and Vocally Healthy
      Group (VHG). The List of Vocal Signs and Symptoms (LVSS) was used to identify the
      number of vocal symptoms in each group. The groups were evaluated at three
      specific moments (before (BT) and after four (4HT) and eight (8HT) hours of
      teaching) by means of the Vocal Tract Discomfort Scale (VTD scale) and vocal
      self-assessment. Results The VRG presented more vocal signs and symptoms of the
      LVSS than the VHG (total: VHG=0.56/VRG=1.60, p&lt;0.001; work-related
      VHG=0.79/VRG=2.49, p&lt;0.001). The VHG did not report change in discomfort for both
      frequency (p=1.132) and severity (p=0.431) and showed better vocal
      self-assessment (BT=0.67; 4HT=0.96; 8HT=0.96, p=0.007). However, the VRG
      presented vocal tract discomfort after four and eight hours of teaching for both 
      frequency (BT=1.60; 4HT=2.49; 8HT=2.95, p&lt;0.001) and severity (BT=1.79; 4HT=2.52;
      8HT=3.12, p&lt;0.001) and worse voice self-assessment (BT=2.00; 4HT=2.42; 8HT=3.00, 
      p&lt;0.001). Conclusion Teachers at vocal risk present worse vocal self-assessment
      and increased vocal tract discomfort throughout the teaching working day.
FAU - Amaral, Amanda Correa do
AU  - Amaral AC
AD  - Centro de Estudos da Voz, Sao Paulo, SP, Brasil.
FAU - Zambon, Fabiana
AU  - Zambon F
AD  - Centro de Estudos da Voz, Sao Paulo, SP, Brasil.
FAU - Moreti, Felipe
AU  - Moreti F
AD  - Centro de Estudos da Voz, Sao Paulo, SP, Brasil.
FAU - Behlau, Mara
AU  - Behlau M
AD  - Centro de Estudos da Voz, Sao Paulo, SP, Brasil.
LA  - eng
LA  - por
PT  - Journal Article
TT  - Desconforto do trato vocal em professores apos atividade letiva.
DEP - 20170327
PL  - Brazil
TA  - Codas
JT  - CoDAS
JID - 101623246
EDAT- 2017/03/30 06:00
MHDA- 2017/03/30 06:00
CRDT- 2017/03/30 06:00
PHST- 2016/02/23 [received]
PHST- 2016/07/13 [accepted]
AID - S2317-17822017000200306 [pii]
AID - 10.1590/2317-1782/20172016045 [doi]
PST - ppublish
SO  - Codas. 2017;29(2):e20160045. doi: 10.1590/2317-1782/20172016045. Epub 2017 Mar
      27.

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