Cross-cultural Adaptation and Validation of the Thai Voice Handicap Index-10

Status

Recruiting

Phases

Phase 3

Study type

Interventional

Source

TCTR

Registry ID

TCTR20241029005

Enrollment

100

Registered

2024-10-29

Start date

2024-10-21

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Thai Voice Handicap Index-10 (VHI-10) questionnaire assesses the impact of voice disorders in individuals with dysphonia. Voice Disorders,Cross-Cultural Comparison, Voice Handicap Index

Interventions

Patients with voice disorders will complete three questionnaires Self-reported voice complaints and Visual Analogue Scale to rate the severity of the voice disorder. Thai version of the Voice Handica

Experimental Other,Experimental Other

Thai Voice Handicap Index 10 in dysphonia group,Thai Voice Handicap Index 10 in control group

Eligibility

Sex/Gender

All

Age

18 Years to 85 Years

Inclusion criteria

Inclusion criteria: Volunteers with Voice Disorders 1 Thai volunteers aged 18 to 85 years 2 has abnormal voice but have not experienced any changes in their abnormal voice for at least two weeks prior to the assessment and are visiting the Voice Clinic at Srinagarind Hospital 3 able to read, speak, communicate, and understand Thai Control Group Volunteers 1Thai volunteers aged 18 to 85 years 2 has no voice disorders 3 able to read, speak, communicate, and understand Thai

Exclusion criteria

Exclusion criteria: Volunteers with Voice Disorders 1 History of upper and/or lower respiratory tract infections within the month prior to the assessment 2 Have undergone laryngeal surgery and/or speech therapy within 3 months before the assessment. 3 Have limitations in understanding or language abilities. 4 Have other concurrent emergency conditions, such as difficulty breathing. Control Group Volunteers 1 History of upper and/or lower respiratory tract infections within the month prior to the assessment. 2Have undergone laryngeal surgery and/or speech therapy within 3 months before the assessment. 3Have limitations in understanding or language abilities. 4 Have other concurrent emergency conditions, such as difficulty breathing.

Design outcomes

Primary

Measure	Time frame
Validity of Thai Voice Handicap Index 10 After performing the VHI 10 and VHI 30 questionnaires Thai Voice Handicap Index 10 and 30 score	—

Secondary

Measure	Time frame
Reliability of Thai Voice Handicap Index 10 At 2 weeks after performing the first questionnaire Thai Voice Handicap Index 10 score	—

Countries

Thailand

Contacts

Public ContactChanticha Laohakittikul

Khon Kaen University, Thailand

chalao@kku.ac.th043363565

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026