Cross-cultural adaptation and validation of Dysphagia Handicap Index in Bangladesh
2024

Adapting the Dysphagia Handicap Index for Bangla Speakers

Sample size: 100 publication Evidence: high

Author Information

Author(s): Sultana Mehrin, Reshad Md. Muid Hossain, Mridha Md. Shohidul Islam

Primary Institution: Centre for the Rehabilitation of the Paralyzed (CRP), Dhaka, Bangladesh

Hypothesis

The study aims to linguistically validate and culturally adapt the Dysphagia Handicap Index (DHI) for Bangla-speaking individuals.

Conclusion

The adapted DHI-Ban is a reliable tool for assessing dysphagia in Bangla-speaking individuals.

Supporting Evidence

  • The DHI-Ban showed strong internal consistency with a Cronbach’s α of 0.89.
  • Significant differences were found between dysphagia patients and healthy individuals (p<0.001).
  • The test-retest reliability of the DHI-Ban was excellent with an ICC of 0.86.
  • Content validity was confirmed with IOC scores ranging from 0.67 to 1.
  • Feedback indicated that the DHI-Ban was culturally appropriate and easy to understand.

Takeaway

This study created a version of a questionnaire to help people in Bangladesh understand how swallowing problems affect their lives.

Methodology

A cross-sectional study design was used, following Beaton’s protocol for translation and validation.

Limitations

The study only included recent studies and had limited duration and resources.

Participant Demographics

50 dysphagia patients (34 males, 16 females) and 50 healthy individuals (30 males, 20 females), aged 18 and older.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/s41687-024-00803-y

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