The use of a videotaped questionnaire for studying asthma prevalence. A pilot study among New Zealand adolescents

Med J Aust. 1992 Sep 7;157(5):311-4.


Objective: To examine the feasibility of measuring asthma prevalence by means of an audio-visual presentation of asthma symptoms and signs (video questionnaire) and to compare this technique with a standard written questionnaire for predicting bronchial hyperresponsiveness.

Design: A cross-sectional study comparing the ability of a video questionnaire and a written, interviewer administered questionnaire to predict bronchial hyperresponsiveness. Bronchial responsiveness was measured with hand held nebulisers.

Setting: Community survey of a New Zealand rural secondary school.

Subjects: A total of 456 adolescent school children aged 12-19 years (mean 15.5 years).

Outcome measures: Comparison of the sensitivity and specificity of a standard questionnaire versus a video questionnaire for bronchial hyperresponsiveness.

Results: The technique was easy to administer in the community setting. Overall sensitivity and specificity for the prediction of bronchial hyperresponsiveness were similar for the video and interviewer administered questionnaires.

Conclusions: This new technique is easily used in the community setting, and gives predictions of bronchial hyperresponsiveness similar to those of a standard interviewer administered questionnaire. Further examination of the technique in comparisons of asthma prevalence among different populations is planned.

Publication types

  • Comparative Study
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adolescent
  • Asthma / epidemiology*
  • Asthma / physiopathology
  • Bronchial Hyperreactivity / diagnosis
  • Bronchial Hyperreactivity / epidemiology
  • Bronchial Provocation Tests
  • Cross-Sectional Studies
  • Ethnicity
  • Feasibility Studies
  • Humans
  • New Zealand / epidemiology
  • Pilot Projects
  • Prevalence
  • Sensitivity and Specificity
  • Surveys and Questionnaires*
  • Videotape Recording*