TY - JOUR PY - 2003// TI - Validation of a home safety questionnaire used in a randomised controlled trial JO - Injury prevention A1 - Coupland, Carol A. C. A1 - Kendrick, Denise A1 - Watson, M. SP - 180 EP - 183 VL - 9 IS - 2 N2 - OBJECTIVE: To measure the validity of self reported safety practices from a questionnaire, completed by families participating in a home safety randomised controlled trial. METHODS: The postal questionnaire was used to measure secondary outcomes in a randomised controlled trial. The answers to 26 questions that could be assessed by observation were checked by a home visit. Families were invited to take part in a "home safety check"; they were not told that the visit was part of a validation study. At the time of the visit the researcher was blind to the self reports in the questionnaires. RESULTS: Sixty four questionnaires were validated by visits to 64 households. Percentage agreement ranged from 58% to 100%. Sensitivity was high (68% or above) for most safety practices. The positive predictive value was also high for most safety practices (78% or above for 15 of the 16 practices). CONCLUSIONS: This study found a fairly high degree of consistency between self reported data and actual observations. The findings from this relatively small study need confirmation from larger studies. LA - en SN - 1353-8047 UR - http://dx.doi.org/ ID - ref1 ER -