The use of evidence-based guidance to enable reliable and accurate measurements of the home environment.

The study was small and did not include physical therapists or speech-language pathologists. All health professionals in the sample were female, and only two occupational therapists had less than five years of experience. The design was within-group, with no separate control group. Many measurements could not be compared before and after guidance because some participants did not record measurements at baseline. The split-group reliability analyses had very few participants for some items, so non-significant results may reflect low power. The accuracy test found significant improvement only for stair length, chair depth and chair width, not for most items. The acceptable margin of error was based on 26 participants and was not linked to specific furniture measurements. The study did not record participants' impairments, so it is unclear how mobility, bending or vision problems affected measurements. Some guidance materials may have caused confusion, including the bath diagram, toilet seat pictures and chair height instructions. The study reported measurement reliability and accuracy, not device fit, safety or abandonment outcomes.

Do not conclude that this guidance has been shown to prevent equipment abandonment or improve patient safety. It tested measurement accuracy and reliability in a small group, and the formal accuracy tests were positive only for stair length, chair depth and chair width.