Evaluation of the falls telephone: an automated system for enduring assessment of falls

Abstract

Objectives: To evaluate the reliability and user experiences of an automated telephone system to monitor falls during a prolonged period of time.

Design: Prospective cohort study.

Setting: Four neurological outpatient clinics in the Netherlands.

Participants: One hundred nineteen community-dwelling people with Parkinson's disease without dementia, because falls are common in this population.

Measurements: Clinical and demographic data were obtained. The Falls Telephone is a computerized telephone system through which participants can enter the number of falls during a particular period. During a follow-up of 1 to 40 weekly calls, 2,465 calls were made. In total, 173 no-fall entries and 115 fall entries were verified using personal telephone interviews. User experiences were evaluated in 90 of the 119 participants using structured telephone interviews.

Results: All no-fall entries and 78% of fall entries were confirmed to be correct. Sensitivity to detect falls was 100%, and specificity was 87%. Users regarded the Falls Telephone as a convenient tool to monitor falls.

Conclusion: The Falls Telephone is a convenient and reliable instrument to monitor falls. The automated system has high specificity, obviating the need for time-consuming personal follow-up calls in the majority of nonfallers. As such, the Falls Telephone lends itself well to data collection in large trials with prolonged follow-up in participants with Parkinson's disease.