Case Study: Senior Living Facility Reduces Falls by 60% with PIR Sensors

Overview

A 200-bed senior living facility in Florida was experiencing 15-20 fall-related incidents per month. Many falls occurred at night when residents got up to use the bathroom, and staff response times averaged 15-20 minutes. The facility needed a non-intrusive monitoring solution that preserved resident privacy while improving safety.

The Challenge

The facility faced several specific issues:

• Falls often went undetected for 30+ minutes
• Staff could not monitor all residents simultaneously
• Cameras were not acceptable for privacy reasons
• Wearable call buttons were often forgotten or removed
• Nighttime bathroom trips were the highest risk period

The Solution

The facility implemented a PIR-based fall detection and activity monitoring system:

• Sensors: Panasonic EKMB series with high sensitivity
• Configuration: 2 sensors per room (bedroom + bathroom)
• Coverage: 360° ceiling mount for full room coverage
• Integration: Nurse call system and staff mobile alerts
• Quantity: 400 sensors across 200 resident rooms

Fall detection algorithm:

• Rapid motion pattern (characteristic of falling)
• Followed by prolonged inactivity (30 seconds minimum)
• Location tracking (bathroom = higher risk)
• Time of day weighting (nighttime = higher risk)

Activity monitoring tracked daily patterns: bed exit frequency, bathroom visits, and general movement. Deviations triggered alerts to caregivers.

Implementation

The rollout was completed over four months:

1. Month 1: Pilot program in 20 rooms (40 sensors)
2. Month 2: Wing A (80 rooms, 160 sensors)
3. Month 3: Wing B (80 rooms, 160 sensors)
4. Month 4: Common areas and staff training

Staff received training on interpreting alerts and responding to potential falls. The system was configured to reduce false alarms (sensitivity adjustments based on resident mobility).

Results

After 12 months of operation:

15-20

6-8

60% reduction

15-20 min

<1 min

95% faster

5-7/month

1-2/month

70% reduction

15 min

3 min

80% faster

65%

92%

+27%

表

Additional benefits included:

• Reduced hospitalizations from fall injuries (40% reduction)
• Lower liability insurance premiums (15% reduction)
• Improved family satisfaction (real-time alerts)
• Better staff efficiency (fewer unnecessary room checks)
• Early detection of health issues (activity pattern changes)

Key Lessons Learned

1. Privacy is paramount: Residents accepted PIR sensors but refused cameras.
2. Bathroom sensors are critical: 70% of falls occurred in bathrooms; dedicated sensors reduced false alarms.
3. Algorithm tuning takes time: Initial false positives decreased after 3 months of learning resident patterns.
4. Staff acceptance required training: Caregivers needed to understand when to trust alerts.
5. Family communication matters: Explaining the system to families improved satisfaction.

Conclusion

This case study demonstrates that PIR-based fall detection systems can significantly reduce fall-related injuries in senior living facilities. The 60% reduction in falls and 95% faster detection time improved resident safety while preserving privacy. The key to success was bathroom-specific sensors and activity pattern learning.