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Accepted for/Published in: JMIR AI

Date Submitted: Mar 3, 2026
Date Accepted: Jul 24, 2026

The final, peer-reviewed published version of this preprint can be found here:

Consumer Preferences for AI-Based Smart Home Medical Emergency Detection Among German Adults: Choice-Based Conjoint Analysis

Jagemann I, Baudisch J, Jungeblut T, Maier G, Hirschfeld G

Consumer Preferences for AI-Based Smart Home Medical Emergency Detection Among German Adults: Choice-Based Conjoint Analysis

JMIR AI 2026;5:e94589

DOI: 10.2196/94589

PMID: 42743554

Consumer Preferences for AI-Based Smart Home Medical Emergency Detection Among German Adults: Choice-Based Conjoint Analysis

  • Inga Jagemann; 
  • Justin Baudisch; 
  • Thorsten Jungeblut; 
  • Günter Maier; 
  • Gerrit Hirschfeld

ABSTRACT

Background:

Smart home technology powered by artificial intelligence (AI) can detect anomalies and make emergency calls, enabling residents to live safely and independently. However, the adoption of such technologies for medical emergency detection remains limited.

Objective:

This study aimed to explore consumer preferences for AI-based smart home technology for medical emergency detection and identify predictors such as sociodemographic variables, AI literacy, and technology affinity.

Methods:

A sample of 300 participants (57% female, 43% male, aged 18–69) completed a choice-based conjoint analysis (CBCA). Participants evaluated 15 choice sets describing smart home variants based on cost, location, emergency detection rate, type of sensor, and data processing.

Results:

Cost was the most important attribute (Relative Importance [RI] = 41%), followed by emer-gency detection rate (RI = 19%), data processing (RI = 14%), and location (RI = 14%). The type of sensor was the least important attribute (RI = 9%). While most expected correlations between sociodemographic variables and attribute importances were not observed, a signifi-cant correlation between self-reported health status and emergency detection rate was found (p < .01). Interestingly, 61% of participants preferred AI over human involvement in data processing, but logistic regression revealed that participants with higher AI literacy were less likely to prefer AI over human involvement (p < .05).

Conclusions:

These findings highlight the need to align smart home development with user preferences, emphasizing cost-effectiveness. Additionally, AI literacy plays an important role in technol-ogy adoption in the context of AI-based smart home technology. Further research is needed to understand and address the reluctance to adopt AI for medical emergency detection.


 Citation

Please cite as:

Jagemann I, Baudisch J, Jungeblut T, Maier G, Hirschfeld G

Consumer Preferences for AI-Based Smart Home Medical Emergency Detection Among German Adults: Choice-Based Conjoint Analysis

JMIR AI 2026;5:e94589

DOI: 10.2196/94589

PMID: 42743554

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