Research Summary
Analyzed using Evidence Intelligence™

Smart Speaker Device Improves Mental Health in Older Adults with Diabetes

Last updated July 18, 2026

Key finding

The fully adjusted mean SRQ-20 score was 6.29 for the intervention group and 7.75 for the usual care group, resulting in a mean difference of -1.46 (95% CI, -2.73 to -0.19; P = .02).

This study evaluated the impact of an interactive virtual assistant device on mental health and diabetes management in older adults with diabetes, finding significant improvements in several outcomes.

Quick read

Study at a glance

The essential study design details in one scan.

EvidenceScore™

Moderate

Study type

RCTs

Follow-up

Medium-Term (3–12 mo)

Risk of bias

High Risk

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Plain-language summary

What this paper says

A plain-language read of the study’s main message and where it applies.

Study focus

This study evaluated the impact of an interactive virtual assistant device on mental health and diabetes management in older adults with diabetes, finding significant improvements in several outcomes.

Clinical relevance

These findings suggest that integrating technology like interactive virtual assistants into diabetes care can enhance mental health and self-management among older adults. This could lead to better health outcomes and improved quality of life for this population, highlighting the potential for technology to play a crucial role in chronic disease management.

Keep in mind

The effectiveness of the intervention remains unclear for some outcomes. The study may not be generalizable to younger populations. Potential confounding factors were not fully addressed.

Published in

Journal Reference

Publication details and source links for this paper.

Lucas SM, Frederico LDC, Laura GBDB, et al. Can an Interactive Virtual Assistant Device Improve Mental Health and Diabetes Management Among Older Individuals with Diabetes?. JAMA Network Open. 2026;9(1):e2553508. doi:10.1001/jamanetworkopen.2025.53508

Main Effects

Mental distress decreased by 1.46 points (SRQ-20 score) in the intervention group (P = .02).

Quality of life increased by 9.46 points (SF-36 score) in the intervention group (P = .001).

Adherence to diabetes self-care improved by 3.40 points (SCI-R score) in the intervention group (P < .001).

Evidence network

How this study fits

Understand where this research contributes within the broader evidence network.

Evidence Context

This study contributes evidence to Interactive Virtual Assistant Device (Smart Speaker Echo Dot) and Diabetes self-management behaviors, HbA1c, Psychological Distress, and 2 more.

Primary intervention

Interactive Virtual Assistant Device (Smart Speaker Echo Dot)

Primary outcomes

  • Diabetes self-management behaviors
  • HbA1c
  • Psychological Distress

Evidence relationships

Intervention and outcome relationships this study adds to the evidence network.

5
Evidence pairs
5
Relationships
2
Evidence topics
contributes_evidence

Editorial context

Why this study matters

See why this paper is useful beyond its individual results.

Evidence network role

This section describes how the study fits into the current evidence network. It does not determine whether an intervention works on its own.

Moderate contributionModerate confidenceNetwork score: 68

2

Related topics

5

Evidence pairs

380

Related studies

High relevance in at least one topic

Why it is useful

  • Contributes to 5 evidence relationships
  • Includes primary outcome data
  • Linked to 2 direct semantic evidence topics

Topic contributions

Evidence topic

Contributes evidence

Evidence topic

Contributes evidence

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Primary evidence

Evidence topic

HbA1c Reduction

matched_outcome

Related evidence

Evidence topic

Treatment Adherence

Save evidence

Core evidence

Study findings

The primary outcomes reported in this study.

Diabetes self-management behaviors

Interactive Virtual Assistant Device (Smart Speaker Echo Dot) → Diabetes self-management behaviors

Interactive Virtual Assistant Device (Smart Speaker Echo Dot) → Diabetes self-management behaviors

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

HbA1c

Interactive Virtual Assistant Device (Smart Speaker Echo Dot) → HbA1c

Interactive Virtual Assistant Device (Smart Speaker Echo Dot) → HbA1c

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Psychological Distress

Interactive Virtual Assistant Device (Smart Speaker Echo Dot) → Psychological Distress

Interactive Virtual Assistant Device (Smart Speaker Echo Dot) → Psychological Distress

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Quality of life

Interactive Virtual Assistant Device (Smart Speaker Echo Dot) → Quality of life

Interactive Virtual Assistant Device (Smart Speaker Echo Dot) → Quality of life

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
100
Very Positive
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Stress score

Interactive Virtual Assistant Device (Smart Speaker Echo Dot) → Stress score

Interactive Virtual Assistant Device (Smart Speaker Echo Dot) → Stress score

Evidence Intelligence™
EvidenceScore™
Emerging
Score 59 · Based on 1 study
ImpactScore™
50
Neutral
ConsistencyScore™
unclear
Not enough independent studies
Supporting studies: Based on 1 study
Add to Evidence Tracker

Evidence Library

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evidence suggest

Evidence Suggest

  • Mental distress significantly decreased by 1.46 points in the intervention group.
  • Quality of life improved by 9.46 points with the use of the device.
  • Adherence to diabetes self-care increased by 3.40 points in the intervention group.
who this applies

Who this applies to

  • Older adults aged 65 and above with diabetes.
  • Individuals managing diabetes who may benefit from technology-assisted care.
keep in mind

Keep in Mind

  • Results may not apply to younger adults or those without diabetes.
  • The study's findings are based on self-reported measures, which may introduce bias.
  • Long-term effects of the intervention were not assessed.
between the lines

Between the Lines

  • The effectiveness of the intervention remains unclear for some outcomes.
  • The study may not be generalizable to younger populations.
  • Potential confounding factors were not fully addressed.

Evidence Library

Build your evidence library

Save research, organize studies, and quickly find important evidence again.

Connected Evidence

Explore related studies, evidence collections, and research questions.

Relationships organized using the Dediabetes Evidence Intelligence™ framework.

This study contributes to evidence on Interactive Virtual Assistant Device (Smart Speaker Echo Dot) and HbA1c, Interactive Virtual Assistant Device (Smart Speaker Echo Dot) and Diabetes Distress.

Related evidence relationships

Explore in Evidence Explorer

This study contributes to the evidence on the following intervention-outcome relationships.

Included in these evidence collections

Curated evidence collections and hubs this study is part of.

Questions answered by this study

Generated from the study's connected evidence using Evidence Intelligence™.

Does Interactive Virtual Assistant Device (Smart Speaker Echo Dot) improve diabetes self-management behaviors?

Emerging Evidence

Interactive Virtual Assistant Device (Smart Speaker Echo Dot) appears to improve Diabetes self-management behaviors.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Diabetes self-management behaviors

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026

Does Interactive Virtual Assistant Device (Smart Speaker Echo Dot) improve HbA1c?

Emerging Evidence

Interactive Virtual Assistant Device (Smart Speaker Echo Dot) appears to improve HbA1c.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    HbA1c

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026

Does Interactive Virtual Assistant Device (Smart Speaker Echo Dot) improve psychological distress?

Emerging Evidence

Interactive Virtual Assistant Device (Smart Speaker Echo Dot) appears to improve Psychological Distress.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Psychological Distress

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026

Does Interactive Virtual Assistant Device (Smart Speaker Echo Dot) improve quality of life?

Emerging Evidence

Interactive Virtual Assistant Device (Smart Speaker Echo Dot) appears to improve Quality of life.

ConsistencyScore™: Consistency cannot yet be determined from the available evidence.

Ranked evidence signals

  1. 1

    Quality of life

    EvidenceScore™ Emerging | EvidenceScore™ 59.0 | strong positive | ConsistencyScore™ Unclear | 1 study

Why this answer: This answer is based on a single supporting study.

Limitations

  • Only one supporting study is available.
  • Consistency cannot yet be determined.
  • Population details are unavailable.
1 supporting studyUpdated: Jul 2026
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