Effects of an Abdominal Breathing Monitoring and Guidance App on Stress, Sleep, and Emotional Status, and Evaluation of User Experience

Clinical Effectiveness and User Experience Evaluation of Abdominal Breathing Monitoring and Guidance Software: A Single-center, Before-and-after Clinical Study

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

CRIS

Registry ID

KCT0012352

Enrollment

200

Registered

2026-07-29

Start date

2026-08-03

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Behavioral, Others(Smartphone application-based abdominal breathing monitoring and guidance) : The intervention is 'Baepuri' (developer: DYPHI Inc., version 1.0.3, Android 7.0+), a smartphone applicat

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthy male and female adults aged 19 to 80 years Healthy individuals (defined as those not currently receiving continuous treatment or medication for a chronic condition) Those who provide voluntary written informed consent after receiving a clear explanation of the purpose and characteristics of this clinical study

Exclusion criteria

Exclusion criteria: Those who have participated in another clinical trial involving an intervention within the past 4 weeks Those currently under treatment for unstable (uncontrolled) schizophrenia, bipolar disorder, or other psychiatric disorders diagnosed within the past 6 months Those diagnosed with and currently under treatment for a chronic respiratory disease (bronchial asthma, chronic obstructive pulmonary disease [COPD], bronchiectasis, sequelae of pulmonary tuberculosis, etc.) Those diagnosed with and under treatment for a serious chronic or terminal illness (malignant tumor, tuberculosis, chronic liver disease, interstitial pneumonia, chronic kidney disease, chronic heart disease, other rare metabolic diseases, etc.) Those judged unlikely to comply with protocol-required visits, treatments, or questionnaire completion Any other case deemed inappropriate for participation by the study personnel

Design outcomes

Primary

Measure	Time frame
Change in Perceived Stress Scale (PSS) score	—

Secondary

Measure	Time frame
Abdominal breathing performance data (respiration rate, breathing cycle, waveform stability index, waveform amplitude);Change in Pittsburgh Sleep Quality Index (PSQI) score;Change in Beck Depression Inventory (BDI) score;Change in State-Trait Anxiety Inventory (STAI) score;Change in State-Trait Anger Expression Inventory (STAXI) score;Change in Hwabyung Scale score;Change in Questionnaire of Cold-Heat Pattern Identification (QCHPI) score;Change in pulse diagnosis device (Canopy9) measurements;Change in Heart Rate Variability (HRV) indices;Application usage adherence (days used, total usage time, total sessions);Application user experience survey (overall satisfaction, usability, perceived usefulness);Occurrence of adverse events and safety	—

Measure

Time frame

Abdominal breathing performance data (respiration rate, breathing cycle, waveform stability index, waveform amplitude);Change in Pittsburgh Sleep Quality Index (PSQI) score;Change in Beck Depression Inventory (BDI) score;Change in State-Trait Anxiety Inventory (STAI) score;Change in State-Trait Anger Expression Inventory (STAXI) score;Change in Hwabyung Scale score;Change in Questionnaire of Cold-Heat Pattern Identification (QCHPI) score;Change in pulse diagnosis device (Canopy9) measurements;Change in Heart Rate Variability (HRV) indices;Application usage adherence (days used, total usage time, total sessions);Application user experience survey (overall satisfaction, usability, perceived usefulness);Occurrence of adverse events and safety

—

Countries

Korea, Republic of

Contacts

Public ContactChan-Young Kwon

Dong-eui University

beanalogue@naver.com+82-51-850-8808

Outcome results