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Evaluating the Validity of an Automated Device for Asthma Monitoring for Adolescents: Correlational Design
- Source :
- Journal of Medical Internet Research
- Publication Year :
- 2015
-
Abstract
- Background: Symptom monitoring is a cornerstone of asthma self-management. Conventional methods of symptom monitoring have fallen short in producing objective data and eliciting patients’ consistent adherence, particularly in teen patients. We have recently developed an Automated Device for Asthma Monitoring (ADAM) using a consumer mobile device as a platform to facilitate continuous and objective symptom monitoring in adolescents in vivo. Objective: The objectives of the study were to evaluate the validity of the device using spirometer data, fractional exhaled nitric oxide (FeNO), existing measures of asthma symptoms/control and health care utilization data, and to examine the sensitivity and specificity of the device in discriminating asthma cases from nonasthma cases. Methods: A total of 84 teens (42 teens with a current asthma diagnosis; 42 without asthma) aged between 13 and 17 years participated in the study. All participants used ADAM for 7 consecutive days during which participants with asthma completed an asthma diary two times a day. ADAM recorded the frequency of coughing for 24 hours throughout the 7-day trial. Pearson correlation and multiple regression were used to examine the relationships between ADAM data and asthma control, quality of life, and health care utilization at the time of the 7-day trial and 3 months later. A receiver operating characteristic (ROC) curve analysis was conducted to examine sensitivity and specificity based on the area under the curve (AUC) as an indicator of the device’s capacity to discriminate between asthma versus nonasthma cases. Results: ADAM data (cough counts) were negatively associated with forced expiratory volume in first second of expiration (FEV 1 ) ( r =–.26, P =.05), forced vital capacity (FVC) ( r =–.31, P =.02), and overall asthma control ( r =–.41, P =.009) and positively associated with daily activity limitation ( r =.46, P =.01), nighttime ( r =.40, P =.02) and daytime symptoms ( r =.38, P =.02), and health care utilization ( r =.61, P
- Subjects :
- Male
Vital capacity
Pediatrics
medicine.medical_specialty
validity
Adolescent
Monitoring, Ambulatory
Health Informatics
law.invention
03 medical and health sciences
FEV1/FVC ratio
0302 clinical medicine
Quality of life
law
030225 pediatrics
Forced Expiratory Volume
Medicine
Humans
Expiration
device
Asthma
Original Paper
Receiver operating characteristic
business.industry
Reproducibility of Results
asthma
medicine.disease
3. Good health
respiratory tract diseases
ambulatory monitoring
030228 respiratory system
Breath Tests
Cough
Exhaled nitric oxide
Quality of Life
Female
business
Spirometer
Subjects
Details
- ISSN :
- 14388871
- Volume :
- 17
- Issue :
- 10
- Database :
- OpenAIRE
- Journal :
- Journal of medical Internet research
- Accession number :
- edsair.doi.dedup.....b290cab9c4d345863a30c711aab3f76f