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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05175287
Other study ID # 2021-MED-002
Secondary ID
Status Completed
Phase
First received
Last updated
Start date September 1, 2019
Est. completion date February 15, 2020

Study information

Verified date December 2021
Source Respiralab
Contact n/a
Is FDA regulated No
Health authority
Study type Observational [Patient Registry]

Clinical Trial Summary

Our study aims to determine the frequency of individuals at high risk of obstructive sleep apnea, and excessive daytime sleepiness, as well as any potential association between these conditions and traffic accidents among a sample of Ecuadorian bus drivers.


Description:

We conducted a cross-sectional study from September 2019 to January 2020 among 340 male professional bus drivers in the city of Guayaquil, Ecuador. To be included in the study, participants were required to be male, have an unexpired professional driver's license, as well as being currently enrolled at any local transformational company. Individuals who did not met the inclusion criteria, or who declined voluntary participation were excluded from the study. We screened 340 male professional bus drivers whose mean age was 44.3. We analyzed demographic and clinical variables including age, educational level, associated comorbidities (hypertension and diabetes), years as a professional driver, and number of accidents and near-accidents while working. Accidents were defined as a collision involving the vehicle in which the participant was the driver and another vehicle or stationary obstruction. Near-accidents were defined as unplanned events involving the driver that did not result in injury but had the potential to do so. We used STOP questionnaire to assess four questions related to snoring, tiredness during daytime, observed apnea, and high blood pressure (STOP), and the Bang aspect for screening BMI ≥ 35, age ≥ 50, neck circumference > 40 cm and male gender. Also, we used Epworth Sleepiness Scale (ESS) to assess excessive daytime sleepiness (EDS).


Recruitment information / eligibility

Status Completed
Enrollment 340
Est. completion date February 15, 2020
Est. primary completion date January 31, 2020
Accepts healthy volunteers No
Gender Male
Age group N/A and older
Eligibility Inclusion Criteria: - Male - Have an unexpired professional driver's license - Being currently enrolled at any local transformational company Exclusion Criteria: - Not meeting inclusion criteria - Declined voluntary participation

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
Ecuador Respiralab Research Group Guayaquil Guayas

Sponsors (2)

Lead Sponsor Collaborator
Respiralab Universidad de Especialidades Espíritu Santo

Country where clinical trial is conducted

Ecuador, 

Outcome

Type Measure Description Time frame Safety issue
Primary Obstructive sleep apnea STOP-Bang questionnaire: assesses four questions related to snoring, tiredness during daytime, observed apnea, and high blood pressure (STOP), while the Bang aspect screens for a BMI = 35, age = 50, neck circumference > 40 cm and male gender. 4 months
Secondary Excessive daytime sleepiness (EDS) Epworth Sleepiness Scale (ESS): self-administered questionnaire, with 8 questions in which individuals are asked to rate the likelihood of falling asleep while engaged in different activities using a 4-point scale. 4 months
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