COPD Prevalence and Risk Factors Among Saudi Adults Over 18 in Taif

NCT07886346 | Completed

• 1 other identifier: HAPO-02-T-105
• Study Type: observational
• Target: 777
• Locations: 1 country
• Sites: 1

Brief Summary

This cross-sectional study assesses the prevalence of previously diagnosed chronic obstructive pulmonary disease (COPD) and associated risk factors among Saudi adults aged 18 years and older living in Taif City, Saudi Arabia. Surveys and available medical records provide information on respiratory symptoms, smoking, environmental and occupational exposures, and medical history. The COPD Assessment Test (CAT) measures symptom burden. The study examines factors associated with COPD and respiratory symptoms to support local prevention and early detection efforts.

Conditions

Chronic Obstructive Pulmonary Disease (COPD)

Keywords

Chronic Obstructive Pulmonary Disease; COPD; Prevalence; Risk factors; Tobacco smoking; Secondhand smoke exposure; Indoor air pollution; Occupational exposure; Respiratory symptoms; Saudi Arabia; Taif

Outcome Measures

Primary Outcomes (1)

• Prevalence of Previously Diagnosed Chronic Obstructive Pulmonary Disease

  Percentage of participants reporting a previous clinical diagnosis of chronic obstructive pulmonary disease, based on questionnaire responses and available medical records. Prevalence is calculated by dividing the number of participants with a previous diagnosis by the total number assessed and multiplying by 100, with a 95% confidence interval. No spirometric confirmation is performed.

  single cross-sectional assessment

Secondary Outcomes (1)

• Associations Between Potential Risk Factors and Previously Diagnosed COPD

  single cross-sectional assessment

Eligibility Criteria

• Age: 18 Years - 110 Years
• Sex: all
• Age Groups: Adult (18-64), Older Adult (65+)
• Sampling Method: Probability Sample

Study Population

Saudi adults aged 18 years and older residing in Taif City, Saudi Arabia, recruited from community settings and major hospitals within the city. The population includes individuals with and without a previous diagnosis of chronic obstructive pulmonary disease.

You may qualify if:

• Saudi nationals. Aged 18 years or older. Currently residing in Taif City, Saudi Arabia. Provide informed consent to participate.

You may not qualify if:

• Non-Saudi individuals. Individuals younger than 18 years. Individuals not currently residing in Taif City. Individuals who do not provide informed consent.

Sponsors & Collaborators

• Taif University: lead

Study Sites (1)

Taif university

Ta'if, Saudi Arabia

Location

MeSH Terms

Conditions

Pulmonary Disease, Chronic Obstructive; Tobacco Smoking; Signs and Symptoms, Respiratory

Condition Hierarchy (Ancestors)

Lung Diseases, Obstructive; Lung Diseases; Respiratory Tract Diseases; Chronic Disease; Disease Attributes; Pathologic Processes; Pathological Conditions, Signs and Symptoms; Smoking; Behavior; Tobacco Use; Signs and Symptoms

Study Design

• Study Type: observational
• Observational Model: ECOLOGIC OR COMMUNITY
• Time Perspective: CROSS SECTIONAL
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Medical intern

Study Record Dates

• First Submitted: October 14, 2026
• First Posted: October 21, 2026
• Study Start: October 24, 2024
• Primary Completion: September 20, 2026
• Study Completion: September 27, 2026
• Last Updated: October 21, 2026

Record last verified: 2026-10

Data Sharing

• IPD Sharing: Will share

Locations

SA (1)