Validity and reliability study for the Turkish version of global pain scale

Area of Science:

• Pain Management
• Clinical Assessment Tools
• Psychometrics

Background:

• Chronic pain affects a significant portion of the population, necessitating reliable assessment tools.
• The Global Pain Scale is a widely used instrument for pain evaluation.
• Validation in diverse populations is crucial for global applicability.

Purpose of the Study:

• To evaluate the validity and reliability of the Global Pain Scale.
• To adapt and validate the Global Pain Scale for the Turkish population.

Main Methods:

• A cross-sectional study conducted in Izmir, Turkey.
• Inclusion of adult patients (≥18 years) with chronic pain.
• Assessment of linguistic equivalence, content validity, and construct validity.

Main Results:

• The study included 222 patients (64% female), with a mean age of 54.22 years.
• Cronbach's alpha coefficient for the scale was 0.95, indicating high internal consistency.
• Item correlation coefficients ranged from 0.502 to 0.794, with no items removed.

Conclusions:

• The Global Pain Scale exhibits adequate validity and reliability indicators.
• The scale is suitable for confident use in Turkish patients with chronic pain.
• This validation supports the use of the Global Pain Scale in Turkish clinical settings.