About this trial
This study aims to culturally adapt the Pictorial Pain Interference Questionnaire into Turkish and evaluate its psychometric properties in individuals with chronic pain. The study will assess the validity and reliability of the Turkish version for evaluating the functional impact of chronic pain on daily life activities. Reliability will be examined through internal consistency and test-retest reliability, while validity will be assessed by examining the relationships between the questionnaire and established pain-related assessment tools. The study will determine whether the Turkish version provides a valid, reliable, and practical instrument for assessing functional interference associated with chronic pain in Turkish-speaking individuals.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Having chronic pain lasting for at least 3 months.
Willing to participate in the study and providing informed consent.
Having sufficient cognitive ability to understand the questions.
Disqualifiers
Severe cognitive impairment (e.g., dementia) or conditions that interfere with communication.
Inability to cooperate due to a psychiatric disorder.
Neurological or serious systemic diseases that may affect the assessment.
Incomplete or incorrectly completed questionnaires.
Trial population
Adults aged 18 years and older with chronic pain lasting for at least 3 months
Trial design
Other
Prospective
Treatments tested in this trial
No Interventions
Other interventionThis is an observational psychometric validation study. Participants are not assigned to receive any therapeutic intervention; they complete the questionnaires and assessments specified in the study protocol.
Treatment groups
Trial outcomes
Primary outcomes
Internal Consistency of the Turkish Pictorial Pain Interference Questionnaire
Internal consistency will be assessed using Cronbach's alpha coefficient.
Test-Retest Reliability of the Turkish Pictorial Pain Interference Questionnaire
Test-retest reliability will be assessed using the Intraclass Correlation Coefficient (ICC) based on assessments performed 7 days apart.
Construct Validity of the Turkish Pictorial Pain Interference Questionnaire
Construct validity will be evaluated by examining the correlations between the questionnaire scores and scores from the Brief Pain Inventory.
Construct Validity of the Turkish Pictorial Pain Interference Questionnaire
Construct validity will be evaluated by examining the correlations between the questionnaire scores and scores from the Pain Disability Index.
Secondary outcomes
Discriminant Validity of the Turkish Pictorial Pain Interference Questionnaire
Discriminant validity will be assessed by examining correlations with concepts expected to have weak associations with pain, including positive affect.
Locations
Sponsors and contacts
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