Psychometric properties of a Dutch version of the Obsessive Beliefs Questionnaire—Child Version (OBQ-CV)
Highlights
► The Dutch OBQ-CV showed good internal consistency and adequate retest reliability. ► Children with OCD reported more obsessive beliefs than non-clinical children. ► Obsessive beliefs were related to self-reported OCD symptoms, anxiety and depression. ► Obsessive beliefs were not related to clinician-rated OCD severity.
Section snippets
Participants
The community sample (COMM) consisted of 559 Dutch children and adolescents (8–18 years). Twelve participants were excluded due to missing or extreme data (see below). The final sample consisted of 547 participants with a mean age of 12.5 years (SD = 2.2), 271 boys (49.5%). Participants were recruited from three regular elementary schools and three regular secondary schools of different educational levels, in urban as well as rural areas.
The OCD sample (OCD) consisted of 67 children (8–18 years)
Data screening
Data from participants with more than 5 missing items on the OBQ-CV or more than 2 missing items within a single subscale were excluded from analyses. For other participants, missing values were replaced by the individual mean of all valid items of the (sub)scale. Eleven participants from the community sample were excluded from analyses due to missing data, and 57 items (0.2%) were replaced. Additionally, one outlier was excluded (OBQ-CV total score >3 SD above sample mean). In the OCD sample,
Discussion
In the present study, psychometric properties of the Dutch translation of the OBQ-CV were examined in a community sample (N = 547) of 8- to 18-year-old children and a clinical sample of children with OCD (N = 67; 8–18 years). The OBQ-CV showed good internal consistency and adequate to good retest reliability. Children with OCD reported more obsessive beliefs than non-clinical children. More specifically, the OCD group reported a wider variety and a higher frequency of obsessive beliefs. Furthermore,
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