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Purpose <p>This study aimed to translate, culturally adapt, and validate the Vietnamese version of the Child Perceptions Questionnaire 8–10 (CPQ<sub>8–10VN</sub>) for assessing oral health-related quality of life (OHRQoL) in Vietnamese children aged 8–10&#xa0;years.</p> Methods <p>Following forward–backward translation with cognitive pre-testing (<i>n</i> = 15), in this cross-sectional validation study conducted in an elementary school in Hue City, 234 children aged 8–10&#xa0;years (mean age 9.1 ± 0.8&#xa0;years; 50% boys) completed the CPQ<sub>8–10VN</sub> and underwent oral examinations for caries and oral hygiene. A subsample of 37 9-year-olds repeated the questionnaire after 2&#xa0;weeks. Internal consistency (Cronbach’s <i>α</i>), test–retest reliability (ICC), construct validity (Spearman correlations), discriminant validity (<i>t</i> tests), and factor structure (exploratory factor analysis) were evaluated.</p> Results <p>The CPQ<sub>8–10VN</sub> showed high internal consistency (Cronbach’s alpha ranged 0.60–0.87) and strong test–retest reliability (ICC ≥ 0.82). The total CPQ<sub>8–10VN</sub> score showed significant correlations with global oral health and well-being ratings (<i>r</i> ≥ 0.3, <i>p</i> &lt; 0.05), while the subscale correlations ranged from 0.11 to 0.35. Discriminant validity was confirmed for caries (DMFT &gt; 0) and untreated caries lesions (DT &gt; 0), with significantly higher scores than caries-free peers, but not for calculus (CI-S &gt; 0). Exploratory factor analysis (KMO = 0.84, eight factors) explained 63% of the variance but identified four items (sores, cold sensitivity, missed school, and homework difficulty) with poor loadings (≤0.50).</p> Conclusions <p>The CPQ<sub>8–10VN</sub> demonstrates strong reliability and validity for measuring children’s OHRQoL in Vietnam, though the eight-factor structure suggests cultural complexity beyond original domains.</p>

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Translation, cultural adaptation, and validation of the Vietnamese Child Perceptions Questionnaire (CPQ8–10VN) for children aged 8–10 years

  • 期刊论文

  • 发表日期：

    2026年5月15日

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  • V. T. N. Nguyen,
  • L.-T. T. Tran,
  • T. V. Tran,
  • H. M. Do,
  • T.-N. T. Bui,
  • Q. N. Nguyen

摘要

Purpose

This study aimed to translate, culturally adapt, and validate the Vietnamese version of the Child Perceptions Questionnaire 8–10 (CPQ8–10VN) for assessing oral health-related quality of life (OHRQoL) in Vietnamese children aged 8–10 years.

Methods

Following forward–backward translation with cognitive pre-testing (n = 15), in this cross-sectional validation study conducted in an elementary school in Hue City, 234 children aged 8–10 years (mean age 9.1 ± 0.8 years; 50% boys) completed the CPQ8–10VN and underwent oral examinations for caries and oral hygiene. A subsample of 37 9-year-olds repeated the questionnaire after 2 weeks. Internal consistency (Cronbach’s α), test–retest reliability (ICC), construct validity (Spearman correlations), discriminant validity (t tests), and factor structure (exploratory factor analysis) were evaluated.

Results

The CPQ8–10VN showed high internal consistency (Cronbach’s alpha ranged 0.60–0.87) and strong test–retest reliability (ICC ≥ 0.82). The total CPQ8–10VN score showed significant correlations with global oral health and well-being ratings (r ≥ 0.3, p < 0.05), while the subscale correlations ranged from 0.11 to 0.35. Discriminant validity was confirmed for caries (DMFT > 0) and untreated caries lesions (DT > 0), with significantly higher scores than caries-free peers, but not for calculus (CI-S > 0). Exploratory factor analysis (KMO = 0.84, eight factors) explained 63% of the variance but identified four items (sores, cold sensitivity, missed school, and homework difficulty) with poor loadings (≤0.50).

Conclusions

The CPQ8–10VN demonstrates strong reliability and validity for measuring children’s OHRQoL in Vietnam, though the eight-factor structure suggests cultural complexity beyond original domains.