Development and validation testing of a weight management nutrition knowledge questionnaire for Chinese adults (C-WMNKQ)
Authors' conclusion
C-WMNKQ has good reliability and validity and can be used as a valid tool to assess the nutrition knowledge of Chinese adults related to weight management.
Study context
- Population
- Chinese adults
- Outcome
- Reliability and validity of the C-WMNKQ
Methodological detailsexpert consultation, known-groups comparison, test-retest
- Expert consultation
- Known-groups comparison
- Test-retest
Performance
As reported in the abstract
- Final C-WMNKQ: items in 5 dimensions
- 39
- Cronbach's alpha coefficient
- 0.808
- ω coefficient
- 0.81
- Guttman's coefficient
- 0.843
- Spearman's correlation coefficient
- 0.843
- Overall ICC
- 0.908 (95% CI 0.870-0.935)
- Known-groups: nutrition professionals scored higher than financial field (p < 0.001)
- 26.3%
- Correlation of total C-WMNKQ with total C-GNKQ score (p < 0.001)
- 0.641
Further findings
Convergent validity
- Nutrition knowledge higher in women than men
- Partial nutrition knowledge score significantly higher at age 35-54 than 18-34 years
- Nutrition knowledge higher with higher education
- Partial nutrition knowledge scores significantly higher with per capita monthly household income >8000RMB than <3000RMB and 3000-5000RMB
Original publication
Development and validation testing of a weight management nutrition knowledge questionnaire for Chinese adults (C-WMNKQ). Int J Obes (Lond). Published 26 March 2025. doi:10.
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