Psychometric properties of the gratitude for food scale among Turkish adults: A validity and reliability study


Yücel Ü. Ö., YÜCEL M., Tayhan F., Helvacı G.

International Journal of Gastronomy and Food Science, cilt.40, 2025 (SCI-Expanded) identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 40
  • Basım Tarihi: 2025
  • Doi Numarası: 10.1016/j.ijgfs.2025.101162
  • Dergi Adı: International Journal of Gastronomy and Food Science
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Food Science & Technology Abstracts
  • Anahtar Kelimeler: Eating behavior, Gratitude for food, Mindfulness, Obesity
  • Akdeniz Üniversitesi Adresli: Evet

Özet

This study aimed to adapt the Gratitude for Food Scale (GFS) into Turkish and evaluate the psychometric properties of the GFS for adults (GFS-A), considering the need for culturally sensitive and reliable tools. The study was conducted web-based with 421 adults (41.8 % male, 58.2 % female). Translation-back translation method was applied in language validity and pilot test (n = 50) was performed to evaluate the clarity of the items. Then, construct (exploratory factor analysis (EFA; n = 208) and confirmatory factor analysis (CFA; n = 213)) validity and convergent validity were tested. In reliability analysis, Cronbach's α coefficient was calculated for internal consistency and test–retest method was applied. As a result of EFA, factor loadings of items in single factor structure were between 0.729 and 0.893 (variance explained = 68.88 %). According to CFA, fit indices (χ2/sd = 1.866, RMSEA = 0.045, TLI = 0.992, CFI = 0.996, GFI = 0.992, AGFI = 0.975) were acceptable. Average variance extracted (AVE = 0.689) and composite reliability (CR = 0.917) were found to be sufficient for convergent validity. Cronbach's α coefficient (0.856) was highly reliable. According to test-retest analysis, intraclass correlation coefficient was found to be 0.613 (p < 0.01). The Turkish version of GFS-A, with 5 items and one factor, is a valid and reliable tool to measure gratitude for food in Turkish adults.