Influencing Factors of Consumer Brand Trust towards Sustainable Brands among Generation Z and Millennials in Thailand
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Abstract
This research aimed to examine factors influencing consumer trust in sustainable brands among young consumers (Gen Z and Millennials). Using a mixed-methods approach, the study surveyed 400 respondents and conducted 20 in-depth interviews. The research instruments were validated with content validity (IOC = 0.82-0.96) and reliability (Cronbach's Alpha = 0.895). The results revealed five key factors affecting trust: (1) Communication transparency (β = 0.342, p < 0.001), (2) Value congruence (β = 0.298, p < 0.001), (3) Product quality (β = 0.256, p < 0.001), (4) Social initiatives (β = 0.213, p < 0.01), and (5) Brand image (β = 0.187, p < 0.01), collectively explaining 68.4% of trust variance.
Generational comparison showed that Gen Z prioritizes communication transparency significantly more than Millennials (t = 3.21, p < 0.01), while Millennials emphasize product quality more than Gen Z (t = -2.87, p < 0.01). Qualitative findings supported quantitative results, with 85% of interviewees mentioning the importance of transparency and third-party certifications. The findings indicate that young consumers prioritize transparency and value alignment when evaluating sustainable brands, providing crucial insights for brands to develop targeted communication and marketing strategies for each demographic group.
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