Fig. 2

Multinomial logistic regressions showing the association of demographics, optimism, gratitude, and social support with Classes 2–3, compared with Class 1 and Class 2. The black filled circle represents the odds ratio (OR) and the horizontal line represents the 95% confidence interval (CI), ^***p < 0.001 ^**p < 0.01 ^*p < 0.05. Class1 = Low QoL with poor psychological health, Class2 = Moderate QoL, Class3 = High QoL.