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. 2023 Jul 7;9(7):e18027. doi: 10.1016/j.heliyon.2023.e18027

Table 4.

Random and fixed effect models results.

Individual Fixed Effects Time Fixed Effects Two-way Fixed Effects Random Effect
Happiness 1.08 3.42*** 1.12 3.41***
(Intercept) 50.46***
R^2 0.20 0.67 0.20 0.65
Adj. R^2 0.17 0.53 0.17 0.55
Num obs. 29,939 29,939 29,939 29,939

***p<0.001; **p<0.01; *p<0.05