Table 4.
Grouping test results I.
|
(9) Age ≤ 40 |
(10) 40 < age ≤ 60 |
(11) Age > 60 |
|
|---|---|---|---|
| Education | 0.1608 (1.84)* | 0.0190 (0.26) | −0.0138 (−0.53) |
| Happiness | 0.2265 (1.75)* | 0.2680 (5.37)*** | 0.3086 (3.21)*** |
| Age | −0.0901 (−1.46) | −0.0163 (−0.25) | −0.1451 (−2.43)** |
| Income | 0.0066 (1.06) | 0.0557 (6.58)*** | 0.0854 (4.60)*** |
| Sex | 0.0966 (1.78)* | 0.0962 (2.43)** | 0.0739 (1.56) |
| Marriage | 0.1949 (2.57)** | 0.3022 (4.55)*** | 0.0680 (1.26) |
| Work | 0.2748 (3.91)*** | 0.1878 (4.27)*** | 0.1864 (3.38)*** |
| Log likelihood | −1721.3885 | −3622.9714 | −2700.8365 |
| P value (LR) | 0.0051 | 0.0000 | 0.0000 |
| Standard deviation | 1.9525 | 1.8988 | 1.5421 |
| Skewness | −0.3272 | 0.4643 | 0.4422 |
| Kurtosis | 1.7571 | 2.1186 | 3.1578 |
*, **, and ***
are significant at the 10, 5, and 1% levels, respectively. T-statistics is reported in brackets. The table reports LR test of ordinary OP model only, and P-value results from LR test.