Variables | 1985 | 1995 | 2005 | 2015 | ||||
Coefficient | S.E. | Coefficient | S.E. | Coefficient | S.E. | Coefficient | S.E. | |
Intercept | 757.13** | 52.19 | 658.80** | 146.37 | 793.80** | 2.68 | 1624.67** | 109.40 |
Age | 0.71 | 0.63 | 2.18 | 1.62 | 2.68 | 1.68 | −1.86* | 0.95 |
Gender | 12.17 | 24.02 | −16.51 | 49.98 | 85.66* | 43.11 | 73.00** | 22.70 |
Education | −10.95 | 7.30 | 8.18 | 18.37 | 32.70 | 19.81 | 39.83** | 12.05 |
Household size | 130.74** | 4.66 | 320.06** | 13.30 | 461.49** | 15.25 | 510.85** | 9.83 |
Number of elderly members | −21.35 | 14.19 | −51.80 | 30.38 | −60.49* | 29.14 | 59.85** | 15.43 |
Number of wage earners | −49.21** | 8.36 | −50.21* | 21.72 | 101.97** | 23.57 | 70.64* | 13.84 |
Income | 0.92** | 0.03 | 0.71** | 0.04 | 0.50** | 0.03 | 0.28** | 0.02 |
Owner occupied | −9.93 | 17.55 | 26.64 | 47.40 | 86.45 | 53.48 | 173.32** | 28.49 |
Without business use | −267.64** | 23.37 | −328.71** | 70.15 | −445.80** | 81.99 | −176.80** | 53.77 |
2 - 3 floors | 48.02** | 18.11 | 145.04** | 50.47 | 250.15** | 63.24 | 173.34** | 37.45 |
4 - 5 floors | 226.86** | 21.44 | 701.83** | 54.91 | 583.87** | 63.08 | 277.63** | 39.22 |
>5 floors | 463.33** | 45.21 | 709.66** | 71.66 | 607.04** | 68.48 | 266.01** | 41.56 |
Housing area | 1.87** | 0.16 | 0.62* | 0.29 | 1.69** | 0.27 | 0.60** | 0.16 |
Number of televisions | 152.82** | 22.44 | 334.90** | 33.24 | 290.92** | 26.98 | 181.81** | 14.34 |
Number of water heaters | 75.27** | 15.34 | 122.10** | 47.69 | 81.81 | 52.93 | 63.00* | 33.14 |
Number of air conditioners | 639.89** | 13.77 | 753.21** | 19.24 | 434.61** | 16.43 | 289.30** | 9.29 |
Number of washing machines | 156.40** | 17.78 | 404.03** | 63.17 | 424.38** | 77.62 | 205.69** | 49.64 |
Adjusted R2 | 0.45 | 0.39 | 0.39 | 0.49 |