变量 | (1) | (2) | 边际效应 |
保质期 | 0.551*** | 0.581*** | 5.312%*** |
−0.157 | −0.169 | −0.014 | |
信息关注 | 2.871*** | 3.024*** | 27.666%*** |
−0.306 | −0.352 | −0.021 | |
物价波动 | 1.724*** | 1.781*** | 16.296% *** |
−0.3 | −0.337 | −0.026 | |
采购物资间隔 | 0.563*** | 0.630*** | 5.764%*** |
−0.157 | −0.176 | −0.016 | |
性别 |
| −0.057 | −0.53% |
| −0.318 | −0.029 | |
年龄 |
| 0.852*** | 7.796%*** |
| −0.24 | −0.022 | |
婚姻状况 |
| 0.496 | 4.54% |
| −0.39 | −0.036 | |
教育程度 |
| 0.311** | 2.842%** |
| −0.143 | −0.013 | |
职业 |
| −0.286** | −2.614%* |
| −0.132 | −0.012 | |
家庭总人口 |
| −0.023 | −0.21% |
| −0.108 | −0.01 | |
年收入 |
| −0.638*** | −5.83% |
| −0.202 | −0.018 | |
家庭年收入 |
| 0.266 | 2.43% |
| −0.217 | −0.02 | |
常数项 | −3.70*** | −6.135*** |
|
−0.55 | −1.142 |
| |
卡方 | 105.94 | 103.38 |
|
(p = 0.000) | (p = 0.000) |
| |
R2 | 0.374 | 0.4486 |
|