| 步骤 | 标准化回归方程 | 回归系数 | 标准误 | t值 | p值 |
| 第1步 | Y = −0.303X | c = −0.303 | 0.006 | −5.379 | <0.01 |
| 第2步 | M1 = 0.344X | a = 0.344 | 0.025 | 6.203 | <0.01 |
| M2 = 0.181X | a = 0.181 | 0.012 | 3.109 | <0.01 | |
| 第3步 | Y = −0.136X + −0.485M1 | c′ = −0.136 | 0.005 | −2.575 | <0.05 |
| b = −0.485 | 0.011 | −9.912 | <0.01 | ||
| Y = −0.253X + −0.275M2 | c′ = −0.253 | 0.005 | −4.605 | <0.01 | |
| b = −0.275 | 0.026 | −4.994 | <0.01 |