| 因素 | 独生子女 | 非独生子女 | F | p | 
| N = 257 | N = 289 | |||
| 生活依赖 | 4.04 ± 0.56 | 4.03 ± 0.49 | 0.022 | 0.882 | 
| 戒断症状 | 3.06 ± 0.73 | 2.93 ± 0.64 | 5.083 | 0.025 | 
| 情感抚慰 | 3.32 ± 0.59 | 3.32 ± 0.57 | 0.004 | 0.947 | 
| 人际依赖 | 3.12 ± 0.93 | 3.07 ± 0.88 | 0.297 | 0.586 | 
| 工效下降 | 3.56 ± 0.62 | 3.63 ± 0.52 | 1.555 | 0.213 | 
| 强迫行为 | 3.23 ± 0.92 | 3.31 ± 0.85 | 1.243 | 0.265 | 
| 总分 | 3.53 ± 0.48 | 3.53 ± 0.41 | 0.002 | 0.969 |