| Variables and Definitions | Mean | Std. Dev. | Min | Max |
| Income level | 1.964 | 0.496 | 1 | 4 |
| Internet access rate (Internet) | 76.606 | 8.561 | 4.71 | 99.65 |
| Combined of the market shares of the four brands (CMshare) | 1.214 | 0.588 | 0.05 | 10.15 |
| Brand market share in the country (BMshare) | 0.9 | 1.401 | 0 | 34.29 |
| Smartphone processing power (SMpp) | 19.296 | 10.665 | 9 | 67 |
| Product price | 172.185 | 90.106 | 115.71 | 611.4 |
| Logistics Costs | 4.435 | 10.708 | 0 | 91.85 |
| Categories | Huawei | Xiaomi | Vivo | Oppo |
| Cat1 | 3GB32GB | - | - | - |
| Cat2 | 4GB32GB | - | - | - |
| Cat3 | 4GB64GB | - | - | - |
| Cat4 | 4GB128GB | - | - | - |
| Cat5 | 6GB64GB | - | - | - |
| Cat6 | 6GB128GB | - | - | - |
| Cat7 | - | 2GB16GB | - | - |
| Cat8 | - | 3GB32GB | - | - |
| Cat9 | - | 4GB64GB | - | - |
| Cat10 | - | 6GB64GB | - | - |
| Cat11 | - | - | 2GB16GB | - |
| Cat12 | - | - | 2GB32GB | - |
| Cat13 | - | - | 3GB32GB | - |
| Cat14 | - | - | 4GB64GB | - |
| Cat15 | - | - | - | 3GB32GB |
| Cat16 | - | - | - | 4GB64GB |
| Cat17 | - | - | - | 6GB64GB |
| Cat18 | - | - | - | 3GB32GB |