| Coef. | Std. Err. | z | p > |z| |
Number of family labor force (x1) | 0.1454768 | 0.13091 | 1.11 | 0.266 |
Educational level of head of household (x2) | 0.1643735 | 0.1917291 | 0.86 | 0.391 |
The distance from the family to the nearest agricultural trade market (x3) | 0.012789* | 0.0073172 | 1.75 | 0.080 |
Existing tea planting scale (x4) | 0.0008861 | 0.0011469 | 0.77 | 0.440 |
Planting years (x5) | −0.0499294** | 0.0233296 | −2.14 | 0.032 |
Number of households trained in agricultural technology (x6) | 0.2476352*** | 0.0704413 | 3.52 | 0.000 |