Skip to main content
. 2023 Oct 10;9(10):e20819. doi: 10.1016/j.heliyon.2023.e20819

Table 6.

Estimates of the ESP model for yy2.

Variable Cooperative membership (CM)
Soil testing formula fertilizer practice(yy2 = 1)
Soil testing formula fertilizer practice(yy2 = 0)
Coef. Std. Err Coef. Std. Err Coef. Std. Err
Gender (se) 0.491*** 0.16 −0.184 0.265 −0.243 0.193
Age (ag) 0.0477 0.0425 0.0213 0.0671 0.0333 0.0609
Square of age (ag2) −0.000494 0.000403 −0.000237 0.000665 −0.000445 0.000591
Education (edu) 0.320*** 0.0666 0.044 0.11 0.210* 0.118
Proportion of household farmers (fa) 0.142 0.228 0.564* 0.336 0.368 0.341
Operating cultivated land area (mu) (lad) 0.00200*** 0.000702 −0.0000284 0.000282 −0.00115 0.00125
Income (inc) 0.101 0.0802 −0.0372 0.0992 0.162 0.122
Difficulty of bank loan (loa) 0.106 0.0767 −0.153 0.115 −0.0726 0.099
social relationship (sr) −0.0799 0.173 0.595*** 0.204 0.311 0.233
Cognition of green product benefits (cog) 0.230* 0.12 0.131 0.179 −0.0557 0.171
Share of villagers in co-operatives (RPC) 0.945*** 0.135
Constant −3.737*** 1.14 −0.398 2.041 −2.388 1.644
LR test of indep. eqns. (rho1 = rho0 = 0):chi2(2) = 6.35 Prob > chi2 = 0.0418
Wald chi2(11) = 181.42
Log likelihood = −586.47067

Notes: ***, **, and * represent significance at the 1 %, 5 %, and 10 % levels, respectively.