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. 2023 Oct 10;9(10):e20819. doi: 10.1016/j.heliyon.2023.e20819

Table 7.

Estimates of the ESP model for yy3.

Variable Cooperative membership (CM)
chemical fertilizers reduce (yy3 = 1)
chemical fertilizers reduce (yy3 = 0)
Coef. Std. Err Coef. Std. Err Coef. Std. Err
Gender (se) 0.456*** 0.159 −0.146 0.325 −0.0181 0.178
Age (ag) 0.0498 0.0426 0.0798 0.069 0.157*** 0.0557
Square of age(ag2) −0.000511 0.000404 −0.000786 0.000668 −0.00149*** 0.000511
Education (edu) 0.336*** 0.0668 0.341*** 0.111 −0.161 0.1
Proportion of household farmers (fa) 0.0982 0.228 0.141 0.351 −0.348 0.276
Operating cultivated land area (mu) (lad) 0.00224*** 0.000724 0.000147 0.000417 −0.000623 0.00305
Income (inc) 0.0658 0.0814 0.0973 0.119 0.426*** 0.12
Difficulty of bank loan (loa) 0.103 0.0766 0.155 0.127 0.637*** 0.106
social relationship (sr) −0.0525 0.17 0.594** 0.276 −0.0133 0.238
Cognition of green product benefits (cog) 0.234* 0.12 −0.312 0.216 0.00176 0.151
Share of villagers in co-operatives (RPC) 0.938*** 0.136
Constant −3.726*** 1.146 −3.19 2.024 −5.802*** 1.642
LR test of indep. eqns. (rho1 = rho0 = 0):chi2(2) = 6.00 Prob > chi2 = 0.0497
Wald chi2(11) = 179.78
Log likelihood = −601.50566

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