Table C1.

Standardised differences between both groups before and after propensity score matching (in %).

	Original	Matched
Herd size	69.00	−0.94
Herd size squared	48.71	−2.07
Specialisation	27.74	−2.55
Soil	10.48	−6.46
Education	42.32	−6.18
Age	−17.24	10.01
Education * Age	35.44	0.44
Household	27.96	−2.75
Total reduction in bias	34.86	3.93
Number of observations	296	290
Treated observations	145	145
Control observations	151	145