Table 6.

Structural model results (hypotheses testing)

	Hypothesis	B-values	S.D	T-values	P-values	Supported	R2	Q2	f2
H1	MBBP −  > ITABT	0.238	0.056	4.251	0.000	Yes	0.462	0.231	0.081
H2	MBBP*ATSM −  > ITABT	0.026	0.045	0.583	0.281	No		0.158	0.026
H3	EPB −  > ITABT	− 0.010	0.046	0.212	0.416	No			0.101
H4	EPB*ATSM −  > ITABT	0.371	0.076	4.861	0.000	Yes			0.013
H5	OSWBP −  > ITABT	0.091	0.055	1.650	0.0510	Yes			0.014
H6	OSWBP*ATSM −  > ITABT	− 0.087	0.051	1.729	0.043	Yes			0.011
H7	FSFBP −  > ITABT	0.107	0.050	2.148	0.017	Yes			0.012
H8	FSFBP*ATSM −  > ITABT	0.176	0.075	2.342	0.011	Yes			0.014
H9	ATSM −  > ITABT	0.144	0.071	2.016	0.023	Yes	0.477		0.009

N = 79; MBBP, maintenance barriers of biogas plants; FSFBP, financial support for biogas plants; EPB, economic and policy barriers; OSWBP, owner satisfaction with biogas plant; ATSM, awareness through social media; ITABT, intention to adopt biogas technology

(*), the moderating relationship indicated by the asterisk among the variables