The mediating effect of information sharing on pharmaceutical supply chain integration and operational performance in Ethiopia: an analytical cross-sectional study

Table 6 Stepwise regression analysis based on the Baron and Kenny approach (N = 288)

Steps	Tested path	UStd.c (B)	SE	Std.c (β)	95% CI	Sig
1	Path B: total effect of C int. on OP	0.315	0.043	0.401	[0.230, 0.400]	< 0.001*
1	Path D: total effect of II on OP	0.149	0.049	0.166	[0.052, 0.246]	0.003*
2	Path A: effect of C Int. on IS	0.559	0.059	0.502	[0.442, 0.676]	< 0.001*
2	Path C: effect of II on IS	0.070	0.068	0.055	[− 0.064, 0.203]	0.303
3	Effect of IS (Path F) on OP	0.191	0.042	0.270	[0.109, 0.273]	< 0.001*
3	Effect of IS (Path G) on OP	0.191	0.042	0.270	[0.109, 0.273]	< 0.001*
4	Direct effect of C int. on OP	0.209	0.048	0.265	[0.115, 0.303]	< 0.001*
4	Direct effect of II on OP	0.136	0.048	0.151	[0.042, 0.230]	0.005*
5	Indirect effect of C-int. on OP (path A*F	0.107	0.028	0.136	[0.057, 0.167]	< 0.001*
5	Indirect effect of II on OP (path C* G)	0.013	0.015	0.015	[-0.014, 0.045]	0.315

Cint.-customer integration, II-internal integration, OP-operational performance, IS-information sharing, SE-standard error, UStd.c- unstandardized coefficients, Std. c- standardized coefficients,*significant at p < 0.05

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