Links between knowledge management and organisational sustainability: does the ISO 9001 certification have an effect?

Figures & data

Figure 1. Model of the study.

Table 1. Reliability and validity of the items.

Dimension	Item	Loading	Cronbach’s Alpha	CR	AVE
Knowledge Generation	Q1	0.739	0.930	0.929	0.652
	Q2	0.819
	Q3	0.790
	Q4	0.861
	Q5	0.813
	Q6	0.768
	Q7	0.855
Knowledge Storage	Q8	0.744	0.931	0.931	0.627
	Q9	0.838
	Q10	0.807
	Q11	0.771
	Q12	0.815
	Q13	0.755
	Q14	0.809
	Q15	0.793
Knowledge Sharing	Q16	0.785	0.896	0.899	0.537
	Q17	0.553
	Q18	0.811
	Q19	0.793
	Q20	0.861
	Q21	0.900
	Q22	0.600
	Q23	0.423
Knowledge Utilisation	Q24	0.717	0.938	0.938	0.656
	Q25	0.850
	Q26	0.782
	Q27	0.877
	Q28	0.815
	Q29	0.763
	Q30	0.831
	Q31	0.832
Organisational Sustainability	Q32	0.830	0.952	0.952	0.690
	Q33	0.856
	Q34	0.885
	Q35	0.848
	Q36	0.801
	Q37	0.805
	Q38	0.852
	Q39	0.835
	Q40	0.755

Note: Average variance extracted (AVE); composite reliability (CR).

Table 2. Correlations among the constructs.

	Knowledge Generation	Knowledge Sharing	Knowledge Storage	Knowledge Utilisation	Organisational Sustainability
Knowledge Generation	0.808^a
Knowledge Sharing	0.633	0.833
Knowledge Storage	0.647	0.758	0.792
Knowledge Utilisation	0.612	0.725	0.779	0.810
Organisational Sustainability	0.614	0.680	0.714	0.736	0.831

Note: a: diagonal numbers represent the square root of the average variance extracted (AVE).

Table 3. Results of the hypotheses’ tests (direct effects organisational sustainability).

Independent variables		Dependent variables	Hypothesis	Standardise path coefficient (t-value)	Significance of hypothesis
Knowledge Generation	→	Knowledge Storage	H1A	0.279 (2.877)	Yes***
Knowledge Generation	→	Knowledge Utilisation	H1B	0.053 (0.545)	No
Knowledge Sharing	→	Knowledge Storage	H2A	0.581 (6.597)	Yes***
Knowledge Sharing	→	Knowledge Utilisation	H2B	0.533 (5.432)	Yes***
Knowledge Storage	→	Knowledge Utilisation	H3A	0.341 (3.548)	Yes***
Knowledge Utilisation	→	Organisational Sustainability	H4	0.836 (29.391)	Yes***

Table 4. Hypotheses’ results (indirect effects organisational sustainability).

Independent		Mediator		Dependent	Hypothesis	Standardised Estimate (t-value)	Significance of hypothesis
Knowledge Generation	→	Knowledge Storage → Knowledge Utilisation	→	Organisational Sustainability	H1C	0.124 (2.023)	Yes*
Knowledge Sharing	→	Knowledge Utilisation	→	Organisational Sustainability	H2C	0.612 (5.142)	Yes***
Knowledge Storage	→	Knowledge Utilisation	→	Organisational Sustainability	H3B	0.285 (3.531)	Yes***

Adjusted R² for knowledge storage = 0.616Adjusted R² for knowledge utilisation = 0.733Adjusted R² for organisational sustainability = 0.698

Note: Significant at less than 1% (***), 1–5% (**), and 5–10% (*).

Table 5. Results of the independent samples t-test.

		N	Mean	Std. Deviation	p-value
Knowledge Generation*	ISO 9001 Certified firms	66	4.6515	1.13434	0.05
	ISO 9001 Non-Certified firms	90	4.2794	1.19521
Knowledge Storage	ISO 9001 Certified firms	66	4.9867	1.01079	0.39
	ISO 9001 Non-Certified firms	90	4.8347	1.16718
Knowledge Sharing	ISO 9001 Certified firms	66	4.7367	0.94083	0.23
	ISO 9001 Non-Certified firms	90	4.5361	1.13134
Knowledge Utilisation**	ISO 9001 Certified firms	66	5.0246	1.04863	0.01
	ISO 9001 Non-Certified firms	90	4.4917	1.35134
Organisational Sustainability**	ISO 9001 Certified firms	66	4.8300	0.92844	0.01
	ISO 9001 Non-Certified firms	90	4.1654	1.38560

Note: Significant at less than 1% (***), 1–5% (**), and 5–10% (*).