Table 5.

General characteristics of clusters based on co-occurrence of all keywords

Cluster	Most influential keywords*	# Items	ANC	Occurrences	Assigned SDG
1 (blue)	Middle-income countries, access, social determinants, community, services, health policy, diseases	23	0.84 ± 0.43	10.04 ± 6.44	1, 3, 4, 5, 10
2 (green)	Industry 4.0, big data, supply chain, nexus, strategy, circular economy, technology, corporate social-reasonability, future, challenges, innovation, energy, impacts, management, business, climate	21	1.67 ± 0.84	12.48 ± 8.66	7, 8, 9, 12, 13
3 (red)	Life-cycle assessment, waste management, tourism, industry, water, environmental impacts, health, nutrition	17	1.03 ± 0.49	10.24 ± 8.20	3, 6, 8, 9, 11, 12, 13
4 (yellow)	Zero hunger, trade-offs, stakeholders, food, land, waste-water, synergy, consumption	14	1.25 ± 0.54	10.43 ± 5. 83	2, 6, 7, 17
5 (pink)	Resources, climate change, land-use, resilience	12	0.80 ± 0.34	12.25 ± 13.40	13, 15
6 (purple)	Electricity, greenhouse-gas emissions	6	1.13 ± 0.73	11.00 ± 6.24	7, 10, 13

ANC, average normalized citation; SDG, sustainable development goals; 5Ps, Planet, prosperity, people, peace and partnership

^*Included keywords with ANC > 1.00