. 2022 Jul 14;13:871538. doi: 10.3389/fpsyg.2022.871538

TABLE 1.

Regional logistics industry comprehensive development-level index system.

Target layer	Criterion layer	Index layer
Comprehensive logistics development level	Economic development level	GDP (10⁸yuan), Per capita GDP (10⁸yuan)
	Logistics demand	Gross industrial output value (10⁸yuan), Total value of farm output (10⁸yuan), Total retail sales of social consumer goods (10⁸yuan), Total freight volume (10⁴t)
	Logistics industry scale	Added value of logistics-related industries (10⁸yuan), Number of logistics employees (10⁴people)
	Level of information	Total postal services (10⁸yuan), Number of Internet users (10⁴household), Number of mobile phone end users (10⁴household)
	Infrastructure construction	Inland waterway mileage (10⁴km), Highway mileage (10⁴km), Length of railroad lines in service (10⁴km), Air carrier capacity, Total investment in fixed assets in logistics (10⁸yuan)