Who reports high company performance? A quantitative study of Chinese listed companies in the energy industry

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Table 10 Variance analysis of company performance with respect to age

Variable	Age < 40		40 ≤ Age < 45		45 ≤ Age < 50		50 ≤ Age < 55		55 ≤ Age < 60		60 ≤ Age		Welch	Sig.
Variable	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Welch	Sig.
CP	0.710	0.42	1.144	0.73	0.937	0.60	0.929	0.61	0.952	0.71	0.795	0.84	5.436	0.000
CPP	0.056	0.20	0.188	0.30	0.086	0.31	0.078	0.34	0.026	0.26	0.101	0.33	4.569	0.001
CGP	0.972	0.55	1.195	0.81	0.910	0.58	0.942	0.57	0.912	0.37	0.515	0.52	5.793	0.000
COP	1.728	0.99	2.691	1.70	2.265	1.45	2.271	1.42	2.380	1.73	2.096	1.98	5.036	0.000