Table 2. Differences in the mean of scores on PA, PSU and burnout for samples with various characteristics.

	Categories	PA	t or F	Cohen’s d or η2	PSU	t or F	Cohen’s d or η2	Burnout	t or F	Cohen’s d or η2
Gender	Male	4,480.450 ± 4,193.067	6.287***	0.436	30.300 ± 9.757	0.473	0.034	33.060 ± 12.763	2.445*	0.175
	Female	2,858.220 ± 3,187.204			29.970 ± 9.378			30.860 ± 12.386
Education level	Vocational education	3,845.660 ± 3,932.313	0.054	0.005	30.170 ± 9.490	−0.004	0.000	32.320 ± 12.485	0.560	0.047
	Undergraduate education	3,827.540 ± 3,827.593			30.170 ± 10.050			31.720 ± 13.289
Only child or not	Yes	3,950.130 ± 4,034.654	0.524	0.039	30.390 ± 10.067	0.434	0.033	32.220 ± 13.188	0.038	0.003
	No	3,794.810 ± 3,854.374			30.070 ± 9.405			32.180 ± 12.427
Type of residence	Countryside	3,923.520 ± 4,031.380	0.675	0.048	29.840 ± 8.844	−1.087	−0.077	32.590 ± 12.186	1.004	0.070
	City or town	3,738.260 ± 3,748.738			30.590 ± 10.489			31.700 ± 13.223
Annual family income	RMB 10,000 to 150,000	3,708.990 ± 3,828.226	1.653	0.004	30.140 ± 9.297	1.946	0.005	32.360 ± 12.177	1.448	0.004
	RMB 150,001 to 300,000	4,085.750 ± 3,614.016			31.120 ± 9.854			32.650 ± 13.263
	RMB 300,001 or more	4,525.990 ± 5,070.924			28.320 ± 11.548			29.680 ± 15.280

Notes:

^*p < 0.05.

^***p < 0.001.

Burnout = EX + CY + rPE.