Table 4.

Bootstrap analysis for significance test of mediation effect.

	Effect	BootSE	BootLLCI	BootULCI	Contribution rate
Total	0.653	0.052	0.554	0.755
Institutional cultural capital—family income—physical fitness level	0.323	0.047	0.235	0.420	49.49%
Institutional cultural capital—physical cultural capital—physical fitness level	0.244	0.024	0.199	0.291	37.30%
Institutional cultural capital—family income—physical cultural capital—physical fitness level	0.086	0.009	0.069	0.105	13.22%

Institutional cultural capital refers to academic qualifications, and physical cultural capital refers to stocks of physical fitness goods.