表 4. Analysis results of direct and indirect effects.

直接与间接效应分析结果

Model path	β total	β direct	β indirect
The values are the standardized coefficient and its 95% CI. βtotal: total effect; βdirect: direct effect; βindirect: indirect effect; the abbreviations are explained in the footnote to Table 2.
AB→FB	0.256 (0.148-0.366)	0.212 (0.105-0.327)	0.044 (0.023-0.073)
SN→FB	0.141 (0.033-0.251)	0.123 (0.016-0.228)	0.018 (0.001-0.040)
AB→BI	0.273 (0.175-0.389)	0.273 (0.175-0.389)	—
SN→BI	0.109 (0.005-0.219)	0.109 (0.005-0.219)	—
BI→FB	0.162 (0.093-0.224)	0.162 (0.093-0.224)	—