Health Promotion System for the Elderly’s Daily Body Functions Based on Nanoprotective Technology

Table 1

The meaning of the letters in the above formula.

Letter	Meaning
	Observed variables of exogenous latent variables
	Observed variables of endogenous latent variables
	Endogenous latent variables
	path coefficient of exogenous latent variables
	path coefficient of endogenous latent variables
	Exogenous latent variables
	Error of exogenous latent variable
	Error of endogenous latent variable
	Staggered term