Table 5: Multiple regression model predicting subject’s nutritional status.

Independent variable B

BMI Model ( = 0.190, = 8.451, < 0.001)
PEF (L/s)2.4500.6440.001
Plasma vitamin A ( mol/L)2.8451.8560.005
Handgrip (kg)2.6160.1970.010

FFMI Model ( = 0.081, = 5.309, = 0.007)
FEV1 (L)2.4361.2970.017
Plasma vitamin A ( mol/L)2.1520.9480.034

< 0.05 significant using multiple linear regression analysis 
Adjusted for BMI: income, handgrip strength, vitamin E intake, FEV1% predicted, FEV1, PEF, PEF% predicted, and plasma vitamin A.  
Adjusted for FFMI: handgrip strength, FEV1% predicted, FEV1, PEF, PEF% predicted, and plasma vitamin A.