Research Article

Inadequate Protein Intake at Specific Meals Is Associated with Higher Risk of Impaired Functionality in Middle to Older Aged Mexican Adults

Table 3

Summary of the significance of independent variables introduced in the multinomial logistic regression for estimating functionality.

Functionality
IADLaADLa
Model 1Model 2Model 1Model 2

Variables in the modelb values values
IPI day0.420.240.400.82
IPI breakfast0.150.770.750.29
IPI lunch0.160.160.0440.47
IPI dinner0.510.0350.170.95
Age0.0010.0010.0010.001
Sex0.350.420.630.47
BMI categories0.990.770.450.52
Diagnosed diseases0.750.880.510.63

Model typePseudo-R2fPseudo-R2
Full modelc0.3790.3820.4260.402
Without the significant mealdNA0.3560.402NA
Without agee0.1410.1140.2040.148

aOutcome variable. bIndependent variables. cIncluded all listed variables. dIncluded all variables except the IPI at the meal with a significant value. eIncluded all variables except the age. fNagelkerke pseudo-R2. ADL: activities of daily living; IADL: instrumental activities of daily living; IPI: inadequate protein intake; IPI day: inadequate protein intake per day (<1.2 g/kg/d); Model 1: inadequate protein intake per meal considered as <30 g protein/meal; Model 2: inadequate protein intake per meal considered as <0.4 g protein/kg/meal; NA: not applicable.