Evaluating Consumer Usage of Nutritional Labeling: The Influence of Socio-Economic Characteristics



For qualitative discrete variables, such as the explanatory variables used in this study,
dPi/dXij does not exist. Probability changes are then determined by:

(Pl/ ∂Xij) = Pi(Yi :Xij= 1) - Pi(Yi :Xij= 0)

The following model was developed to predict the likelihood of making frequent use of
nutritional labeling (i.e. those who usually or always consult nutritional labeling on the
food products they purchase). The model was tested under the specification:

Prob = β0 + β1 Male + β2Age1 + β3Age2 + β4Age3 + β5 Suburban

+ β6 Rural + β7 Household_Size + β82Children + β9 Prime + β10 Organic

+ β11 Media + β12 Education + β13 HiJncome

Where:

Prob

= 1 if the participant usually or always checked nutritional
labeling when purchasing foods and 0 otherwise

Male

= 1 if the individual is male and 0 otherwise

Age1

= 1 if the individual is older than 65 years of age and 0
otherwise

Age2

= 1 if the individual is 51 to 65 years of age and 0 otherwise

Age3

= 1 if the individual is 36 to 50 years of age and 0 otherwise

Suburban

= 1 if the individual resides in a suburban neighborhood and 0
otherwise

Rural

= 1 if the individual resides in a rural neighborhood and 0
otherwise

Household_Size = 1 if the number of individuals living in the household were 4
or more and 0 otherwise

2Children = 1 if 2 or more individuals under the age of 17 resided in the
household and 0 otherwise



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