Table 4.

Logistic Regression of Factors Significantly Associated with Flu Shot in the Current Year (1998)*

VariableBetaWald StatisticdfP Value
Disease burden−0.187801<.01
Level of education−0.127591<.01
African American−0.699491<.01
HMO member0.475341<.01
Current smoker−0.471271<.01
Urban resident−0.270151<.01
No. of primary care provider claims−0.014121<.01
Hispanic ancestry−0.368111<.01
Total no. of physician claims−0.00591<.01
Household income0.0061<.05
  • * Flu shot: yes = 0, no = 1; for all categorical variables (African American, Hispanic ancestry, smoking, married?, HMO membership, living in urban area) yes = 0, no = 1.

  • Variables not statistically significant in the model: self-reported health status, level of disability, and number of specialist physician claims.