B Std. Error Wald P value Odds ratio 95% C.I.
Lower Upper
Total Expenditure 0.000 0.000 7.568 0.006 1.00 1.000 1.000
Head of Household (1=yes) 0.065 0.291 0.049 0.824 1.07 0.604 1.885
Good to Excellent health status -2.471 0.332 55.325 0.000 0.09 0.044 0.162
Moderate health status -0.967 0.301 10.312 0.001 0.38 0.211 0.686
Poor health status         1.00    
Middle class -0.122 0.366 0.111 0.738 0.89 0.432 1.813
Upper class 0.322 0.470 0.469 0.493 1.38 0.549 3.468
Poor         1.00    
Old Elderly 0.949 0.492 3.720 0.054 2.58 0.985 6.777
Oldest Elderly 0.624 0.852 0.538 0.463 1.87 0.352 9.908
Young Elderly         1.00    
Health Insurance (1=yes) 0.769 0.308 6.244 0.012 2.16 1.180 3.946
Gender (1=male) -0.399 0.267 2.221 0.136 0.67 0.397 1.134
Social Assistance (1=yes) 0.284 0.290 0.954 0.329 1.33 0.752 2.345
Married 0.773 0.337 5.263 0.022 2.17 1.119 4.189
Single 0.040 0.342 0.014 0.906 1.04 0.532 2.036
Separated, Divorced, Widowed         1.00    
Constant 1.433 2.225 0.414 0.520 4.19    
R2=0.366; -2LL=410.6
Hosmer and Lemeshow: χ2=5.944, P=0.653
Model χ2=115.6, P<0.0001
Table 3: Logistic regression of self-reported Illness and selected variables, n=388.