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. 2026 Jun 1;16:97. doi: 10.1186/s13561-026-00798-w

Table 3.

Results of logit regression for determinants of class 2 membership

Variable CE OR SE 95% CI
Constant 2.22 6.44* 3.62 (2.14, 19.39)
Sex (Ref: Male)
 Female 0.38 1.47 0.38 (0.88, 2.44)
Age (Ref: ≤33)
 33 < age ≤ 48 -0.65 0.52* 0.11 (0.35, 0.78)
 48< -0.82 0.44* 0.13 (0.25, 0.78)
Head of household (Ref: No)
 Yes 0.22 1.24 0.34 (0.72, 2.14)
Owner of house (Ref: No)
 Yes -0.13 0.88 0.15 (0.62, 1.24)
Marital status (Ref: Single/Widow/Divorced)
 Married 0.42 1.52 0.32 (1.00, 2.23)
Health status (Ref: Bad/Very bad/Moderate)
 Good 0.04 1.05 0.21 (0.70, 1.56)
 Very good -0.78 0.46* 0.11 (0.29, 0.72)
Underlying disease (Ref: No)
 Yes 0.12 1.12 0.25 (0.17, 1.75)
Insurance (Ref: No insurance)
 Social security insurance -0.99 0.37* 0.15 (0.17, 0.80)
 Health insurance -0.90 0.41* 0.17 (0.17, 0.94)
 Armed forces insurance -0.52 0.59 0.22 (0.29, 1.22)
 Other -1.41 0.24* 0.11 (0.10, 0.61)
Supplementary insurance (Ref: No)
 Yes -0.21 1.24 0.22 (0.87, 1.76)
Employment (Ref: Unemployed)
 Employed -0.32 0.73 0.16 (0.47, 1.3)
Education (Ref: Less than college)
 Associate or bachelor’s degree -1.15 0.32** 0.06 (0.21, 0.47)
 Master/PhD degree -0.85 0.42* 0.11 (0.25, 0.71)
 Family size 0.20 1.23* 0.08 (1.07, 1.41)
History of COVID-19(Ref: No COVID-19 infection)
 Yes, hospitalized -0.75 0.47** 0.10 (0.32, 0.70)
 Yes, no hospitalization -0.35 0.71 0.28 (0.32, 1.53)
Income level (Ref: No income)
 < 894.94 0.96 2.61* 0.83 (1.40, 4.87)
 894.94–1678 0.66 1.94* 0.57 (1.09, 3.44)
 1678-2796.68 0.19 1.21 0.39 (0.65, 2.26)
 > 2796.68 -0.43 0.65 0.25 (0.31, 1.39)

CE Coefficient Estimate, SD Standard Error, CI Confidence Interval

* P <0.01, ** P <0.001