Models Model 1 (Early Phase 2) Model 2 (Late Phase 2) Model 3 (Late Phase 3)
Variables Coef. Odds Ratio p-value Coef. Odds Ratio p-value Coef. Odds Ratio p-value
Constant 1.435* 4.198 0.000 1.453* 4.276 0.000 1.571* 3.707 0.000
Age
Age 35–50 -0.208* 0.812 0.000 -0.237* 0.789 0.000 -0.226* 0.794 0.000
Age 50–65 -0.359* 0.698 0.000 -0.491* 0.612 0.000 -0.355* 0.618 0.000
Age ≥ 65 -1.229* 0.293 0.000 -1.512* 0.220 0.000 -1.227* 0.223 0.000
Age 18–35 (base)      
Gender
Male -0.090* 0.914 0.000 -0.044* 0.957 0.010 -0.063* 0.960 0.001
Female (base)
Ethnicity
White -0.049* 0.952 0.015 -0.008 0.992 0.733 -0.021 0.948 0.378
Non-white (base)
Education
No degree -1.366* 0.255 0.000 -1.301* 0.272 0.000 -1.215* 0.274 0.000
Associate degree -1.143* 0.319 0.000 -1.136* 0.321 0.000 -1.013* 0.323 0.000
Bachelor’s degree -0.377* 0.686 0.000 -0.369* 0.691 0.000 -0.308* 0.692 0.000
Graduate degree (base)      
Marital status
Married 0.011 1.011 0.060 0.040 1.041 0.091 0.031 1.040 0.241
Other marital status -0.245* 0.783 0.000 -0.125* 0.882 0.000 -0.198* 0.882 0.000
Never married (base)      
Difficulty with expenses
A little difficult -0.054* 0.948 0.007 -0.053* 0.948 0.017 -0.116* 0.954 0.000
Somewhat difficult -0.292* 0.747 0.000 -0.307* 0.736 0.000 -0.317* 0.743 0.000
Very difficult -0.691* 0.501 0.000 -0.660* 0.517 0.000 -0.622* 0.527 0.000
Other -0.316* 0.729 0.000 -0.27* 0.763 0.000 -0.373* 0.801 0.000
Not at all (base)      
Household size
HH ≤ 2 -0.360* 0.698 0.000 -0.272* 0.762 0.000 -0.411* 0.762 0.000
HH > 2 (base)    
Work type
Government 0.843* 2.323 0.000 0.919* 2.507 0.000 0.825* 2.517 0.000
Private 0.346* 1.414 0.000 0.325* 1.384 0.000 0.253* 1.388 0.000
Other -0.427* 0.653 0.000 -0.412* 0.662 0.000 -0.563* 0.667 0.000
Self-employed (base)      
Annual household income
<$50,000 -1.374* 0.253 0.000 -1.402* 0.246 0.000 -1.298* 0.250 0.000
$50,000 to $100,000 -0.659* 0.517 0.000 -0.684* 0.505 0.000 -0.624* 0.507 0.000
>$100,000 (Base)
Other -0.650* 0.522 0.000 -0.702* 0.496 0.000 -0.643* 0.507 0.000
Anxiousness
Several days 0.423* 1.527 0.000 0.428* 1.534 0.000 0.430* 1.545 0.000
More than half the days 0.513* 1.670 0.000 0.528* 1.696 0.000 0.518* 1.719 0.000
Nearly every day 0.627* 1.873 0.000 0.631* 1.879 0.000 0.570* 1.925 0.000
Other 0.254* 1.289 0.000 0.259* 1.296 0.000 0.226* 1.165 0.000
Not at all (base)                  
Random-effects parameters
State (Number of groups: 51)
Std.(Constant)


0.262


-


-


0.251


-


-


0.245


-


-
Log likelihood -55313.979 -45328.352 -39157.755
Wald Test chi2(25) = 20,740.64 Prob > chi2 = 0.000 chi2(25) = 17,376.64 Prob > chi2 = 0.000 chi2(25) = 14,919.75 Prob > chi2 = 0.000
LR test vs. logistic model chibar2(01) = 591.63 Prob > chi2 = 0.000 chibar2(01) = 591.63 Prob > chi2 = 0.000 chibar2(01) = 423.12 Prob > chi2 = 0.000