Effects of the Vermont Mental Health and Substance Abuse Parity Law

Table C.1: Determinants of the Probability of Mental Health Service Use: Kaiser/CHP, 1996-1999

  Any Mental Health Services Inpatient/Partial MH Outpatient MH
Coefficient (S.E.) Odds Ratio Coefficient (S.E.) Odds Ratio Coefficient (S.E.) Odds Ratio
Intercept -3.449***
(0.026)
  -7.297***
(0.174)
  -3.452***
(0.026)
 
Age (40 and over ommited)            
   18 and under -0.161***
(0.023)
0.85 -0.281*
(0.147)
0.76 -0.162**
(0.023)
0.85
   19 to 29 -0.069**
(0.028)
0.93 0.153
(0.176)
1.17 -0.069**
(0.028)
0.93
   30 to 39 0.237***
(0.020)
1.27 0.078
(0.142)
1.08 0.237***
(0.020)
1.27
Gender (Female omitted) -0.487***
(0.016)
0.62 -0.570***
(0.113)
0.57 -0.487***
(0.016)
0.62
Subscriber Status (Dependent omitted) 0.023
(0.019)
1.02 -0.411**
(0.128)
0.66 0.023
(0.019)
1.02
County (Chittenden omitted)            
   Addison 0.060*
(0.034)
1.06 0.411*
(0.212)
1.51 0.056*
(0.034)
1.06
   Bennington 0.237***
(0.028)
1.27 0.319*
(0.193)
1.38 0.238***
(0.028)
1.27
   Caledonia/Essex/Orleans -0.343***
(0.077)
0.71 -0.802
(0.713)
0.45 -0.341***
(0.077)
0.71
   Franklin/Grand Isle -0.347***
(0.029)
0.71 -0.276
(0.203)
0.76 -0.346***
(0.029)
0.71
   Lamoille -0.217***
(0.043)
0.81 0.059
(0.273)
1.06 -0.217***
(0.043)
0.81
   Orange -0.099
(0.073)
0.91 0.025
(0.508)
1.03 -0.097
(0.073)
0.91
   Rutland 0.096***
(0.029)
1.10 -0.312
(0.246)
0.73 0.096***
(0.029)
1.10
   Washington -0.337***
(0.038)

0.71

0.147
(0.227)
1.16 -0.334***
(0.038)
0.72
   Windham/Windsor 0.388***
(0.021)
1.47 0.606***
(0.141)
1.83 0.386***
(0.021)
1.47
Quarter -0.012
(0.003)
0.99 0.029
(0.023)
1.03 -0.012***
(0.003)
0.99
Parity (1 = yes) 0.162***
(0.029)
1.18 -0.380*
(0.203)
0.68 0.160***
(0.029)
1.17
Overall Chi-Square 2,346.74***   85.10***   2,334.82***  
N 707,896   707,896   707,896  
Sources: Original analysis of Kaiser/CHP claims/encounter data by Mathematica Policy Research, Inc.
   
* Significantly different from zero at the .10 level, two-tailed test.
** Significantly different from zero at the .10 level, two-tailed test.
*** Significantly different from zero at the .10 level, two-tailed test.
   
S.E. = Standard error.

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