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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: Med Care Res Rev. 2015 Feb 19;72(3):277–297. doi: 10.1177/1077558715572387

Table 5.

Ordered Logit Model (Mean Marginal Effects)

(1=Usually low, 2=Low/Moderate, 3=sometimes high, 4=Often high, 5=Usually high) All Sample

VARIABLES 1 2 3 4 5

Age −0.0121***
(0.000270)
0.00129***
(3.60e-05)
0.00706***
(0.000183)
0.00227***
(6.51e-05)
0.00149***
(2.64e-05)
Age Squared 6.23e-05***
(3.98e-06)
−6.64e-06***
(3.60e-07)
−3.63e-05***
(2.46e-06)
−1.17e-05***
(7.97e-07)
−7.67e-06***
(4.27e-07)

Gender (Male) 0.0866***
(0.00154)
−0.00922***
(0.000371)
−0.0505***
(0.000797)
−0.0163***
(0.000282)
−0.0107***
(0.000315)

Region (base group West)
Northeast −0.0324***
(0.00759)
0.00345***
(0.000834)
0.0189***
(0.00440)
0.00609***
(0.00141)
0.00399***
(0.000951)
North Central −0.0436***
(0.00593)
0.00464***
(0.000565)
0.0254***
(0.00350)
0.00819***
(0.00114)
0.00537***
(0.000737)
South −0.0629***
(0.00516)
0.00670***
(0.000597)
0.0366***
(0.00297)
0.0118***
(0.000975)
0.00774***
(0.000680)

Urban Area 0.0243***
(0.00336)
−0.00259***
(0.000388)
−0.0142***
(0.00198)
−0.00456***
(0.000624)
−0.00299***
(0.000383)

Benefit Plan (base group PPO)
HMO 0.0577***
(0.00941)
−0.00614***
(0.00101)
−0.0336***
(0.00550)
−0.0108***
(0.00171)
−0.00709***
(0.00121)
POS 0.0254***
(0.00474)
−0.00271***
(0.000471)
−0.0148***
(0.00281)
−0.00478***
(0.000910)
−0.00313***
(0.000554)
Other 0.0227***
(0.00392)
−0.00242***
(0.000446)
−0.0132***
(0.00226)
−0.00426***
(0.000717)
−0.00279***
(0.000502)

Median HH income at zip code −0.339***
(0.0968)
0.0361***
(0.00998)
0.197***
(0.0567)
0.0636***
(0.0183)
0.0417***
(0.0119)

Employee Classification: Union −0.0155***
(0.00366)
0.00165***
(0.000416)
0.00902***
(0.00211)
0.00291***
(0.000676)
0.00190***
(0.000461)

Employment Status (base group: Active Full Time)
Early Retiree −0.0160***
(0.00259)
0.00170***
(0.000248)
0.00931***
(0.00154)
0.00300***
(0.000501)
0.00197***
(0.000308)
Other −0.0195***
(0.00654)
0.00208***
(0.000668)
0.0114***
(0.00385)
0.00367***
(0.00124)
0.00240***
(0.000792)

Trauma occurred −0.129***
(0.00372)
0.0138***
(0.000373)
0.0753***
(0.00244)
0.0243***
(0.000764)
0.0159***
(0.000490)

Comorbidities
Myocardial Infarction −0.309***
(0.00470)
0.0329***
(0.00116)
0.180***
(0.00273)
0.0581***
(0.000912)
0.0380***
(0.00100)
Congestive heart failure −0.290***
(0.00980)
0.0309***
(0.000905)
0.169***
(0.00629)
0.0545***
(0.00207)
0.0357***
(0.00120)
Peripheral vascular disease −0.230***
(0.00654)
0.0245***
(0.000579)
0.134***
(0.00429)
0.0433***
(0.00145)
0.0284***
(0.000832)
Dementia 0.280***
(0.0158)
−0.0298***(0.00194) −0.163***
(0.00919)
−0.0526***
(0.00284)
−0.0344***
(0.00223)
Cerebrovascular disease −0.242***
(0.00551)
0.0257***
(0.000552)
0.141***
(0.00370)
0.0454***
(0.00125)
0.0297***
(0.000822)
Chronic pulmonary disease −0.183***
(0.00299)
0.0195***
(0.000477)
0.106***
(0.00201)
0.0343***
(0.000839)
0.0225***
(0.000456)
Rheumatologic disease or connective tissue disease −0.362***
(0.00883)
0.0385***
(0.000920)
0.211***
(0.00576)
0.0680***
(0.00197)
0.0445***
(0.00133)
Peptic Ulcer disease −0.231***
(0.00629)
0.0246***
(0.000649)
0.135***
(0.00404)
0.0434***
(0.00148)
0.0284***
(0.000768)
Mild/Moderate/Severe liver disease −0.290***
(0.00844)
0.0309***
(0.00101)
0.169***
(0.00517)
0.0545***
(0.00170)
0.0357***
(0.00134)
Moderate or severe renal disease −0.407***
(0.0160)
0.0434***
(0.00178)
0.237***
(0.00957)
0.0765***
(0.00301)
0.0501***
(0.00241)
Diabetes −0.245***
(0.00640)
0.0261***
(0.000617)
0.143***
(0.00406)
0.0461***
(0.00149)
0.0302***
(0.000950)
Any tumor (Other Malignancy) −0.219***
(0.00599)
0.0234***
(0.000556)
0.128***
(0.00392)
0.0412***
(0.00123)
0.0270***
(0.000896)
Metastatic solid tumor −0.253***
(0.00859)
0.0269***
(0.000995)
0.147***
(0.00520)
0.0475***
(0.00170)
0.0311***
(0.00128)
Diabetes + complications −0.230***
(0.00649)
0.0245***
(0.00111)
0.134***
(0.00390)
0.0432***
(0.00125)
0.0283***
(0.000777)
AIDS −0.915***
(0.0332)
0.0974***
(0.00387)
0.533***
(0.0201)
0.172***
(0.00613)
0.113***
(0.00507)

PDG Category 1=Present
Organic Mental Disorders / Other Psychotic Disorders (NEC, NOS) −0.227***
(0.00763)
0.0241***
(0.00117)
0.132***
(0.00435)
0.0425***
(0.00127)
0.0279***
(0.00126)
Alcohol Use Disorders −0.0792***
(0.00641)
0.00843***
(0.000734)
0.0461***
(0.00370)
0.0149***
(0.00119)
0.00974***
(0.000862)
Opioid and Other Substance Use Disorders −0.145***
(0.00674)
0.0154***
(0.000630)
0.0844***
(0.00417)
0.0272***
(0.00147)
0.0178***
(0.000681)
Schizophrenia Disorders −0.252***
(0.0144)
0.0268***
(0.00180)
0.147***
(0.00837)
0.0473***
(0.00253)
0.0310***
(0.00205)
Bipolar Disorders −0.285***
(0.00715)
0.0303***
(0.00111)
0.166***
(0.00430)
0.0535***
(0.00129)
0.0351***
(0.00125)
Major Depressions −0.201***
(0.00259)
0.0214***
(0.000742)
0.117***
(0.00134)
0.0377***
(0.000663)
0.0247***
(0.000592)
Other Specific & Atypical Affective Disorders −0.141***
(0.00387)
0.0150***
(0.000737)
0.0821***
(0.00204)
0.0265***
(0.000696)
0.0173***
(0.000650)
Post Traumatic Stress Disorders −0.132***
(0.00769)
0.0141***
(0.000956)
0.0772***
(0.00445)
0.0249***
(0.00153)
0.0163***
(0.000941)
Anxiety Disorders (NOS) −0.123***
(0.00348)
0.0131***
(0.000675)
0.0715***
(0.00175)
0.0230***
(0.000651)
0.0151***
(0.000589)
Personality, Impulse Control, Adjustment,and Other Mental Disorders −0.140***
(0.00262)
0.0149***
(0.000636)
0.0815***
(0.00123)
0.0263***
(0.000525)
0.0172***
(0.000528)

Observations
Pseudo R-squared
2,465,152
0.120
2,465,152
0.120
2,465,152
0.120
2,465,152
0.120
2,465,152
0.120

Standard errors in parentheses

***

p<0.01,

**

p<0.05,

*

p<0.1

1. Usually low – low spending at least four years, no years with high spending, Low/Moderate – low spending in three or fewer years, no years with high spending, Sometimes high – 1 or 2 years of high spending, Often high – 3 or 4 years of high spending, Usually high – 5 or 6 years of high spending. High spending is the top 10% and low spending is the bottom 70% of annual expenditures.