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. 2014 Aug 1;9(8):e103804. doi: 10.1371/journal.pone.0103804

Table 1. Demographic characteristics of the cohort by number of mental health visits (MHV).

Variable All (n = 120,852) MHV = 0* (n = 31,785) MHV> = 1* (n = 89,067)
Mental Health Care Visits, n, Mean (sd) range
2002 8.0 (24.7) 0–616 10.8 (28.1) 0–616
2003 5.9 (17.9) 0–424 7.4 (19.8) 0–424
2004 9.3 (29.5) 0–1009 11.9 (32.8) 0–1009
2005 6.5 (20.5) 0–576 8.2 (22.7) 0–576
2006 5.9 (19.4) 0–489 7.4 (21.4) 0–489
Age, years Mean (sd) 61.0 (11.4) 67.0 (10.8) 58.9 (10.9)
Male (%) 96.4 96.9 96.2
Race (%)
NHW 67.3 77.1 63.8
NHB 15.9 10.5 17.8
Hispanic 6.7 4.0 7.7
Others 10.1 8.3 10.7
Married (%) 53.9 61.0 51.3
Service Connected Disability* (%) 39.0 25.6 43.7
Rural (%) 37.4 44.2 34.9
Geographic Region (%)
Mid-Atlantic % 22.2 20.8 22.7
West % 16.8 16.3 17.0
Northeast % 10.4 9.0 10.9
South % 30.1 28.8 30.5
Midwest % 20.0 24.6 18.3
Number of Psychiatric Comorbidities
One 81.7 93.3 77.5
Two 15.2 6.3 18.4
Three 3.1 0.4 4.0
Psychiatric Comorbidities
Substance Abuse 22.6 18.0 24.2
Depression 73.3 75.9 72.3
Psychoses 25.6 13.3 30.0
Medical Comorbidities
Anemia 10.5 13.5 9.4
Cancer 7.1 10.4 5.9
Cerebrovascular disease 16.9 22.1 15.1
Congestive heart failure 13.4 19.7 11.1
Cardiovascular disease 4.2 5.8 3.7
Hypertension 79.0 80.7 78.4
Hypothyroidism 7.2 7.7 7.0
Liver disease 7.0 6.0 7.4
Lung disease 19.6 21.6 18.8
Fluid/electrolyte disorders 9.2 10.6 8.7
Obesity 16.3 13.6 17.3
Other disease 5.6 6.4 5.3
PVD 13.0 17.6 11.3

*Stratified by number of mental health visits in 2002;

Greater than 0.5 service connected disability.