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. Author manuscript; available in PMC: 2018 Mar 18.
Published in final edited form as: Acad Emerg Med. 2017 Jan;24(1):63–74. doi: 10.1111/acem.13070

Table 1.

Participant Characteristics

Variable* No ED Visits
N=186
Any ED Visits
N=164
Total
N=350

Age, Median (IQR) 58 (54–62) 58 (54–61) 58 (54–61)
Sex
  Male 143 (76.9) 127 (77.4) 270 (77.1)
Race
  Black 148 (79.6) 131 (79.9) 279 (79.7)
  Non-Black 38 (20.4) 33 (20.1) 71 (20.3)
Education
  Completed High School or GED Degree 138 (74.2) 122 (74.4) 260 (74.3)
Monthly Income (All Sources)
  $0 to $150 49 (26.9) 39 (24.0) 88 (25.6)
  $151 to $700 52 (28.6) 32 (19.8) 84 (24.4)
  $701 to $1150 67 (36.8) 71 (43.8) 138 (40.1)
  Over $1150 14 (7.7) 20 (12.4) 34 (9.9)
At-risk Substance Use, Past 6 Months
  Alcohola 50 (26.9) 40 (24.5) 90 (25.8)
  Cocaine, Opioids, or Amphetaminesb 81 (43.5) 96 (58.5) 177 (50.6)
Residential Statusc
  Cohabiter 31 (16.7) 26 (15.9) 57 (16.3)
  Multiple Institution User 49 (26.3) 39 (23.8) 88 (25.1)
  Newly Homeless/Renters 26 (14.0) 17 (10.4) 43 (12.3)
  Unsheltered 80 (43.0) 82 (50.0) 162 (46.3)
Mental Health Status
  PTSDd 58 (31.2) 56 (34.1) 114 (32.6)
  Moderate to Severe Depressive Symptomatologye 89 (48.4) 96 (58.9) 185 (53.3)
  History of Hallucinations, Violent Impulses, Suicide Attempt 115 (62.2) 112 (68.3) 227 (65.0)
  Past Mental Health Hospitalization 24 (12.9) 42 (25.6) 66 (18.9)
Functional Status and Cognition
  Any ADL Impairmentf 64 (34.4) 72 (43.9) 136 (38.9)
  Lower Extremity Functioning Impairmentg 102 (55.4) 99 (61.9) 201 (58.4)
  Cognitive Impairmenth 44(23.7) 46 (28.2) 90 (25.8)
Instrumental Social Supporti
  None 62 (33.7) 54 (33.3) 116 (33.5)
Self-Rated Health Statusj
  Poor or Fair Health 99 (53.2) 96 (58.5) 195 (55.7)
Medical Conditionk
  Hypertension 100 (54.1) 95 (58.3) 195 (56.0)
  Diabetes 23 (12.4) 26 (15.9) 49 (14.0)
  Asthma/Chronic Obstructive Pulmonary Disease 39 (21.0) 53 (32.3) 92 (26.3)
  Cancer 8 (4.3) 13 (7.9) 21 (6.0)
  Human Immunodeficiency Virus 10 (5.5) 9 (5.6) 19 (5.5)
  Coronary Artery Disease/Myocardial Infarction 12 (6.5) 20 (12.2) 32 (9.1)
  Stroke 16 (8.6) 23 (14.1) 39 (11.2)
  Congestive Heart Failure 12 (6.5) 13 (7.9) 25 (7.1)
Oral Painl
  Occasionally/Fairly Often/Very Often 68 (36.6) 72 (43.9) 140 (40.0)
Pain, past weekm
  Mild to Moderate 57 (30.6) 30 (18.5) 87 (25.0)
  Severe 57 (30.6) 80 (49.4) 137 (39.4)
Health Care Utilization
  Regular Health Care Location 129 (69.4) 123 (75.0) 252 (72.0)
  Regular Health Care Provider 95 (51.4) 89 (54.6) 184 (52.9)
Abuse, Past 6 Months
  Physicaln 13 (7.1) 22(13.5) 35 (10.1)
  Sexualo 5 (2.7) 1 (0.6) 6 (1.7)
Jail or Prison, Past 6 Months 21 (11.3) 16 (9.8) 37 (10.6)
Any Health Insurance Coveragep 139 (39.9) 138 (85.2) 277 (79.6)
*

Data presented as N (%) unless otherwise noted

a

At-risk alcohol use defined as Alcohol Use Disorders Identification Test (AUDIT) score ≥8

b

At-risk drug use defined as Alcohol, Smoking, and Substance Involvement Screening Test (ASSIST) score ≥4

c

Residential status defined as primary living environment in the past 6 months as determined using cluster analysis; Overall (Type 3) p-value = 0.021

d

Post-traumatic stress disorder defined as a PTSD Screen score of ≥3

e

Moderate to severe depressive symptomatology defined as a Center for Epidemiologic Studies Depression Scale score of ≥22

f

ADL, activities of daily living, impairment defined as self-reported difficulty performing 1 or more ADLs

g

Lower extremity functioning impairment defined as Short Performance Physical Battery score of ≤10

h

Cognitive impairment defined as Modified Mini-Mental State Examination score below the 7th percentile (i.e., 1.5 standard deviations below the demographically-adjusted cohort mean)

i

Instrumental social support defined as having anyone who would lend money or offer a place to stay if needed

j

Self-rated health status assessed using Ware, et al. 1-item health screen

k

Medical conditions assessed by self-report of having received a diagnosis from a physician or positive test result for HIV

l

Oral pain defined as having pain anywhere in the mouth in the past 6 months

m

Pain assessed using the Brief Pain Inventory; none (0), mild to moderate (1–7), severe (8–10); Overall (Type 3) p-value = 0.021

n

Physical abuse defined as experiencing physical violence perpetrated by another person using an object or being slapped, hit, punched, kicked, choked, or burned

o

Sexual abuse defined as being pressured or forced to have sexual contact, to do something sexual, or to have sex

p

Health insurance coverage includes Medicaid; Medicare; Alameda HealthPAC, a county-run health plan covering low-income residents not eligible for Medicaid; or any other kind of private or public health plan