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Table 1 Demographic characteristics and chronic pain history among homeless participants by Chronic Pain Grade (n = 146)

From: Chronic pain among homeless persons: characteristics, treatment, and barriers to management

Characteristic

Chronic Pain

p-value

 

Grade I

(n = 11)

Grade II

(n = 47)

Grade III

(n = 34)

Grade IV

(n = 54)

 

Age (years), mean (sd)

48.2 (9.2)

44.9 (11.7)

45.9 (12.6)

46.2 (9.3)

0.826

Sex, n (%)

    

0.378*

   Male

7 (63.6)

39 (83.0)

29 (85.3)

43 (79.6)

 

   Female

4 (36.4)

7 (14.9)

5 (14.7)

11 (20.4)

 

   Transgendered

0 (0.0)

1 (2.1)

0 (0.0)

0 (0.0)

 

Lifetime duration of homelessness, n (%)

    

0.665

   < 2 years

5 (45.5)

25 (53.2)

16 (47.1)

22 (40.7)

 

   ≥ 2 years

6 (54.5)

22 (46.8)

18 (52.9)

32 (59.3)

 

Source of income, n (%)

     

   Disability benefits

2 (18.2)

10 (21.3)

11 (33.3)

15 (27.8)

0.595

   Social assistance

3 (27.3)

9 (19.1)

8 (24.2)

11 (20.4)

0.906

   Wages or salary

4 (36.4)

11 (23.4)

3 (9.1)

4 (7.4)

0.020

Highest level of education, n (%)

    

0.084

   Less than high school

1 (9.1)

18 (38.3)

15 (44.1)

27 (50.0)

 

   High school or equivalent

10 (90.9)

29 (61.7)

19 (55.9)

27 (50.0)

 

Has a regular medical doctor, n (%)

7 (63.6)

20 (42.6)

21 (61.8)

36 (66.7)

0.087

Duration of chronic pain (years), mean (sd)

7.5 (6.8)

9.8 (9.8)

8.3 (9.0)

12.5 (10.9)

0.184

Age at onset of pain (years), mean (sd)

40.6 (11.9)

35.4 (13.6)

37.6 (13.3)

33.7 (13.2)

0.339

Location of pain, n (%)

     

   Back

2 (18.2)

18 (38.3)

20 (58.8)

34 (63.0)

0.009

   Knees

4 (36.4)

11 (23.4)

8 (23.5)

18 (33.3)

0.579

   Shoulders

2 (18.2)

7 (14.9)

6 (17.6)

16 (29.6)

0.292

   Feet

2 (18.2)

11 (23.4)

5 (14.7)

9 (16.7)

0.754

   Legs

0 (0.0)

5 (10.6)

3 (8.8)

16 (29.6)

0.009

   Hands

0 (0.0)

7 (14.9)

5 (14.7)

10 (18.5)

0.483

   Hips

1 (9.1)

7 (14.9)

5 (14.7)

8 (14.8)

0.965

   Ankles

3 (27.3)

6 (12.8)

2 (5.9)

10 (18.5)

0.228

   Abdomen/genitourinary

1 (9.1)

7 (14.9)

2 (5.9)

8 (14.8)

0.571

   Neck

1 (9.1)

5 (10.6)

2 (5.9)

8 (14.8)

0.623

   Widespread pain

0 (0.0)

1 (2.1)

0 (0.0)

3 (5.6)

--

   Other location

5 (45.5)

13 (27.7)

9 (26.5)

28 (51.9)

--

Cause of pain, n (%)

     

   Injury

7 (63.6)

26 (55.3)

20 (58.8)

34 (63.0)

0.875

   Arthritis

1 (9.1)

5 (10.6)

7 (20.6)

13 (24.1)

0.278

   Other

2 (18.2)

21 (44.7)

15 (44.1)

23 (42.6)

--

   Don't know

1 (9.1)

7 (14.9)

6 (17.6)

11 (20.4)

0.784

Unmet needs for pain management, n (%)

2 (18.2)

12 (25.5)

9 (26.5)

16 (29.6)

0.878

Number of barriers to pain management, mean (sd)§

2.6 (2.7)

3.7 (3.2)

5.6 (3.1)

7.3 (3.8)

< 0.001

Pain control, n (%)

    

< 0.001

   Very or somewhat controlled

10 (90.9)

35 (76.1)

14 (41.2)

19 (35.2)

 

   Very or somewhat uncontrolled

1 (9.1)

11 (23.9)

20 (58.8)

35 (64.8)

 

Satisfaction with medical care, n (%)**

    

0.049

   Very or somewhat satisfied

4 (100.0)

14 (63.6)

16 (72.7)

16 (44.4)

 

   Very or somewhat unsatisfied

0 (0.0)

8 (36.4)

6 (27.3)

20 (55.6)

 

Currently being treated for pain in body, n (%)

1 (9.1)

16 (34.0)

18 (52.9)

25 (46.3)

0.042

Treatments used for pain in past 3 months, n (%)

     

   OTC medications

5 (45.5)

21 (44.7)

19 (55.9)

25 (46.3)

0.766

   Street drugs

3 (27.3)

18 (38.3)

18 (52.9)

28 (51.9)

0.253

   Prescription medications††

1 (9.1)

13 (27.7)

21 (61.8)

30 (55.6)

< 0.001

   Alcohol

1 (9.1)

15 (31.9)

9 (26.5)

18 (33.3)

0.412

   Other therapies‡‡

3 (27.3)

14 (29.8)

4 (11.8)

14 (25.9)

--

Concurrent medical conditions

     

   Depression

4 (36.4)

15 (31.9)

16 (47.1)

23 (42.6)

0.532

   Arthritis

3 (27.3)

12 (25.5)

11 (32.4)

26 (48.1)

0.099

   Asthma

1 (9.1)

11 (23.4)

15 (44.1)

18 (33.3)

0.085

   Liver problems or hepatitis

2 (18.2)

11 (23.4)

10 (29.4)

19 (35.2)

0.502

   High blood pressure

3 (27.3)

9 (19.1)

10 (29.4)

18 (33.3)

0.452

   Migraine headaches

0 (0.0)

7 (14.9)

12 (35.3)

19 (35.2)

0.013

   COPD

1 (9.1)

7 (14.9)

7 (20.6)

14 (25.9)

0.425

   Stomach or intestinal ulcers

0 (0.0)

5 (10.6)

5 (14.7)

14 (25.9)

0.074

   Heart disease

0 (0.0)

2 (4.3)

7 (20.6)

8 (14.8)

0.068

   Other conditions

4 (36.4)

16 (34.0)

20 (58.8)

36 (66.7)

--

Count of concurrent medical conditions, mean (sd)

1.6 (0.9)

2.2 (1.8)

3.5 (2.1)

4.0 (2.7)

< 0.001

Substance use in past 3 months, n (%)† §§

     

   Alcohol

5 (45.5)

31 (66.0)

21 (61.8)

36 (66.7)

0.583

   Marijuana

2 (18.2)

23 (48.9)

21 (61.8)

26 (48.1)

0.093

   Cocaine and other stimulants

3 (27.3)

14 (29.8)

18 (52.9)

17 (31.5)

0.117

   Opiates***

3 (27.3)

16 (34.0)

16 (47.1)

17 (31.5)

0.435

   Sleeping pills or sedatives

2 (18.2)

8 (17.0)

7 (20.6)

10 (18.5)

0.983

   Other drugs

0 (0.0)

2 (4.3)

0 (0.0)

3 (5.6)

--

CAGE score, mean (sd)†††

0.6 (0.9)

1.2 (1.4)

1.3 (1.5)

1.6 (1.6)

0.500

  1. OTC = over the counter; COPD = chronic obstructive pulmonary disease (incl. chronic bronchitis and emphysema);
  2. -- = statistical test not performed
  3. Notes:
  4. *Chi-square test excludes transgendered participant
  5. Participants could select more than one option; percentages may not add to 100%
  6. In order to be eligible for the study, participates had to have pain lasting at least three months
  7. § Includes both spontaneous responses and those that were prompted
  8. **Among participants who are receiving medical care
  9. †† Must have been prescribed by physician
  10. ‡‡ Includes herbal remedies, acupuncture, physical therapy, psychotherapy, massage therapy, and relaxation techniques
  11. §§ Not prescribed by physician
  12. ***Includes Tylenol 2 or 3 containing codeine, oxycodone, morphine, heroin, methadone, and other opiates
  13. ††† Among participants who have used alcohol in past three months.