Table 2 Baseline characteristics

Age (years): range

26–59

45–61

    Mean ± standard deviation

41 ± 11

55 ± 5

Race: N (%)

    White

12 (75.0)

3 (37.5)

    Black

1 (6.3)

4 (50.0)

Other/unknown

3 (18.8)

1 (12.5)

Male sex: N (%)

16 (100)

7 (87.5)

Comorbidity: N (%)

    Depression

11 (68.8)

3 (37.5)

    Anxiety or panic

9 (56.3)

2 (25.0)

    Post-traumatic stress disorder (PTSD)

7 (43.8)

2 (25.0)

    Suicidality: ideation or attempt

7 (43.8)

1 (12.5)

    Substance use disorder

15 (93.8)

6 (75.0)

    Chronic pain

7 (43.8)

5 (62.5)

    Tobacco use

9 (56.3)

2 (25.0)

Duration of domiciliary stay (months): range

2.8–12.6

1.5–8.4

    Mean ± standard deviation

6.4 ± 2.8

6.0 ± 2.4