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Table 5 Negative binomial regression analysis to estimate the effect of substance dependence on acute hospital admissions during the post randomization period among “At Home” participants (n = 381)

From: Emergency department use and hospitalizations among homeless adults with substance dependence and mental disorders

Variable

Unadjusted RR (95% CI)

p value

Adjusted RR (95% CI)

Substance dependence (yes vs. no)

1.15 (0.81, 1.65)

0.433

1.21 (0.83, 1.77)

Housing first interventions (yes vs. no)

1.08 (0.75, 1.56)

0.682

0.65 (0.25, 1.72)

Need level (high vs. moderate)

1.42 (0.99, 2.03)

0.056

0.88 (0.58, 1.35)

Age at randomization (per year)

0.98 (0.97, 1.00)

0.044

0.99 (0.97, 1.01)

Age of first homelessness

1.00 (0.98, 1.01)

0.475

1.00 (0.98, 1.02)

Female gender

1.04 (0.70, 1.54)

0.844

1.05 (0.71, 1.55)

Aboriginals

0.83 (0.48, 1.44)

0.508

0.89 (0.51, 1.53)

White

0.97 (0.65, 1.45)

0.897

1.06 (0.73, 1.56)

Other

Reference

 

Reference

Education (incomplete high school)

1.35 (0.95, 1.93)

0.095

1.27 (0.88, 1.83)

Single/never married

1.42 (0.97, 2.08)

0.070

 

Income ($800 CDN or more) in past month

1.23 (0.87, 1.75)

0.247

 

Hospital admissions before randomization (last year)

1.34 (1.20, 1.50)

<0.001

1.33 (1.19, 1.49)

Less severe cluster of mental disorders

0.65 (0.46, 0.92)

0.015

0.76 (0.53, 1.10)

Severe cluster of mental disorders

2.12 (1.42, 3.17)

<0.001

1.76 (1.09, 2.86)

Chronic health conditions (≥3)

0.75 (0.51, 1.09)

0.127

0.99 (0.67, 1.46)

Blood-borne infectious disease (HIV, hepatitis B or C)

0.92 (0.63, 1.35)

0.682

 

Have a regular medical doctor

0.70 (0.48, 1.01)

0.053

0.78 (0.54, 1.12)

Place to go when you are sick

1.28 (0.81, 2.01)

0.284

 

Needed health care, but didn’t receive it

0.81 (0.57, 1.16)

0.260