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TABLE 5

Multivariate Analyses of Health Services Use Over 3 Years Postscreening

Rate Ratio95% CIP
ED use     
 SBIRT group (reference = UC) 0.65 0.44 0.97 ** 
 Female (reference = male) 1.82 1.18 2.80 ** 
 Age 1.18 1.02 1.36 ** 
 Race and ethnicity     
  Asian American 0.27 0.10 0.72 ** 
  Black 1.30 0.77 2.21 — 
  Hispanic 1.29 0.73 2.27 — 
  Unknown or missing 1.12 0.49 2.54 — 
Psychiatric treatment use     
 SBIRT group (reference = UC) 1.00 0.55 1.85 — 
 Female (reference = male) 1.41 0.76 2.62 — 
 Age 0.70 0.57 0.87 ** 
 Race and ethnicity (reference = white)     
  Asian American 0.20 0.06 0.63 ** 
  Black 0.32 0.14 0.70 ** 
  Hispanic 0.43 0.18 1.04 * 
  Unknown or missing 0.93 0.27 3.17 — 
Primary care use     
 SBIRT group (reference = UC) 0.89 0.69 1.15 — 
 Female (reference = male) 1.64 1.26 2.14 ** 
 Age 0.92 0.84 1.01 * 
 Race and ethnicity (reference = white)     
  Asian American 0.85 0.53 1.37 — 
  Black 1.09 0.78 1.50 — 
  Hispanic 1.10 0.77 1.57 — 
  Unknown or missing 1.30 0.77 2.17 — 
All outpatient use     
 SBIRT group (reference = UC) 0.89 0.65 1.22 — 
 Female (reference = male) 1.22 0.89 1.69 — 
 Age 0.91 0.82 1.01 * 
 Race and ethnicity (reference = white)     
  Asian American 0.46 0.25 0.83 ** 
  Black 0.59 0.39 0.88 ** 
  Hispanic 1.11 0.71 1.74 — 
  Unknown or missing 1.39 0.45 1.61 — 
Rate Ratio95% CIP
ED use     
 SBIRT group (reference = UC) 0.65 0.44 0.97 ** 
 Female (reference = male) 1.82 1.18 2.80 ** 
 Age 1.18 1.02 1.36 ** 
 Race and ethnicity     
  Asian American 0.27 0.10 0.72 ** 
  Black 1.30 0.77 2.21 — 
  Hispanic 1.29 0.73 2.27 — 
  Unknown or missing 1.12 0.49 2.54 — 
Psychiatric treatment use     
 SBIRT group (reference = UC) 1.00 0.55 1.85 — 
 Female (reference = male) 1.41 0.76 2.62 — 
 Age 0.70 0.57 0.87 ** 
 Race and ethnicity (reference = white)     
  Asian American 0.20 0.06 0.63 ** 
  Black 0.32 0.14 0.70 ** 
  Hispanic 0.43 0.18 1.04 * 
  Unknown or missing 0.93 0.27 3.17 — 
Primary care use     
 SBIRT group (reference = UC) 0.89 0.69 1.15 — 
 Female (reference = male) 1.64 1.26 2.14 ** 
 Age 0.92 0.84 1.01 * 
 Race and ethnicity (reference = white)     
  Asian American 0.85 0.53 1.37 — 
  Black 1.09 0.78 1.50 — 
  Hispanic 1.10 0.77 1.57 — 
  Unknown or missing 1.30 0.77 2.17 — 
All outpatient use     
 SBIRT group (reference = UC) 0.89 0.65 1.22 — 
 Female (reference = male) 1.22 0.89 1.69 — 
 Age 0.91 0.82 1.01 * 
 Race and ethnicity (reference = white)     
  Asian American 0.46 0.25 0.83 ** 
  Black 0.59 0.39 0.88 ** 
  Hispanic 1.11 0.71 1.74 — 
  Unknown or missing 1.39 0.45 1.61 — 

—, not significant.

*

P < .10.

**

P < .05.

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