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Table 3 Patient-, physician- and system-level factors associated with delivery of screening by treatment arm

From: Physician versus non-physician delivery of alcohol screening, brief intervention and referral to treatment in adult primary care: the ADVISe cluster randomized controlled implementation trial

 

PCP Arm

NPP & MA Arm

Coefficient value

Std. err.

OR

95% CI

p value

Coefficient value

Std. err.

OR

95% CI

p value

Patient level

 Age

  18–24 vs. ≥60

−0.1018

0.0430

0.90

(0.83, 0.98)

0.018

−0.1726

0.0656

0.84

(0.74 , 0.96)

0.009

  25–44 vs. ≥60

−0.1582

0.0303

0.85

(0.80, 0.91)

0.000

−0.1329

0.0426

0.88

(0.81, 0.95)

0.002

  45–59 vs. ≥60

−0.1074

0.0280

0.90

(0.85, 0.95)

0.000

−0.1319

0.0408

0.88

(0.81, 0.95)

0.001

 Gender

  Female vs. Male

−0.2447

0.0217

0.78

(0.75, 0.82)

0.000

−0.2008

0.0305

0.82

(0.77, 0.87)

0.000

 Comorbid psychiatric conditions

  Yes vs. no

0.1231

0.0269

1.13

(1.07, 1.19)

0.000

0.2436

0.0383

1.28

(1.18, 1.38)

0.000

 Chronic diseases

  Yes vs. no

0.1934

0.0243

1.21

(1.16, 1.27)

0.000

0.3407

0.0345

1.41

(1.31, 1.50)

0.000

Physician level

 Age

  (per 1 year increase)

−0.2183

0.0034

0.80

(0.80, 0.81)

0.000

     

 Gender

  Female vs. male

1.1647

0.0247

3.21

(3.05, 3.36)

0.000

     

 Race/ethnicity

  Non-white vs. white

1.4355

0.0263

4.20

(3.99, 4.42)

0.000

     

 Years of services at the health plan

  (per 1 year increase)

0.2587

0.0032

1.30

(1.29, 1.30)

0.000

     

 Specialty

  Non-internal medicine vs. internal medicine

3.0877

0.0366

21.93

(20.41, 23.56)

0.000

     

System level

 Colocation of AOD and primary care departments

  Yes vs. no

−2.3244

0.0689

0.10

(0.09, 0.11)

0.000

−0.4432

0.2274

0.64

(0.41, 1.00)

0.051

 MA/PCP ratio at the clinic

−0.4393

0.0493

0.64

(0.59, 0.71)

0.000

3.0850

0.0748

21.87

(18.89, 25.32)

0.000

 Ave. visit time

0.3606

0.0097

1.43

(1.41, 1.46)

0.000

0.1379

0.0104

1.15

(1.12, 1.17)

0.000

 Number of PCPs trained at the clinic

−0.0387

0.0047

0.96

(0.95, 0.97)

0.000

     
  1. A three-level multivariate logistic model adjusting for clustering effects within physician and clinic was run for each of the two intervention arms
  2. PCP primary care physicians, NPP non-physician providers, MA medical assistants, AOD alcohol and other drug