Skip to main content

Table 2 Results of backward selection for interrupted time series parameters of Operation Clean Sweep and the Boston Medical Center bridge clinic visit volume. Boston, MA. June–September 2019

From: Effect of police action on low-barrier substance use disorder service utilization

 

Baseline

OCS level change

OCS slope change

After OCS level change

After OCS slope change

 

Estimate

Lower 95%

Upper 95%

P value

Estimate

Lower 95%

Upper 95%

P value

Estimate

Lower 95%

Upper 95%

P value

Estimate

Lower 95%

Upper 95%

P value

Estimate

Lower 95%

Upper 95%

P value

Full model

−0.021

−0.038

− 0.004

0.016

0.643

 − 0.286

1.573

0.171

− 0.100

− 0.197

− 0.002

0.045

1.442

0.502

2.383

0.003

0.141

0.041

0.241

0.007

Segment regression model results (General Internal Medicine clinics

Full model

0.002

− 0.09

0.013

0.697

− 0.066

− 0.701

0.570

0.836

− 0.020

− 0.079

0.040

0.515

0.070

− 0.530

0.670

0.816

0.026

− 0.035

0.087

0.396

Step 1

0.002

− 0.008

0.012

0.738

    

− 0.024

− 0.064

0.015

0.222

0.095

− 0.463

0.652

0.729

0.031

− 0.006

0.068

0.097

Step 2

        

− 0.20

− 0.047

0.008

0.166

0.080

− 0.455

0.615

0.765

0.028

− 0.004

0.061

0.088

Step 3

        

− 0.017

− 0.035

0.002

0.083

    

0.027

− 0.004

0.059

0.090