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Table 6 Results of the multilevel Poisson model for sharing injection paraphernalia in the last 30 days

From: Longitudinal analysis of HIV-risk behaviors of participants in a randomized trial of prison-initiated buprenorphine

EffectbSEERR (95% CI)td.f.p
For intercept π0
 Intercept β002.510.2812.30 (7.11, 21.30)9.0594< 0.001
 Gender β010.320.421.38 (0.60, 3.19)0.77940.45
For days slope π1
 Intercept β10− 0.0040.0010.996 (0.993, 0.998)− 3.4118< 0.001
 Condition β110.0030.0021.00 (1.00, 1.00)1.921180.06
 Gender β120.00030.0021.00 (1.00, 1.00)0.201180.84
 Community treatment entry β13− 0.0070.0040.99 (0.99, 1.00)− 1.721180.09
 Condition * community treatment entry β14
  1. N = 211. b denotes the unstandardized partial regression coefficient; SE denotes its standard error. ERR denotes the event rate ratio for a one unit increase in the given variable. t denotes the t statistic for the given parameter estimate and d.f. is its degrees of freedom. Participant gender; male = 0; female = 1. Treatment condition; buprenorphine initiated in the community = 0; buprenorphine initiated in prison = 1. Whether or not the participant entered community treatment within 10 days of release from prison; no = 0; yes = 1