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Table 3 Results of the multilevel Poisson model for sex without a condom 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 β002.700.0914.88 (12.47, 17.75)30.18190< 0.001
 Gender β010.090.171.09 (0.79, 1.53)0.541900.59
For days slope π1
 Intercept β10− 0.0010.00030.99 (0.998, 0.999)− 4.23592< 0.001
 Condition β110.00070.00041.00 (1.00, 1.00)1.905920.059
 Gender β120.00010.00041.00 (1.00, 1.00)0.355920.73
 Community treatment entry β130.000020.00051.00 (1.00, 1.00)0.045920.97
 Condition * community treatment entry β14− 0.0010.00070.99 (0.997, 1.00)− 2.155920.03
  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