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Table 2 Average sojourn time (excursion time), standard error (SE), and 95% lower and upper bounds associated with the MC model. For motivational interviewing, the sojourn time was much shorter than the other two interventions

From: Effectiveness of motivational interviewing, health education and brief advice in a population of smokers who are not ready to quit

  Estimates SE Lower Upper
Motivational Interviewing (MI)
 unmotivated 2.1041 2.7413 0.1637 27.0420
 indecisive 0.4441 1.0043 0.0053 37.3495
 motivated 0.4704 1.1268 0.0044 51.4695
Health Education (HE)
 unmotivated 15.883 2.3698 11.8558 21.2784
 indecisive 9.6538 4.2429 4.0793 22.8459
 motivated 7.7423 2.7391 3.8702 15.4884
Brief Advice (BA)
 unmotivated 10.4213 2.6934 6.2796 17.2948
 indecisive 8.3947 2.6351 4.5375 15.5309
 motivated 24.1047 14.0375 7.6984 75.4752
  1. Note: The confidence intervals were calculated by simulating 1000 random vectors from the asymptotic multivariate normal distribution implied by the maximum likelihood estimates of the log transition intensities