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. Author manuscript; available in PMC: 2018 Dec 1.
Published in final edited form as: J Consult Clin Psychol. 2017 Dec;85(12):1131–1143. doi: 10.1037/ccp0000252

Table 2.

Fixed and random effect parameter estimates regarding contemporaneous nicotine use

Fixed Effects Estimate SE t p OR [95% CI]

  Intercepta −4.89*** 0.61 −7.93 <.001 - -
  Within-person effects
    SGM-based discrimination 1.09* .43 2.50 .015 2.99 [1.24, 7.21]
    Other mistreatment .70* .29 2.34 .023 2.02 [1.10, 3.69]
  Between-person covariates
    SGM-based discrimination 8.30 9.28 .90 .375 >999.00 [<.00, >999.00]
    Other mistreatment −2.11 10.47 −.20 .841 .12 [<.00, >999.00]
  Time
    Period 1 (reference) - - - - - -
    Period 2 −.57* .22 −2.50 .016 .56 [.35, .89]
    Period 3 −.33 .22 −1.49 .142 .71 [.46, 1.12]
    Period 4 −.92*** .22 −4.07 <.001 .39 [.25, .62]
    Period 5 −.55* .22 −2.45 .017 .57 [.36, .90]
    Period 6 −.29 .22 −1.35 .182 .74 [.47, 1.15]
    Weekend .01 .12 .04 .965 1.00 [.77, 1.29]

Random effects Estimate SE t p - [95% CI]

  Level 2
    Interceptb 13.02*** 3.24 4.01 <.001 - [6.66, 19.37]
  Level 1
    Autocorrelation −.01 .02 −.50 .309 - [−.04, .02]
    Residual .29*** .01 36.25 <.001 - [.27, .30]

Note: Period lags were dummy coded with Period 1 (10am–12pm) serving as the reference. OR = Odds Ratio; 95% CI = 95% Confidence Interval.

a

Intercept represents average nicotine use value for participants’ first prompt of the day (reference, coded 0) on a weekday (coded 0).

b

This parameter estimate represents between person variance regarding average nicotine use (fixed intercept estimate)

p < .10,

*

p < .05,

**

p < .01,

***

p < .001