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. Author manuscript; available in PMC: 2014 Mar 1.
Published in final edited form as: Am J Community Psychol. 2013 Mar;51(0):264–277. doi: 10.1007/s10464-012-9529-3

Table 4.

Results of logistic regression models examining main effects of the intervention1 on primary outcomes.

Current use Binge use Perceived
Availability
Compliance sales
Fixed Effects (referent category)       B (95% CI)       B (95% CI)       B (95% CI)       B (95% CI)
    Intercept −0.178 (−0.276, −0.080)*** −0.930 (−1.040, −0.820)***   0.198 (0.135, 0.261)*** −1.477 (−1.834, −1.120)***
    Gender (female)   0.080 (0.025, 0.135)***   0.258 (0.195, 0.321)*** −0.018 (−0.073, 0.037)       --
    Minority status (white)   0.055 (−0.012, 0.122)*   0.041 (−0.033, 0.115)   0.029 (−0.036, 0.094)       --
    % FRPL   0.000 (−0.004, 0.004)   0.002 (−0.004, 0.008)   0.000 (−0.004, 0.004)       --
    % minority −0.005 (−0.011, 0.000)** −0.007 (−0.013, −0.001)** −0.001 (−0.005, 0.003)       --
    Clerk age       --       --       -- −0.020 (−0.030, −0.010)***
    Number of clerks       --       --       -- −0.173 (−0.255, −0.091)***
    Time (pre-intervention) −0.175 (−0.261, −0.089)*** −0.200 (−0.298, −0.102)*** −0.303 (−0.385, −0.221)*** −0.737 (−1.125, −0.349)***
    Condition (control)   0.056 (−0.083, 0.195)   0.055 (−0.098, 0.208) −0.004 (−0.092, 0.084)   0.304 (−0.200, 0.808)
    Time*condition   0.037 (−0.083, 0.157)   0.067 (−0.068, 0.202)   0.096 (−0.020, 0.212) −0.952 (−1.556, −0.348)***
Adjusted means       Mean (95% CI)       Mean (95% CI)       Mean (95% CI)       Mean (95% CI)
    Control at baseline   0.451 (0.426, 0.476)   0.280 (0.256, 0.304)   0.549 (0.533, 0.565)   0.187 (0.132, 0.242)
    Control at follow-up   0.408 (0.383, 0.433)   0.241 (0.219, 0.263)   0.473 (0.455, 0.491)   0.099 (0.060, 0.138)
    Intervention at baseline   0.465 (0.441, 0.489)   0.291 (0.269, 0.313)   0.548 (0.532, 0.564)   0.237 (0.172, 0.302)
    Intervention at follow-up   0.431 (0.406, 0.456)   0.264 (0.240, 0.288)   0.496 (0.476, 0.516)   0.054 (0.029, 0.079)
1

Intervention effects are captured in the regression coefficient (B) for the time by condition interaction term.

*

p<.10

**

p<.05

***

p<.01

Note. Covariates not in the model are indicated by blank cells in the table.