Skip to main content

Table 4 GEE regression results

From: A smartphone app intervention for adult cannabis users wanting to quit or reduce their use: a pilot evaluation

  B SE Exp(B) Wald X2 p
Dependent variable: Days used (n = 111/93/75)
 Time 27.512 < .001
 RCQ 8.411 .004
 RCQ x Time 11.593 .003*
 Gender .064 .0652 1.066 .959 .327
 Reduce vs Quit .117 .0592 1.124 3.887 .049
 Past attempt .145 .0906 1.156 2.550 .110
Dependent variable: DTCQ8 (n = 111/93/75)
 Time 3.274 .195
 RCQ 8.543 .003*
 RCQ x Time .780 .677
 Gender .115 .3397 .892 .114 .735
 Reduce vs Quit −.433 .3501 1.541 1.528 .216
 Past attempt −.392 .3475 1.480 1.272 .259
Dependent variable: SDS score (n = 98a/93/75)
 Time 13.920 .001*
 RCQ 16.034 < .001*
 RCQ x Time .466 .792
 Gender −.038 .1246 .962 .095 .758
 Reduce vs Quit .458 .1097 1.581 17.430 < .001*
 Past attempt .302 .1293 1.353 5.465 .019
Dependent variable: CPQ score (n = 111/93/75)
 Time 61.172 < .001*
 RCQ 2.824 .093
 RCQ x Time 5.278 .071
 Gender −.082 .6818 .921 .014 .904
 Reduce vs Quit 1.159 .7092 3.185 2.669 .102
 Past attempt 1.445 .7204 4.240 4.020 .045
  1. asome participants had items of the SDS questionnaire missing at baseline due to a questionnaire error. These participants were omitted from these analyses
  2. * p < .015