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Table 3 Multiple regression analysis with elevated mood (YMRS scores) at 1 year as dependent variable

From: Continued cannabis use at one year follow up is associated with elevated mood and lower global functioning in bipolar I disorder

  Block model summary for each step Contribution of separate variables for last step
Block no. variable R2 change F change Beta t P Value 95% CI of B
       Lower Upper
Constant   2.630 .011 .423 3.111
1 .098 6.526      
YMRS (Baseline)    .313 2.555 .013 .047 .389
2 .024 .791      
Sex    -.076 -.604 .548 −2.886 1.547
Age    -.152 −1.201 .235 -.179 .045
3 .042 2.862      
Premorbid childhood academic functioning    .212 −1.629 .096 -.140 1.664
4 .115 8.913      
Continued use of cannabis    .360 2.985 .004 1.729 8.781
  1. Total model: F 4.329 p = .002. Adj r2 .214.