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Table 7 Changes in alcohol consumption only from baseline to 3 months by randomisation group

From: Breast cancer risk reduction - is it feasible to initiate a randomised controlled trial of a lifestyle intervention programme (ActWell) within a national breast screening programme?

  Intervention Control Between group differences #
   Difference to baseline    Difference to baseline Mean (95% CI)
n Mean(SD) Mean (95% CI) n Mean(SD) Mean (95% CI) p value
Units alcohol per week Baseline 22 10.4 (13.7)   27 10.8 (6.2)   
3 months 18 5.3 (5.1) −2.29 (−4.74 to 0.16) 26 5.6 (5.9) −5.1 (−7.58 to −2.63)* 1.20(−1.81 to 4.21)
p = 0.424
Alcohol free days per week Baseline 22 4.8 (2.3)   27 3.8 (1.2)   
3 months 18 5.4 (1.1) 1.1 (0.28 to 2.0)* 26 5.2 (1.9) 1.3 (0.56 to 2.06)* 0.05(−0.84 to 0.94)
p = 0.910
  1. #Adjusted for baseline value.
  2. *significant p < 0.05.