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Table 2 Effect estimates

From: Effects of study design and allocation on self-reported alcohol consumption: randomized trial

 

Effect ratio (95% CI)

 

Hypothesis 1 (control and intervention)/cohort

Hypothesis 2 intervention/control

1. Frequency of drinking

0.98 (0.94 to 1.02) P = 0.27

0.99 (0.94 to 1.03) P = 0.54

2. Typical occasion quantity

0.98 (0.95 to 1.02) P = 0.31

0.99 (0.96 to 1.03) P = 0.63

3. Overall volume consumed

0.96 (0.93 to 1.01) P = 0.09

0.97 (0.93 to 1.02) P = 0.25

4. Frequency of hangover

1.02 (0.96 to 1.09) P = 0.48

0.94 (0.88 to 1.01) P = 0.09

  1. All outcomes had a reference period of the preceding 4 weeks.