10 Despite the elevated baseline mean BMI of 28.5 (SD 5.4), our own analysis showed a trend toward median weight gain of 3 kg (IQR −1.7 to 7.4).
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The sentences
Similarly, abstainers had gained more weight than intermittent smokers; however, the difference did not reach statistical significance (difference in means 2.8 kg; 95% CI −0.1 to 5.7) (Figure 2 ).