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. 2006 Dec;61(Suppl 2):ii57–ii133.

Abstract P078 Average increase in FEV1% per piece of fruit consumed daily by smoking status.

Smoking status n Unadjusted Adjusted
Increase (95% CI) p Value Increase (95% CI) p Value
Never 571 0.03 (−1.50, 1.50) 0.97 −0.69 (−2.16, 0.78) 0.36
Former 628 0.90 (−0.75, 2.60) 0.28 1.23 (−0.47, 2.93) 0.15
Current 580 3.66 ( 1.55, 5.70) 0.001 2.60 ( 0.51, 4.79) 0.02
Test for interaction p = 0.025 p = 0.03