= 1,383,154 person-years) HR 95 CI Pack-years Smoked Ahead of Age 30 Years 1? (n = 1,085,062 person-years) HR
= 1,383,154 person-years) HR 95 CI Pack-years Smoked Ahead of Age 30 Years 1? (n = 1,085,062 person-years) HR 95 CI ten (n = 560,470 person-years) HR 95 CI Ptrendb…