Question 5. Researchers wanted to know whether body mass index increases risk of distant recurrence of breast cancer and conducted a study a study among 1,360 women age

Answer parts a and b please

Extracted text: Question 5. Researchers wanted to know whether body mass index increases risk of distant recurrence of breast cancer and conducted a study a study among 1,360 women age <60 years="" with="" breast="" cancer.="" the="" figure="" below="" presents="" the="" relative="" risks="" and="" 95%="" confidence="" intervals="" for="" distant="" recurrence="" by="" body="" mass="" index.="" use="" the="" figure="" to="" answer="" the="" questions="" below.="" assume="" that="" the="" reference="" group="" is="" a="" bmi="" of="" 18.5="" kg/m2="" and="" that="" the="" other="" categories="" represent="" 19,="" 21,="" 23,="" 24,="" 27,="" and="" 33="" kg/m?.="" 15="" 20="" 25="" 30="" 35="" body="" mass="" index="" estimate="" for="" sextiles="" h="" 95%="" ci="" a.="" interpret="" the="" first="" and="" the="" last="" relative="" risk="" and="" 95%="" confidence="" interval.="" (be="" specific.)="" b.="" based="" on="" the="" data="" in="" this="" figure,="" what="" do="" you="" conclude="" about="" the="" association="" of="" body="" mass="" index="" with="" distant="" recurrence="" of="" breast="">