Childhood body mass index and risk of adult pancreatic cancer
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Childhood body mass index and risk of adult pancreatic cancer. / Nogueira, Leticia; Stolzenberg-Solomon, Rachael; Gamborg, Michael; Sørensen, Thorkild I A; Baker, Jennifer L.
I: Current Opinion in Clinical Nutrition and Metabolic Care, Bind 1, Nr. 10, 10.2017.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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T1 - Childhood body mass index and risk of adult pancreatic cancer
AU - Nogueira, Leticia
AU - Stolzenberg-Solomon, Rachael
AU - Gamborg, Michael
AU - Sørensen, Thorkild I A
AU - Baker, Jennifer L
PY - 2017/10
Y1 - 2017/10
N2 - Background: Excess weight in adulthood is one of the few modifiable risk factors for pancreatic cancer, and height has associations as well. This leads to question whether body weight and height in childhood are associated with adult pancreatic cancer.Objective: To examine if childhood body mass index (BMI; kg/m2) and height are associated with pancreatic cancer in adult life.Methods: We linked 293,208 children born from 1930-1982 in the Copenhagen School Health Records Register who had measured values of weights and heights at ages 7-13 years with the Danish Cancer Registry to identify incident pancreatic cancer cases from 1968-2012. Hazard ratios (HR) and 95% confidence intervals (CI) were estimated using Cox proportional hazard regressions.Results: During 8,207,015 person-years of follow-up, 1,268 pancreatic cancer cases were diagnosed. Childhood BMI z-scores at ages 7-13 years were positively and significantly associated with pancreatic cancer in men and women up to age 70 years; beyond age 70 the associations diminished. The HRs of pancreatic cancer were 1.13 (95% CI: 1.05-1.21) and 1.18 (95% CI: 1.09-1.27) per BMI z-score at ages 7 and 13 years, respectively. A BMI ≥1.5 z-score at ages 7, 10 and 13 years was positively and significantly associated with pancreatic cancer; however, the effect did not differ from having a BMI z-score ≥1.5 at only one of these ages. Positive, albeit non-statistically significant, associations were identified with height.Conclusions: BMI at all ages from 7-13 years is positively and linearly associated with adult pancreatic cancer; the higher the BMI, the higher the risk. Excess childhood BMI may be indicative of processes initiated early in life that lead to this cancer. Prevention of childhood adiposity may decrease the burden of pancreatic cancer in adults.
AB - Background: Excess weight in adulthood is one of the few modifiable risk factors for pancreatic cancer, and height has associations as well. This leads to question whether body weight and height in childhood are associated with adult pancreatic cancer.Objective: To examine if childhood body mass index (BMI; kg/m2) and height are associated with pancreatic cancer in adult life.Methods: We linked 293,208 children born from 1930-1982 in the Copenhagen School Health Records Register who had measured values of weights and heights at ages 7-13 years with the Danish Cancer Registry to identify incident pancreatic cancer cases from 1968-2012. Hazard ratios (HR) and 95% confidence intervals (CI) were estimated using Cox proportional hazard regressions.Results: During 8,207,015 person-years of follow-up, 1,268 pancreatic cancer cases were diagnosed. Childhood BMI z-scores at ages 7-13 years were positively and significantly associated with pancreatic cancer in men and women up to age 70 years; beyond age 70 the associations diminished. The HRs of pancreatic cancer were 1.13 (95% CI: 1.05-1.21) and 1.18 (95% CI: 1.09-1.27) per BMI z-score at ages 7 and 13 years, respectively. A BMI ≥1.5 z-score at ages 7, 10 and 13 years was positively and significantly associated with pancreatic cancer; however, the effect did not differ from having a BMI z-score ≥1.5 at only one of these ages. Positive, albeit non-statistically significant, associations were identified with height.Conclusions: BMI at all ages from 7-13 years is positively and linearly associated with adult pancreatic cancer; the higher the BMI, the higher the risk. Excess childhood BMI may be indicative of processes initiated early in life that lead to this cancer. Prevention of childhood adiposity may decrease the burden of pancreatic cancer in adults.
KW - Journal Article
U2 - 10.3945/cdn.117.001362
DO - 10.3945/cdn.117.001362
M3 - Journal article
C2 - 29388617
VL - 1
JO - Current Opinion in Clinical Nutrition and Metabolic Care
JF - Current Opinion in Clinical Nutrition and Metabolic Care
SN - 1363-1950
IS - 10
ER -
ID: 189765485