Maternal consumption of coffee and tea during pregnancy and risk of childhood ALL: a pooled analysis from the childhood Leukemia International Consortium

Elizabeth Milne, Kathryn R. Greenop, Eleni Petridou, Helen D. Bailey, Laurent Orsi, Alice Y. Kang, Margarita Baka, Audrey Bonaventure, Maria Kourti, Catherine Metayer, Jacqueline Clavel

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Purpose: The early onset of childhood acute lymphoblastic leukemia (ALL) suggests that critical exposures occurring during pregnancy may increase risk. We investigated the effects of maternal coffee and tea consumption during pregnancy on ALL risk by pooling data from eight case–control studies participating in the Childhood Leukemia International Consortium. Method: Data on maternal coffee intake were available for 2,552 cases and 4,876 controls, and data on tea intake were available for 2,982 cases and 5,367 controls. Coffee and tea intake was categorized into 0, > 0–1, > 1–2, and > 2 cups/day, and covariates were combined and harmonized. Data on genetic variants in NAT2, CYP1A1, and NQO1 were also available in a subset. Pooled odds ratios (ORs) and 95% confidence intervals (CIs) were estimated using unconditional logistic regression, and linear trends across categories were assessed. Results: No association was seen with ‘any’ maternal coffee consumption during pregnancy, but there was evidence of a positive exposure–response; the pooled OR for > 2 cups/day versus none was 1.27 (95% CI 1.09–1.43), p trend = 0.005. No associations were observed with tea consumption. No interactions were seen between coffee or tea intake and age, maternal smoking or genotype, and there was little or no evidence that associations with coffee or tea differed among cases with and without chromosomal translocations. Conclusions: Despite some limitations, our findings suggest that high coffee intake during pregnancy may increase risk of childhood ALL. Thus, current advice to limit caffeine intake during pregnancy to reduce risk of preterm birth may have additional benefits.

Original languageEnglish
Pages (from-to)539-550
Number of pages12
JournalCancer Causes and Control
Volume29
Issue number6
DOIs
Publication statusPublished - 1 Jun 2018

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Coffee
Tea
Precursor Cell Lymphoblastic Leukemia-Lymphoma
Leukemia
Mothers
Pregnancy
Odds Ratio
Confidence Intervals
Genetic Translocation
Cytochrome P-450 CYP1A1
Premature Birth
Maternal Age
Caffeine
Meta-Analysis
Logistic Models
Smoking
Genotype

Cite this

Milne, Elizabeth ; Greenop, Kathryn R. ; Petridou, Eleni ; Bailey, Helen D. ; Orsi, Laurent ; Kang, Alice Y. ; Baka, Margarita ; Bonaventure, Audrey ; Kourti, Maria ; Metayer, Catherine ; Clavel, Jacqueline. / Maternal consumption of coffee and tea during pregnancy and risk of childhood ALL : a pooled analysis from the childhood Leukemia International Consortium. In: Cancer Causes and Control. 2018 ; Vol. 29, No. 6. pp. 539-550.
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title = "Maternal consumption of coffee and tea during pregnancy and risk of childhood ALL: a pooled analysis from the childhood Leukemia International Consortium",
abstract = "Purpose: The early onset of childhood acute lymphoblastic leukemia (ALL) suggests that critical exposures occurring during pregnancy may increase risk. We investigated the effects of maternal coffee and tea consumption during pregnancy on ALL risk by pooling data from eight case–control studies participating in the Childhood Leukemia International Consortium. Method: Data on maternal coffee intake were available for 2,552 cases and 4,876 controls, and data on tea intake were available for 2,982 cases and 5,367 controls. Coffee and tea intake was categorized into 0, > 0–1, > 1–2, and > 2 cups/day, and covariates were combined and harmonized. Data on genetic variants in NAT2, CYP1A1, and NQO1 were also available in a subset. Pooled odds ratios (ORs) and 95{\%} confidence intervals (CIs) were estimated using unconditional logistic regression, and linear trends across categories were assessed. Results: No association was seen with ‘any’ maternal coffee consumption during pregnancy, but there was evidence of a positive exposure–response; the pooled OR for > 2 cups/day versus none was 1.27 (95{\%} CI 1.09–1.43), p trend = 0.005. No associations were observed with tea consumption. No interactions were seen between coffee or tea intake and age, maternal smoking or genotype, and there was little or no evidence that associations with coffee or tea differed among cases with and without chromosomal translocations. Conclusions: Despite some limitations, our findings suggest that high coffee intake during pregnancy may increase risk of childhood ALL. Thus, current advice to limit caffeine intake during pregnancy to reduce risk of preterm birth may have additional benefits.",
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Maternal consumption of coffee and tea during pregnancy and risk of childhood ALL : a pooled analysis from the childhood Leukemia International Consortium. / Milne, Elizabeth; Greenop, Kathryn R.; Petridou, Eleni; Bailey, Helen D.; Orsi, Laurent; Kang, Alice Y.; Baka, Margarita; Bonaventure, Audrey; Kourti, Maria; Metayer, Catherine; Clavel, Jacqueline.

In: Cancer Causes and Control, Vol. 29, No. 6, 01.06.2018, p. 539-550.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Maternal consumption of coffee and tea during pregnancy and risk of childhood ALL

T2 - a pooled analysis from the childhood Leukemia International Consortium

AU - Milne, Elizabeth

AU - Greenop, Kathryn R.

AU - Petridou, Eleni

AU - Bailey, Helen D.

AU - Orsi, Laurent

AU - Kang, Alice Y.

AU - Baka, Margarita

AU - Bonaventure, Audrey

AU - Kourti, Maria

AU - Metayer, Catherine

AU - Clavel, Jacqueline

PY - 2018/6/1

Y1 - 2018/6/1

N2 - Purpose: The early onset of childhood acute lymphoblastic leukemia (ALL) suggests that critical exposures occurring during pregnancy may increase risk. We investigated the effects of maternal coffee and tea consumption during pregnancy on ALL risk by pooling data from eight case–control studies participating in the Childhood Leukemia International Consortium. Method: Data on maternal coffee intake were available for 2,552 cases and 4,876 controls, and data on tea intake were available for 2,982 cases and 5,367 controls. Coffee and tea intake was categorized into 0, > 0–1, > 1–2, and > 2 cups/day, and covariates were combined and harmonized. Data on genetic variants in NAT2, CYP1A1, and NQO1 were also available in a subset. Pooled odds ratios (ORs) and 95% confidence intervals (CIs) were estimated using unconditional logistic regression, and linear trends across categories were assessed. Results: No association was seen with ‘any’ maternal coffee consumption during pregnancy, but there was evidence of a positive exposure–response; the pooled OR for > 2 cups/day versus none was 1.27 (95% CI 1.09–1.43), p trend = 0.005. No associations were observed with tea consumption. No interactions were seen between coffee or tea intake and age, maternal smoking or genotype, and there was little or no evidence that associations with coffee or tea differed among cases with and without chromosomal translocations. Conclusions: Despite some limitations, our findings suggest that high coffee intake during pregnancy may increase risk of childhood ALL. Thus, current advice to limit caffeine intake during pregnancy to reduce risk of preterm birth may have additional benefits.

AB - Purpose: The early onset of childhood acute lymphoblastic leukemia (ALL) suggests that critical exposures occurring during pregnancy may increase risk. We investigated the effects of maternal coffee and tea consumption during pregnancy on ALL risk by pooling data from eight case–control studies participating in the Childhood Leukemia International Consortium. Method: Data on maternal coffee intake were available for 2,552 cases and 4,876 controls, and data on tea intake were available for 2,982 cases and 5,367 controls. Coffee and tea intake was categorized into 0, > 0–1, > 1–2, and > 2 cups/day, and covariates were combined and harmonized. Data on genetic variants in NAT2, CYP1A1, and NQO1 were also available in a subset. Pooled odds ratios (ORs) and 95% confidence intervals (CIs) were estimated using unconditional logistic regression, and linear trends across categories were assessed. Results: No association was seen with ‘any’ maternal coffee consumption during pregnancy, but there was evidence of a positive exposure–response; the pooled OR for > 2 cups/day versus none was 1.27 (95% CI 1.09–1.43), p trend = 0.005. No associations were observed with tea consumption. No interactions were seen between coffee or tea intake and age, maternal smoking or genotype, and there was little or no evidence that associations with coffee or tea differed among cases with and without chromosomal translocations. Conclusions: Despite some limitations, our findings suggest that high coffee intake during pregnancy may increase risk of childhood ALL. Thus, current advice to limit caffeine intake during pregnancy to reduce risk of preterm birth may have additional benefits.

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