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Title: Breastfeeding leads to lower blood pressure in 7-year-old Japanese children: Tohoku Study of Child Development
Authors: Hosaka, Miki
Asayama, Kei ×
Staessen, Jan A
Ohkubo, Takayoshi
Hayashi, Katsuhisa
Tatsuta, Nozomi
Kurokawa, Naoyuki
Satoh, Michihiro
Hashimoto, Takanao
Hirose, Takuo
Obara, Taku
Metoki, Hirohito
Inoue, Ryusuke
Kikuya, Masahiro
Nakai, Kunihiko
Imai, Yutaka
Satoh, Hiroshi #
Issue Date: Feb-2013
Publisher: The Society
Series Title: Hypertension research : official journal of the Japanese Society of Hypertension vol:36 issue:2 pages:117-22
Article number: 10.1038/hr.2012.128
Abstract: This study investigated the association between breastfeeding and both self-measured home blood pressure (HBP) and conventional blood pressure (CBP) in 7-year-old Japanese children. We obtained data pertaining to breastfeeding and blood pressure for 377 mother-offspring pairs from the Tohoku Study of Child Development, which is a prospective birth cohort study. Information on breastfeeding and other factors were obtained from parental questionnaires during the follow-up period. Based on the duration of breastfeeding as a major source of nutrition, mother-offspring pairs were divided into short-term (mean, 5.1 months) and long-term (mean, 11.3 months) breastfeeding groups. At the age of 7 years (84.4±1.8 months), each child's blood pressure was measured. The HBP in the long-term breastfeeding (LBF) group (92.8 mm Hg systolic/55.0 mm Hg diastolic) was significantly lower (P=0.006/0.03) than in the short-term breastfeeding group (94.5/56.3 mm Hg); however, there were no significant differences in the CBP measurements between the short- and LBF groups. Using multiple regression analysis, the duration of breastfeeding (greater than 8 months) was more strongly associated with HBP (P=0.01/0.06) than with CBP (P=0.4/0.8). Furthermore, the adjusted R-squared values for HBP (0.25/0.12) tended to be higher than those for CBP (0.07/0.04). These findings were independent of the birth weight. In conclusion, breastfeeding has a protective effect against elevated blood pressure even in young children, and subtle, but important, differences were precisely detected by self-measurements performed at home.Hypertension Research advance online publication, 6 September 2012; doi:10.1038/hr.2012.128.
ISSN: 0916-9636
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Hypertension and Cardiovascular Epidemiology
× corresponding author
# (joint) last author

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