Association of Body Size at Birth and Childhood Growth with Hip Fractures in Older Age : An Exploratory Follow-up of the Helsinki Birth Cohort Study
Mikkola, T., von Bonsdorff, M., Osmond, C., Salonen, M. K., Kajantie, E., & Eriksson, J. G. (2017). Association of Body Size at Birth and Childhood Growth with Hip Fractures in Older Age : An Exploratory Follow-up of the Helsinki Birth Cohort Study. Journal of Bone and Mineral Research, 32 (6), 1194-1200. doi:10.1002/jbmr.3100
Published inJournal of Bone and Mineral Research
DisciplineGerontologia ja kansanterveys
© 2017 American Society for Bone and Mineral Research. This is a final draft version of an article whose final and definitive form has been published by Wiley. Published in this repository with the kind permission of the publisher.
Childhood growth has been linked with bone properties in adulthood, whereas less is known about the contribution of early growth to bone fracture risk. We investigated the association of body size at birth and childhood growth with hip fractures and pharmacotherapy for osteoporosis in older age. Men and women, born full term, from the Helsinki Birth Cohort Study (n = 8345) were followed until the age of 68 to 80 years. Height and weight from birth to 11 years were obtained from health care records and diagnoses of hip fractures and osteoporosis drug purchases from national registers. Independent associations of each age period were analyzed using Cox models adjusted for age, childhood and adulthood socioeconomic status, and drugs affecting bone metabolism. In men, the risk of hip fractures was nonlinearly associated with childhood growth. Compared to intermediate increase, low and high increase in height between 2 and 7 years (p < 0.001) were associated with all hip fractures and hip fractures sustained after the age of 50 years. Further, compared to intermediate gain, low and high gain in BMI between 7 and 11 years (p = 0.001) were associated with greater risk of hip fractures in men. In women, growth was not associated with the risk of hip fractures but greater weight (hazard ratio [HR] = 0.85; 95% CI, 0.77 to 0.94; p = 0.001) and BMI (HR 0.86; 95% CI, 0.78 to 0.95; p = 0.003) gain between ages 2 and 7 years were associated with a decreased risk of pharmacotherapy for osteoporosis. In men, growth was not associated with the risk of pharmacotherapy for osteoporosis. In conclusion, growth during childhood may contribute to the risk of hip fractures in later life among men. ...
PublisherAmerican Society for Bone and Mineral Research; Wiley
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