Abstract:
BACKGROUND:Sex differences in levels of C-reactive protein (CRP) are well established in adulthood, but little is known about when and why they emerge. Here, we tested longitudinal models of CRP levels from ages 9 to 21, when marked physical and behavioral changes could contribute to growing sex disparities in CRP. METHODS:Data from the community-based prospective-longitudinal Great Smoky Mountains Study (N=1420) were used. Participants were 9-13 years old at intake and were followed through age 21. High-sensitivity C-reactive protein (CRP) was assayed from up to nine bloodspot collections per person. BMI, physical/sexual maturation, substance use, and control variables were assessed during yearly interviews to age 16, and at ages 19 and 21. RESULTS:Multilevel models revealed that the development of CRP in females was best described by a quadratic trend: after slow increases in CRP until age 15, the rate of increase accelerated thereafter. Changes in CRP in males were best described by a smaller, linear increase. After sex-differentiated associations with BMI, physical/sexual maturation, and substance use variables had been accounted for, increases in CRP after age 15 no longer differed by sex. CONCLUSION:Physical/sexual maturation and behavioral changes during adolescence could initiate life-long sex disparities in CRP.
journal_name
Psychoneuroendocrinologyjournal_title
Psychoneuroendocrinologyauthors
Shanahan L,Copeland WE,Worthman CM,Erkanli A,Angold A,Costello EJdoi
10.1016/j.psyneuen.2013.04.010subject
Has Abstractpub_date
2013-10-01 00:00:00pages
2209-17issue
10eissn
0306-4530issn
1873-3360pii
S0306-4530(13)00128-5journal_volume
38pub_type
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journal_title:Psychoneuroendocrinology
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doi:10.1016/j.psyneuen.2008.05.006
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pub_type: 杂志文章,随机对照试验
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journal_title:Psychoneuroendocrinology
pub_type: 杂志文章,随机对照试验
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journal_title:Psychoneuroendocrinology
pub_type: 杂志文章
doi:10.1016/j.psyneuen.2009.12.005
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journal_title:Psychoneuroendocrinology
pub_type: 杂志文章,评审
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pub_type: 杂志文章,评审
doi:10.1016/j.psyneuen.2005.04.006
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journal_title:Psychoneuroendocrinology
pub_type: 杂志文章
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journal_title:Psychoneuroendocrinology
pub_type: 杂志文章
doi:10.1016/j.psyneuen.2009.08.003
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journal_title:Psychoneuroendocrinology
pub_type: 临床试验,杂志文章,随机对照试验
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pub_type: 杂志文章
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journal_title:Psychoneuroendocrinology
pub_type: 杂志文章
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pub_type: 杂志文章
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pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:Psychoneuroendocrinology
pub_type: 杂志文章
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