Abstract：
PURPOSE:To evaluate the association between physical activity (PA) across the menstrual cycle and reproductive function. METHODS:The BioCycle Study (2005-2007) followed 259 healthy premenopausal women not using hormonal contraceptives for up to two menstrual cycles (N = 509 cycles). Serum leptin, estradiol, progesterone, luteinizing hormone, follicle-stimulating hormone, and testosterone were measured five to eight times per cycle. Linear mixed models were used to estimate the effect of past-week PA (measured four times during each cycle) on hormone levels. Past-week PA was categorized into tertiles based on metabolic equivalent of task hours per week (cut-points were 15.3 and 35.7). Risk ratios for sporadic anovulation were estimated using generalized linear models. Analyses adjusted for habitual PA (assessed at baseline), body mass index, race, age, and perceived stress. Linear mixed models used inverse probability weights to control for concurrent reproductive hormones and caloric intake. RESULTS:High past-week PA was inversely associated with leptin (-6.6%; 95% confidence interval, -10.6 to -2.5) and luteal phase progesterone (-22.1%; -36.2 to -4.7) as compared with low past-week PA. High past-week PA was not significantly associated with sporadic anovulation (adjusted risk ratio, 1.5; 0.6 to 3.4). CONCLUSIONS:High levels of PA were modestly associated with changes in select hormones but not sporadic anovulation among moderate to highly active premenopausal women.
journal_name
Ann Epidemioljournal_title
Annals of epidemiologyauthors
Ahrens KA,Vladutiu CJ,Mumford SL,Schliep KC,Perkins NJ,Wactawski-Wende J,Schisterman EFdoi
10.1016/j.annepidem.2013.11.002subject
Has Abstractpub_date
2014-02-01 00:00:00pages
127-34issue
2eissn
1047-2797issn
1873-2585pii
S1047-2797(13)00418-3journal_volume
24pub_type
杂志文章abstract：PURPOSE:To examine prospectively the relationship between vegetable consumption and long-term survival. METHODS:In 1965, a total of 1536 Italian males from two Italian rural cohorts of the Seven Countries Study, aged 45-65 years, were examined. Information on lifestyle and food consumption collected at this visit, and...
journal_title：Annals of epidemiology
pub_type： 杂志文章
doi：10.1016/s1047-2797(02)00457-x
更新日期：2003-07-01 00:00:00
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journal_title：Annals of epidemiology
pub_type： 杂志文章
doi：10.1016/s1047-2797(01)00224-1
更新日期：2001-08-01 00:00:00
abstract：PURPOSE:Preterm birth (PTB) has been associated with a later increased risk of maternal cardiovascular disease (CVD). We hypothesized a more pronounced relation between early or recurrent PTB and maternal CVD risk. METHODS:We related PTB severity (earlier gestational age at delivery) and recurrence (>/=2) among women ...
journal_title：Annals of epidemiology
pub_type： 杂志文章
doi：10.1016/j.annepidem.2010.05.007
更新日期：2010-08-01 00:00:00
abstract：PURPOSE:A prevalence survey was performed to estimate the magnitude and predictors for needlestick injury (NSI) in nurses of Fars province hospitals. METHODS:Questionnaires were distributed in 52 hospitals to a stratified random sample of 2,118 (46.3%) nurses between April and September 2005 to collect self-reported N...
journal_title：Annals of epidemiology
pub_type： 杂志文章
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更新日期：2007-12-01 00:00:00
abstract：PURPOSE:Before AIDS, endemic (African) Kaposi sarcoma (KS) was noted to occur in volcanic areas and was postulated to result from dirt chronically embedded in the skin of the lower extremities. The primary cause of all KS types is KS-associated herpesvirus (KSHV) infection, but cofactors contribute to the neoplasia. We...
journal_title：Annals of epidemiology
pub_type： 杂志文章
doi：10.1016/j.annepidem.2009.04.002
更新日期：2009-08-01 00:00:00
abstract：PURPOSE:We aim to shed light on progress in cancer medicine through studying time trends in age-specific rates of cancer incidence and mortality over the last quarter century. METHODS:We analyzed age-specific incidence and mortality rates of all cancer sites combined using the high-quality population-based databases o...
journal_title：Annals of epidemiology
pub_type： 杂志文章
doi：10.1016/j.annepidem.2020.04.007
更新日期：2020-08-01 00:00:00
abstract：PURPOSE:To examine whether smoking during first pregnancy, a time of potential vulnerability to tobacco mutagens, is associated with breast cancer. METHODS:We conducted a nested case-control study within a cohort of Washington State residents with first deliveries during 1984-1999, identified in birth and fetal death ...
journal_title：Annals of epidemiology
pub_type： 杂志文章
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更新日期：2011-01-01 00:00:00
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journal_title：Annals of epidemiology
pub_type： 杂志文章
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更新日期：1997-10-01 00:00:00
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journal_title：Annals of epidemiology
pub_type： 杂志文章
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更新日期：2017-09-01 00:00:00
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journal_title：Annals of epidemiology
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pub_type： 杂志文章
doi：10.1016/j.annepidem.2007.12.006
更新日期：2008-05-01 00:00:00
abstract：:In the context of generalized human immunodeficiency virus (HIV) epidemics, there has been limited recent investment in HIV surveillance and prevention programming for key populations including female sex workers. Often implicit in the decision to limit investment in these epidemic settings are assumptions including t...
journal_title：Annals of epidemiology
pub_type： 杂志文章,评审
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更新日期：2016-08-01 00:00:00
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journal_title：Annals of epidemiology
pub_type： 杂志文章
doi：10.1016/j.annepidem.2006.01.003
更新日期：2006-09-01 00:00:00
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journal_title：Annals of epidemiology
pub_type： 杂志文章
doi：10.1016/j.annepidem.2014.07.006
更新日期：2014-10-01 00:00:00
abstract：:The current study investigated the association between the use of recreational drugs at the time of sexual activity and high-risk sexual behavior in a Toronto cohort of 249 homosexual and bisexual men over a 5-year period commencing in 1984 to 1985 and concluding in 1989 to 1990. The main analysis was based on a total...
journal_title：Annals of epidemiology
pub_type： 杂志文章
doi：10.1016/1047-2797(93)90030-8
更新日期：1993-05-01 00:00:00
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journal_title：Annals of epidemiology
pub_type： 临床试验,杂志文章,多中心研究,随机对照试验
doi：10.1016/s1047-2797(00)00189-7
更新日期：2001-02-01 00:00:00
abstract：PURPOSE:Gastroesophageal reflux disease is an important and increasingly common condition. Both overweight and high fat food consumption have been implicated as causes of reflux disease. We examined the relationship of overweight, high dietary fat intake, and other factors with reflux disease hospitalization. METHODS:...
journal_title：Annals of epidemiology
pub_type： 杂志文章
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更新日期：1999-10-01 00:00:00
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journal_title：Annals of epidemiology
pub_type： 杂志文章
doi：10.1016/j.annepidem.2005.06.049
更新日期：2006-02-01 00:00:00
abstract：:Cardiovascular reactivity is the change in blood pressure, pulse, and other parameters of cardiovascular function in response to a challenging task. During the conduct of cardiovascular reactivity protocols, researchers frequently use automated blood pressure devices to measure blood pressure reactivity. However, the ...
journal_title：Annals of epidemiology
pub_type： 临床试验,杂志文章,随机对照试验
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journal_title：Annals of epidemiology
pub_type： 杂志文章
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更新日期：2010-05-01 00:00:00
abstract：PURPOSE:The proportion of cancer deaths in the contemporary United States caused by cigarette smoking (the population attributable fraction [PAF]) is not well documented. METHODS:The PAF of all cancer deaths due to active cigarette smoking among adults 35 years and older in the United States in 2010 was calculated usi...
journal_title：Annals of epidemiology
pub_type： 杂志文章
doi：10.1016/j.annepidem.2014.11.008
更新日期：2015-03-01 00:00:00
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journal_title：Annals of epidemiology
pub_type： 杂志文章
doi：10.1016/j.annepidem.2020.01.005
更新日期：2020-03-01 00:00:00
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journal_title：Annals of epidemiology
pub_type： 杂志文章
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更新日期：2016-07-01 00:00:00
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journal_title：Annals of epidemiology
pub_type： 杂志文章
doi：10.1016/s1047-2797(01)00235-6
更新日期：2001-10-01 00:00:00
abstract：PURPOSE:The Women's Health Initiative (WHI) is the largest research program ever initiated in the United States with a focus on diet and health. Therefore, it is important to understand and document the measurement characteristics of the key dietary assessment instrument: the WHI food frequency questionnaire (FFQ). ME...
journal_title：Annals of epidemiology
pub_type： 杂志文章
doi：10.1016/s1047-2797(98)00055-6
更新日期：1999-04-01 00:00:00
abstract：PURPOSE:Medications can have unintended effects. High medication use populations may benefit from increased regimen oversight. Limited knowledge exists concerning racial and regional polypharmacy variation. We estimated total medication distributions (excluding supplements) of American black and white adults and assess...
journal_title：Annals of epidemiology
pub_type： 杂志文章
doi：10.1016/j.annepidem.2015.01.018
更新日期：2015-06-01 00:00:00
abstract：PURPOSE:Maternal asthma increases adverse neonatal respiratory outcomes, and pollution may further increase risk. Air quality in relation to neonatal respiratory health has not been studied. METHODS:Transient tachypnea of the newborn (TTN), asphyxia, and respiratory distress syndrome (RDS) were identified using medica...
journal_title：Annals of epidemiology
pub_type： 杂志文章
doi：10.1016/j.annepidem.2018.06.003
更新日期：2018-09-01 00:00:00
abstract：PURPOSE:Standard estimation of ordered odds ratios requires the constraint that the etiologic effects of exposure are homogenous across thresholds of the ordered response. We present a method to relax this often-unrealistic constraint. METHODS:The kernel of the proposed method is the expansion of observed data into "p...
journal_title：Annals of epidemiology
pub_type： 杂志文章
doi：10.1016/j.annepidem.2003.08.003
更新日期：2004-03-01 00:00:00
abstract：PURPOSE:The purpose of this study was to investigate the association of early social environment with Kawasaki disease (KD). METHODS:We analyzed the data of children aged up to 10 years derived from the 21st Century Longitudinal Survey in Newborns (n = 41,872) in Japan. Parental education, total household income, and ...
journal_title：Annals of epidemiology
pub_type： 杂志文章
doi：10.1016/j.annepidem.2018.10.010
更新日期：2019-01-01 00:00:00
abstract：PURPOSE:To estimate the effect of hypothetical changes in modifiable predictors on the incidence of fair-to-poor self-rated health (SRH) in breast cancer survivors. METHODS:In 2007-2008, we interviewed 832 breast cancer survivors 1 year after diagnosis (baseline) and 1 year later. First, multivariable logistic regress...
journal_title：Annals of epidemiology
pub_type： 杂志文章
doi：10.1016/j.annepidem.2011.10.011
更新日期：2012-02-01 00:00:00
