Sentences with phrase «year age cohorts»
When we repeat this exercise across current practitioners divided into five - year age cohorts from ages 25 to 70, the collective investment experience over the 1970 — 2015 period reveals that nearly 90 % has lived through sustained periods of soaring stock prices.
https://www.researchaffiliates.com/ Not exact matches
In 1960, the overwhelming majority of prime - age white adults (the cohort of 30 to 49 - year - olds that Murray focuses on) in Belmont and Fishtown were married, bore very few children out of wedlock, and rarely divorced.
By 1993, all cohorts under the age 18 were born under legalized abortion and we estimate steady state savings of $ 1.6 billion per year from positive selection.
In 1987, Labbok and Hendershot20 published a retrospective cohort study of 9,698 children between 3 and 17 years of age.
The Newcastle thousand families cohort study at age 49 - 51 years.
Association between breastfeeding and intelligence, educational attainment, and income at 30 years of age: a prospective birth cohort study from Brazil.
We modeled the cumulative life experience for this cohort through age 70 years.
We calculated these transition probabilities using data from the longitudinal National Health and Nutrition Evaluation Survey, which assessed a cohort of women in 1987 and the same women again in 1992.25 Several limitations of these data affect our model: 1) because this national survey lacks data on women before age 35 years, women in our model could not develop hypertension, type 2 diabetes mellitus, or MI before age 35 years; 2) because longitudinal survey data were only available for a 5 - year interval, we assumed that transition probabilities were stable within the 5 - year intervals and converted these probabilities from 5 - year to 1 - year intervals; 3) because the survey data were too few to provide stable estimates by year of age, we used transition probabilities for women in three age groups: aged 50 years and younger, 51 — 65 years, and 65 years and older.
Based on prior research (Table 1), we simulated the health and health care costs for a cohort of 100,000 women who were aged 15 years in 2002.
Area and individual maternal characteristics included country of residence, ward type, socioeconomic status, ethnicity (defined by Office for National Statistics guidelines and classified for this analysis as British / Irish white3 or of other ethnic origin), maternal age in years at cohort child's birth, level of education (attainment of qualification at GCSE grade G or above), parity (whether cohort child is first live birth), and lone parent status.
To address the issues above, this paper reports on the results of an 18 - year longitudinal study of the relationships between infant feeding practices and later cognitive ability and academic achievement in a birth cohort of > 1000 New Zealand children studied from birth to age 18 years.
When logistic models were stratified by the presence or absence of hypertensive disease, only maternal age older than 34 years (odds ratio [OR], 1.4; 95 % confidence interval [CI], 1.0 - 2.0), pregnancy - associated plasma protein - A of the 95th percentile or less (OR, 1.9; 95 % CI, 1.2 - 3.1), and alpha fetoprotein of the 95th percentile or greater (OR, 2.3; 95 % CI, 1.4 - 3.8) remained statistically significantly associated for abruption.In this large, population - based cohort study, abnormal maternal aneuploidy serum analyte levels were associated with placental abruption, regardless of the presence of hypertensive disease.
Professor Peymane Adab and colleagues used data from 7349 women aged 50 years or older in the Guangzhou Biobank Cohort.
Prevalence of Overweight and Underweight and Mean BMI at 4 Years of Age, by Breastfeeding Duration, Pediatric Nutrition Surveillance System Cohort, 1988 — 1997
Sears et al (30) performed a landmark birth cohort study in which 1037 children in New Zealand were followed from age 3 years and assessed every 2 — 5 years from ages 9 to 26 years.
In addition, we followed up only a subset of the original Project Viva cohort to ages 3 and 7 years.
Brion et al24 analyzed associations of breastfeeding duration with IQ at age 8 years in 2 cohorts.
Given the relatively young ages of children at follow - up assessment, longer term evaluations of these cohorts will be important to see if these findings remain as children enter the more behaviourally challenging late middle childhood and adolescent years when emotional and behavioural problems often become more pronounced.
A prospective cohort study found the SIDS rate to be significantly increased for infants exposed in utero to methadone (OR: 3.6 [95 % CI: 2.5 — 5.1]-RRB-, heroin (OR: 2.3 [95 % CI: 1.3 — 4.0]-RRB-, methadone and heroin (OR: 3.2 [95 % CI: 1.2 — 8.6]-RRB-, and cocaine (OR: 1.6 [95 % CI: 1.2 — 2.2]-RRB-, even after controlling for race / ethnicity, maternal age, parity, birth weight, year of birth, and maternal smoking.229 In addition, a meta - analysis of studies that investigated an association between in utero cocaine exposure and SIDS found an increased risk of SIDS to be associated with prenatal exposure to cocaine and illicit drugs in general.230
Our data agrees with that of others, 1223 that suggest that delaying the introduction of formula milk protects against the morbidity associated with respiratory infection, illness, and associated hospitalisations in the first year of life.24 Prolonged breast feeding was only marginally associated with less respiratory illness when examined in a New Zealand birth cohort to 2 years of age, 25 and the Dundee study8 showed a small, yet significant protective effect of breast feeding against respiratory illness at 0 — 13 weeks and 40 — 52 weeks after adjustment for social class, maternal age, and parental smoking.
In one study, a protective effect of breast milk on blood pressure was observed when 26 percent of the original cohort were followed up at ages 13 — 16 years (15), but not when 81 percent were examined at ages 7.5 — 8 years (16), suggesting either the possibility of selection bias in the later follow - up or an amplification of the breastfeeding — blood pressure association (49).
It's also the kind of bold policy stroke that would command national attention, with Cuomo potentially starring as the governor who triggered the removal of a whole cohort of aging highways that blighted central cities for 60 years.
«Everyone wants to tout the critical importance of a more educated workforce; they bemoan the fact that our numbers of graduates in the 25 - 34 year old cohort is dismal in comparison to other countries and to older age brackets.»
The researchers undertook a nationally representative prospective cohort study of 1,112 school - based adolescents aged 13 - 16 years, and assessed them at baseline, three - months and 12 - months for childhood trauma (defined as physical assault and bullying) and psychotic experiences.
Follow - up data on safety and efficacy has been assessed at up to six years in women age 15 - 26 and the current team of investigators also looked at data on the large cohort of young people two years ago.
A total of 141,896 men with a mean age at recruitment of 52 years in 8 European countries (Italy, Spain, United Kingdom, the Netherlands, Greece, Germany, Sweden, and Denmark) from the EPIC cohort were included.
The newly reported research involved nearly 34,000 people ages 15 to 49 years residing in 30 communities that participate in the Rakai Community Cohort Study (RCCS) conducted by the Rakai Health Sciences Program in Uganda.
The researchers noted that the cohort of 2,827 participants whose data were analyzed in this study were generally healthy, mostly Caucasian (92.2 %), elderly males (average age 76.4 years), therefore limiting the generalizability of the study results to other populations.
1) The Singapore - Longitudinal Aging Brain Study (started in 2005) follows a cohort of healthy adults of Chinese ethnicity aged 55 years and above.
The study uses data from the Norwegian Mother and Child Cohort Study to investigate the effect of paracetamol during pregnancy on psychomotor development, behaviour and temperament at 3 years of age.
At the time of the study, the average age of the cohort was just under 8 1/2 years old.
In the current study, McKeown and her colleagues analyzed longitudinal data on 1,685 middle - aged adults over a period of 14 years, obtained from the Framingham Heart Study's Offspring cohort — a National Heart, Lung, and Blood Institute - funded program that has monitored multiple generations for lifestyle and clinical characteristics that contribute to cardiovascular disease.
Professor Peymane Adab and colleagues used data from 7349 women aged 50 years or older in the Guangzhou Biobank Cohort.
The research was conducted as part of the Beaver Dam Eye Study, a long - term population - based cohort study from 1988 to 2013 of nearly 5,000 adults aged 43 to 84 years.
The 823 participants — non-demented individuals 60 to 100 years old with an average age of 79 — were from two cohorts at Rush University Medical Center.
After recruiting more than 600 cohort members for their study, Ritchie and colleagues tracked their scores on a simple visual task three times over 10 years, repeating the test at the mean ages of 70, 73, and 76.
Drs. Lee Schaefer and Jonathan McGavock, along with colleagues at the University of Alberta, studied 306 youths (9 - 17 years of age) enrolled in the Healthy Hearts Prospective Cohort Study of Physical Activity and Cardiometabolic Health.
The researchers used a nationwide cohort of 5 436 647 Danish citizens aged 18 years and above with no history of IBD or heart failure.
The cohorts of 1,223,092 participants who were at least 45 years of age were in Bangladesh, India, mainland China, Japan, Republic of Korea, Singapore and Taiwan.
To help clarify the relationship between AMD incidence and blood pressure lowering medications, including vasodilators, researchers from the University of Wisconsin School of Medicine and Public Health conducted a long - term population - based cohort study from 1988 to 2013 of nearly 5,000 residents of Beaver Dam, Wis., aged 43 to 86 years.
«Primarily enforced texting laws that banned only young drivers from texting were the most effective at reducing deaths among the 15 - to 21 - year - old cohort, with an associated 11 percent reduction in traffic fatalities among this age group in states with such bans.»
Dr. Mu - Hong Chen and colleagues from Taipei and Taoyuan, Taiwan, examined cohort data from 378,881 children ages 4 - 17 years from 1997 to 2011 and evaluated the prevalence of being given a diagnosis of ADHD and / or prescribed ADHD medication.
Currently, the 15 year follow - up of both cohorts is ongoing and the authors are planning to investigate how their findings translate into older age during or after puberty.
One study is based on children taking part in the Finnish Type 1 Diabetes Prediction and Prevention (DIPP) study, which is a birth cohort study observing children at genetic risk for type 1 diabetes from birth up to clinical diabetes or 15 years of age.
More than half of the participants were female (59 percent) and 41 percent were male with a median cohort age of 54.8 years.
The LALES study, conducted among 4,876 Latinos in Los Angeles with a mean age cohort of 54.8 years old, indicates that Latinos diagnosed with bilateral AMD with large drusen (the lipids or fatty proteins that are yellow deposits under the retina) and depigmentation as well as a more severe AMD had a substantially lower health - related quality of life as compared to those with AMD lesions in only one eye.
A cohort of children from the Avon Longitudinal Study of Parents and Children (ALSPAC) were interviewed at elementary school age (8 and 10 years) about bullying experiences and then about parasomnias at secondary school age (12 - 13 years).
However, ArborGen has confessed that it hopes USDA will deregulate the trees by the time the cohort reaches harvest age — around seven years or so — allowing the resulting pulp to be sold.
The models included terms for time (age in years, divided by 10 so the coefficients yield effects of decline over 10 years), age cohorts (age at baseline in five year bands) to adjust for secular effects, and an interaction term between age cohort and time, separately in men and women.
This last interaction term allows the calculation of the estimate of 10 year decline in the five age cohorts, undertaken with the original scale for all tests.