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Longitudinal Studies (2):
Recent article
Longitudinal Studies
Abstract
Marijuana smoke contains many of the same constituents as tobacco smoke, but whether it has similar adverse effects on pulmonary function is unclear.
To analyze associations between marijuana (both current and lifetime exposure) and pulmonary function....
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PMID: 22235088
PDF is available here.
PDF is available here.
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Abstract
Comparison of surgical results on obese patients undergoing hysterectomy by robot-assisted laparoscopy or laparotomy.
University hospital.
All women (n=114) with a BMI ≥30 kg/m(2) who underwent a simple hysterectomy as the main surgical procedure bet...
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PMID: 21854364
PDF is available here.
PDF is available here.
Abstract
This study longitudinally examined the production of pointing in four Spanish 1-year-old and four Spanish 2-year-old children in interactive situations with their mothers at home over the course of one year. Three aspects were analyzed: a) the functions of the pointing gesture, their...
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PMID: 22059308
PDF is available here.
PDF is available here.
Abstract
We can tentatively point out that a group intervention may enhance the quality of infant-mother attachment. Nevertheless, because the study design was not randomized, the results of this study remain preliminary and need replication in a full randomized controlled trial designed study....
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PMID: 22059309
PDF is available here.
PDF is available here.
Abstract
One of the procedures used most recently with longitudinal data is linear mixed models. In the context of health research the increasing number of studies that now use these models bears witness to the growing interest in this type of analysis. This paper describes the application of...
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PMID: 22059318
PDF is available here.
PDF is available here.
Abstract
Research into the process of becoming mother or father shows very conclusively that this important life transition is accompanied by both a decrease in marital quality and a more traditional division of labour. In this paper these changes are analyzed with special emphasis on the rel...
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PMID: 22059310
PDF is available here.
PDF is available here.
Abstract
The purpose of the present study was: a) to describe the theme of verbalizations about breastfeeding in mothers' pre-term (M-PT) and full-term (M-FT) infants; b) to examine the association between these themes and mother's anxiety and depression indicators and socio-demographic chara...
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PMID: 22059333
PDF is available here.
PDF is available here.
Abstract
Evidence about the mental health consequences of unaffordable housing is limited. The authors investigated whether people whose housing costs were more than 30% of their household income experienced a deterioration in their mental health (using the Short Form 36 Mental Component Summary), over and ab...
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PMID: 21821543
PDF is available here.
PDF is available here.
Abstract
The authors assessed changes in the health status of US 1991 Gulf War-era veterans from a 1995 baseline survey to a 2005 follow-up survey, using repeated measurement data from 5,469 deployed Gulf War veterans and 3,353 nondeployed Gulf War-era veterans who participated in both survey...
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PMID: 21795757
PDF is available here.
PDF is available here.
Abstract
We initiated the EUROSCA natural history study, a multicentric longitudinal cohort study of 526 patients with SCA1, SCA2, SCA3, or SCA6. We report the results of the 1- and 2-year follow-up visits....
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PMID: 21832228
PDF is available here.
PDF is available here.
Abstract
Canada is a country with large populations of immigrants and refugees. These populations face unique health challenges and barriers to accessing health care services. Amendments to the Canadian Immigration and Refugee Protection Act in 2002 have resulted in an increase in refugees with complex medica...
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PMID: 21913581
PDF is available here.
PDF is available here.
Abstract
We analyzed prospective cohort data to identify the factors associated with health decline among new immigrants....
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PMID: 21913582
PDF is available here.
PDF is available here.
Abstract
With all time-stable influences controlled, pain is positively related to symptoms of depression, although this relationship is substantially reduced in comparison with a model in which all time-stable confounds are not held constant. Mastery does not mediate this relationship because pain is not si...
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PMID: 21808069
PDF is available here.
PDF is available here.
Abstract
We examine the role of S. aureus virulence factors for gut colonization. S. aureus isolated from quantitative stool cultures of 49 Swedish infants followed from birth to 12 months of age were assessed for 30 virulence-associated genes, spa type, and agr allele by serial polymerase chain reaction (PC...
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PMID: 21844297
PDF is available here.
PDF is available here.
Abstract
We attempted to confirm that restoration of abnormal platelet function results from platelet count reduction in essential thrombocythemia, by using these two methods. Thirty-nine essential thrombocythemia patients were divided into two groups on the basis of their platelet count. Group A participant...
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PMID: 21836466
PDF is available here.
PDF is available here.
Abstract
To investigate the magnitude of change at different time points in measures of gait symmetry, gait velocity and self-reported function following total hip replacement.
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PMID: 21826386
PDF is available here.
PDF is available here.
Abstract
To determine the frequency and consequences of neutralizing antibodies (NAbs) in patients with a first event suggestive of multiple sclerosis (MS) treated with interferon β-1b (IFNβ-1b).
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PMID: 21849647
PDF is available here.
PDF is available here.
Sexual Health (8)3 2011
Abstract
HIV diagnosis rates in men who have sex with men (MSM) began increasing in Australia 10 years ago, and there has been a major resurgence of syphilis. We determined predictors of HIV positivity and seroconversion among MSM in Victoria, Australia.
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PMID: 21851771
PDF is available here.
PDF is available here.
Abstract
The present research employed a longitudinal design to assess the verbal and non-verbal communicative abilities of a sample of 104 children, using two different parent-report instruments: the Questionnaire for Communication and Early Language (QCEL) development at 12, 16, and 20 months, and the Itali...
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PMID: 21848747
PDF is available here.
PDF is available here.
Abstract
Abstract
To investigate the expression of the soluble form of the resident macrophage marker CD163 (sCD163) and its association with core parameters for disease activity, including radiographic progression in early rheumatoid arthritis (RA).
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PMID: 21813065
PDF is available here.
PDF is available here.
Abstract
Based on a Danish birth cohort (n=9182), a high risk group of sons of alcoholic fathers (HR, n=223) and a low risk group of sons without parental alcoholism (LR, n=106) has been followed prospectively from pregnancy to age 40. The HR sons are characterized by a high prevalence of alcohol dependence (...
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PMID: 21827728
PDF is available here.
PDF is available here.
Abstract
To characterize rates of regional Alzheimer disease (AD)-specific brain atrophy across the presymptomatic, mild cognitive impairment, and dementia stages.
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PMID: 21825241
PDF is available here.
PDF is available here.
Abstract
Self-medication of anxiety symptoms with alcohol, other drugs, or both has been a plausible mechanism for the co-occurrence of anxiety disorders and substance use disorders. However, owing to the cross-sectional nature of previous studies, it has remained unknown whether self-medication of anxiety sy...
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PMID: 21810645
PDF is available here.
PDF is available here.
Abstract
In a four-wave, cohort-longitudinal design with a community sample of 515 children and adolescents (grades 2 through 9), this study examined the longitudinal structure of and prospective interrelations between maladaptive cognitions and depressive symptoms. Multigroup structural equation modeling gen...
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PMID: 21823760
PDF is available here.
PDF is available here.
Abstract
To investigate the use of statins and their effect on the risk for subsequent vascular events in young adults with ischemic stroke of undetermined etiology.
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PMID: 21810695
PDF is available here.
PDF is available here.
Abstract
These results indicate that animal and vegetable protein may relate differently to occurrence of obesity in the long run.
Copyright © 2011 American Dietetic Association. Published by Elsevier Inc. All rights reserved....
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PMID: 21802560
PDF is available here.
PDF is available here.
Health & Social Work (36)3 2011
Abstract
Using a representative national sample (N = 20,745), this article explores health and mental health needs, service use, and barriers to services among sexual minority youths (SMYs) and heterosexual peers. SMYs were defined by ever having a same-sex romantic attraction or having a recent same-sex roma...
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PMID: 21936333
PDF is available here.
PDF is available here.
Abstract
Buprenorphine and methadone are widely used for the treatment of opioid dependence, but their diversion and/or misuse are frequent. In principle, buprenorphine/naloxone combination therapy should be associated with a lower frequency of drug abuse/misuse than methadone. This study assessed the efficac...
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PMID: 21845796
PDF is available here.
PDF is available here.
Psychiatry Research (193)3 2011
Abstract
We performed mixed model regressions to examine group differences in trajectory and volume. The COS group had smaller bilateral anterior lobes and anterior and total vermis volumes than controls. The COS group diverged from controls over time in total, left, right, and bilateral posterior inferior c...
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PMID: 21803550
PDF is available here.
PDF is available here.
Abstract
Participants in walking (P=.05), light (P=.04), and combination treatment (P=.01) had significantly greater improvements in total wake time at posttest (effect size 0.51-0.63) than controls but no significant improvement on the SDI. Moderate effect size improvements in actigraphic sleep percentage w...
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PMID: 21797835
PDF is available here.
PDF is available here.
Abstract
To investigate how pregnancy planning, time to conception, and infertility treatment influence cognitive development at ages 3 and 5.
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PMID: 21791498
PDF is available here.
PDF is available here.
Abstract
Lecithin:cholesterol acyltransferase (LCAT) is the enzyme responsible for cholesterol esterification in plasma. LCAT is a major factor in HDL remodeling and metabolism, and it has long been believed to play a critical role in macrophage reverse cholesterol transport (RCT). The effect of LCAT on human...
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PMID: 21596929
PDF is available here.
PDF is available here.
Abstract
We continued the double-masked ADAPT protocol for 2 additional years to investigate incidence of AD (primary outcome). We then collected cerebrospinal fluid (CSF) from 117 volunteer participants to assess their ratio of CSF tau to Aβ(1-42.)
Including 40 new events observed during fo...
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PMID: 21784351
PDF is available here.
PDF is available here.
Abstract
A history of trauma is associated with poor mental and physical health, but the specific impact of posttraumatic stress disorder (PTSD) symptoms on physical health using objective indicators of health status has rarely been evaluated in elderly civilians. This study investigates the long-term consequ...
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PMID: 21824455
PDF is available here.
PDF is available here.
Abstract
: The majority of adverse reactions to radiopharmaceuticals described in the literature required little or no treatment, and their negative effects were generally mild and self-limited. Large longitudinal greater than 5-year studies reported prevalence rates of adverse reactions due to radiopharmaceu...
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PMID: 21642816
PDF is available here.
PDF is available here.
Abstract
We aimed to identify factors associated with endogenous EPO levels and investigate their relation to all-cause mortality. Design, setting, participants, & measurements Between 2004 and 2005, 215 patients with type 2 diabetes were enrolled. Exclusion criteria included stage renal disease ESRD and any...
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PMID: 21734083
PDF is available here.
PDF is available here.
Abstract
We measured total body protein (TBP) by in vivo neutron activation, expressed as nitrogen index (NI), and lean body mass (LBM) and total body fat (TBF) by dual-energy x-ray absorptiometry. Visceral and subcutaneous fat areas (SFAs) were determined from computed tomography. Comparisons were made betw...
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PMID: 21734086
PDF is available here.
PDF is available here.
Abstract
-Despite being efficacious is the subgroup who completed 3 years of exercise-based lifestyle intervention, randomization to this program was not effective in reducing progression of subclinical diastolic dysfunction in patients with type 2 diabetes mellitus. This may reflect the recognized difficult...
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PMID: 21576281
PDF is available here.
PDF is available here.
Abstract
We examined the trajectories of ethnic identity for adolescents from ethnic minority backgrounds during a 4-year period. Six latent class trajectories were identified in the study: the majority of adolescents (41.8%) displayed growth in ethnic identity over 4 years, followed by 30.1% whose high leve...
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PMID: 21787058
PDF is available here.
PDF is available here.
Abstract
Farmers in the U.S. are becoming more diverse; the average age of the farmer is increasing, as is the number of women and minority farm operators. There is limited research on injury risk factors in these special populations of farmers. It is especially important to study the risk factors for injury...
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PMID: 21919321
PDF is available here.
PDF is available here.
Abstract
We aimed at validating the use of DXA in monitoring change in the thigh lean soft tissue mass (LSTM) and fat mass (FM) when compared with thigh skeletal muscle mass (SM) and FM, measured using MRI as the reference standard, from childhood to midadolescence. At baseline, 22 healthy children (16 boys...
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PMID: 21658984
PDF is available here.
PDF is available here.
Abstract
Disordered eating behaviors are prevalent in adolescence and can have harmful consequences. An important question is whether use of these behaviors in adolescence sets the pattern for continued use into young adulthood.
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PMID: 21703378
PDF is available here.
PDF is available here.
Psychiatry Research (188)1 2011
Abstract
These results suggest that positive world assumptions and better social functioning during training may protect police officers from critical incident related PTSD....
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PMID: 21095622
PDF is available here.
PDF is available here.
Abstract
Summary Background and objectives The illness trajectory in the last year of life in advanced (stage 5) chronic kidney disease is poorly understood. Mapping the trajectory of patient-centered outcomes could facilitate better care. The objectives of this study were to determine trajec...
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PMID: 21685021
PDF is available here.
PDF is available here.
Abstract
In this paper, the authors describe a simple method for making longitudinal comparisons of alternative markers of a subsequent event. The method is based on the aggregate prediction gain from knowing whether or not a marker has occurred at any particular age. An attractive feature of the method is th...
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PMID: 21571871
PDF is available here.
PDF is available here.
Abstract
We assessed the level and causes of missing data in a 2-year randomised trial of an AD patient management program (PLASA study), and conducted sensitivity analyses on the primary endpoint (functional decline), using various methods for handling missing data: complete case, LOCF, Z-score LOCF, longit...
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PMID: 21244348
PDF is available here.
PDF is available here.
Abstract
After adjusting for potential confounders, lifetime experience of two or more psychotic symptoms was associated with lifetime use of cocaine (AOR 1.94; 95% CI 1.10-3.45) and psychedelics (AOR 2.37; 95% CI 1.20-4.66). Additionally, when mood or anxiety disorders were excluded, lifetime experience...
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PMID: 21054283
PDF is available here.
PDF is available here.
Abstract
The intergenerational interactions were grouped into thirteen categories; for example, "The IDP provided a meaningful sense of place." The quality of life in relation to the mental health of the older people's group improved significantly between the first involvement and after 6 months, while...
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PMID: 21615702
PDF is available here.
PDF is available here.
Abstract
We measured variability in diarrhea prevalence among children < 5 years of age living in squatter settlements in central Karachi, Pakistan. We pooled data from non-intervention control households from studies conducted from 2002 through 2006. The prevalence of diarrhea varied on average by 29% from...
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PMID: 21633021
PDF is available here.
PDF is available here.
Abstract
Objective-To determine variations in cytologic counts of bronchoalveolar lavage (BAL) fluid attributable to month of collection, first and second aliquots, and left and right lung sites in horses with recurrent airway obstruction (RAO). Animals-5 horses with RAO and 5 healthy horses without respirato...
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PMID: 21627532
PDF is available here.
PDF is available here.
Abstract
Injury is the leading cause of death for children older than 1 year. The incidence of childhood injury varies greatly depending on social factors, including income, family violence, and other social stressors. This study reports the incidence of injury among children aged 5 years in a cohort of vulne...
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PMID: 21817990
PDF is available here.
PDF is available here.
Abstract
It is not known whether salt intake decreases over time in the same population. This study attempts to describe salt intake for 8 years according to age groups, and examines whether salt intake changes over time in community-dwelling middle-aged and elderly Japanese subjects.
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PMID: 21616196
PDF is available here.
PDF is available here.
Collegium Antropologicum (35)2 2011
Abstract
The aim of the study was to estimate the association between relative weight in childhood and adolescence and its relationship with adult health outcome. Longitudinal data of the body mass index (BMI) from the Wrocław Growth Study (WGS) covering ages 8 to 18 and then a follow-up at...
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PMID: 21761602
PDF is available here.
PDF is available here.
Psychiatry Research (188)3 2011
Abstract
The purpose of this study is to compare the efficacy of olanzapine and risperidone for the acute treatment of first-episode schizophrenia patients with cannabis use disorders. This secondary analysis of a previously published study included 49 first-episode patients with a diagnosis...
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PMID: 21636134
PDF is available here.
PDF is available here.
Abstract
Bodyweight loss during spaceflight has been observed among astronauts since the early space missions. Considerable mission data has been accumulated, including data from female astronauts, on the many Shuttle and International Space Station missions. The purpose of this study was to investigate the a...
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PMID: 21702312
PDF is available here.
PDF is available here.
Abstract
Although peer influence has been implicated in recent theories of gender socialization, few investigations have tested whether children's gendered behaviours change over time as a function of peer experiences and whether some peer experiences may exacerbate, rather than dampen, gender non-conformity....
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PMID: 21592148
PDF is available here.
PDF is available here.
Abstract
Disruptive behaviour disorders are much more common in boys than girls (Office of National Statistics, 1999); in contrast, gender differences in normative problem behaviours are poorly understood. To address this issue, 228 6-year-olds (134 boys, 94 girls) were each observed playing a board game with...
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PMID: 21592147
PDF is available here.
PDF is available here.
Psychiatry Research (187)1-2 2011
Abstract
We examined whether a leading instrument for the prediction of future violence in those with a mental disorder. The Historical, Clinical, Risk Management-20 (HCR-20) was equally effective across a wide range of mental health diagnoses. Records at the time of discharge from secure psychiatric services...
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PMID: 21095013
PDF is available here.
PDF is available here.
Psychiatry Research (188)3 2011
Abstract
Neurocognitive deficits are a core feature of schizophrenia that is associated with poor occupational functioning. Few studies have investigated this relationship in patients with first-episode psychosis. The current study examined the characteristics of employed and unemployed patie...
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PMID: 21575993
PDF is available here.
PDF is available here.