14 research outputs found

    Role Occupancy, Physical Health and the Diminishment of the Sense of Mattering in Late Life

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    Mattering is an important but understudied part of the self-concept. Morris Rosenberg and Claire McCullough (1981) suggested that older adults feel they matter less than middle-aged adults and this discrepancy may in part be explained by a lack of role occupancies such as paid work, and a devaluation of the old in society at large. This dissertation examines sense of mattering in older adults and two mechanisms that may explain the decline of the self-concept in later life - fewer role occupancies and poorer physical health. It examines whether these processes differ for men versus women and for African-Americans versus whites. The study employs the first wave (2001) of data from the Aging, Stress and Health (ASH) Study, which includes over 1100 white and African-American adults over age 65 living in the Washington, D.C. metropolitan area. Results indicate that there is a negative relationship between age and both dependence mattering and importance mattering and that it is in part explained by role occupancies as well as physical health status. Compared to informal ties, work and volunteer roles (productive or formal roles), are more important in explaining the relationship between age and mattering. Additionally, the total number of roles held is significantly and positively related to dependence and importance mattering. How roles mediate the relationship between age and dependence mattering depends on race and gender. The work role significantly mediates the age/mattering relationship for whites, but not for African-Americans. For African-Americans, the volunteer role mediates the relationship between age and dependence mattering, but this is not the case for whites. Also, self-rated health mediates the age-dependence mattering relationship for whites but not African-Americans. These findings point to the need to employ multiple mattering measures in analyses of older adults as well to study diverse samples; results differ depending on the outcome variable and group examined. Mattering is critical to the comprehensive study of the self-concept in later phases of the life course, as it is sensitive to social roles and physical health both of which are locations for key changes occurring during late life

    Observation of gravitational waves from the coalescence of a 2.5−4.5 M⊙ compact object and a neutron star

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    Search for gravitational-lensing signatures in the full third observing run of the LIGO-Virgo network

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    Gravitational lensing by massive objects along the line of sight to the source causes distortions of gravitational wave-signals; such distortions may reveal information about fundamental physics, cosmology and astrophysics. In this work, we have extended the search for lensing signatures to all binary black hole events from the third observing run of the LIGO--Virgo network. We search for repeated signals from strong lensing by 1) performing targeted searches for subthreshold signals, 2) calculating the degree of overlap amongst the intrinsic parameters and sky location of pairs of signals, 3) comparing the similarities of the spectrograms amongst pairs of signals, and 4) performing dual-signal Bayesian analysis that takes into account selection effects and astrophysical knowledge. We also search for distortions to the gravitational waveform caused by 1) frequency-independent phase shifts in strongly lensed images, and 2) frequency-dependent modulation of the amplitude and phase due to point masses. None of these searches yields significant evidence for lensing. Finally, we use the non-detection of gravitational-wave lensing to constrain the lensing rate based on the latest merger-rate estimates and the fraction of dark matter composed of compact objects

    Ultralight vector dark matter search using data from the KAGRA O3GK run

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    Among the various candidates for dark matter (DM), ultralight vector DM can be probed by laser interferometric gravitational wave detectors through the measurement of oscillating length changes in the arm cavities. In this context, KAGRA has a unique feature due to differing compositions of its mirrors, enhancing the signal of vector DM in the length change in the auxiliary channels. Here we present the result of a search for U(1)B−L gauge boson DM using the KAGRA data from auxiliary length channels during the first joint observation run together with GEO600. By applying our search pipeline, which takes into account the stochastic nature of ultralight DM, upper bounds on the coupling strength between the U(1)B−L gauge boson and ordinary matter are obtained for a range of DM masses. While our constraints are less stringent than those derived from previous experiments, this study demonstrates the applicability of our method to the lower-mass vector DM search, which is made difficult in this measurement by the short observation time compared to the auto-correlation time scale of DM

    CONCEPTT : Continuous Glucose Monitoring in Women with Type 1 Diabetes in Pregnancy Trial: A multi-center, multi-national, randomized controlled trial - Study protocol

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    Women with type 1 diabetes strive for optimal glycemic control before and during pregnancy to avoid adverse obstetric and perinatal outcomes. For most women, optimal glycemic control is challenging to achieve and maintain. The aim of this study is to determine whether the use of real-time continuous glucose monitoring (RT-CGM) will improve glycemic control in women with type 1 diabetes who are pregnant or planning pregnancy. A multi-center, open label, randomized, controlled trial of women with type 1 diabetes who are either planning pregnancy with an HbA1c of 7.0 % to ≤10.0 % (53 to ≤ 86 mmol/mol) or are in early pregnancy (<13 weeks 6 days) with an HbA1c of 6.5 % to ≤10.0 % (48 to ≤ 86 mmol/mol). Participants will be randomized to either RT-CGM alongside conventional intermittent home glucose monitoring (HGM), or HGM alone. Eligible women will wear a CGM which does not display the glucose result for 6 days during the run-in phase. To be eligible for randomization, a minimum of 4 HGM measurements per day and a minimum of 96 hours total with 24 hours overnight (11 pm-7 am) of CGM glucose values are required. Those meeting these criteria are randomized to RT- CGM or HGM. A total of 324 women will be recruited (110 planning pregnancy, 214 pregnant). This takes into account 15 and 20 % attrition rates for the planning pregnancy and pregnant cohorts and will detect a clinically relevant 0.5 % difference between groups at 90 % power with 5 % significance. Randomization will stratify for type of insulin treatment (pump or multiple daily injections) and baseline HbA1c. Analyses will be performed according to intention to treat. The primary outcome is the change in glycemic control as measured by HbA1c from baseline to 24 weeks or conception in women planning pregnancy, and from baseline to 34 weeks gestation during pregnancy. Secondary outcomes include maternal hypoglycemia, CGM time in, above and below target (3.5-7.8 mmol/l), glucose variability measures, maternal and neonatal outcomes. This will be the first international multicenter randomized controlled trial to evaluate the impact of RT- CGM before and during pregnancy in women with type 1 diabetes. NCT01788527 December 19, 2012

    A proposito di spazio, limite, reinvenzione

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    Qusto libro include 60 profili di artiste nell'area romana e non solo; contributi critici di 15 fra studiose e studiosi di discipline storico-artistiche, filosofiche, sociologiche, antropologiche, psicologiche. Questi sono i numeri di FEMM[E]: un progetto - e un libro - nato sotto la denominazione e l'intento di una "ricerca sulla specificità (eventuale) dell'arte femminile", realizzata dal 2016 al 2018 su iniziativa e cura della storica dell'arte Anna Maria Panzera e dell'artista Veronica Montanino. Il mio testo parla del tema dell'abitazione e in specifico di «casa» che è riccorente nelle opere di artiste in tutto il mondo. Dopo gli esempi conosciuti della storia dell'arte contemporanea, il testo prosegue con le storie degli artisti con cui l'autrice ha collaborato sul tema di "Casa"

    Erratum : CONCEPTT: Continuous Glucose Monitoring in Women with Type 1 Diabetes in Pregnancy Trial: A multi-center, multi-national, randomized controlled trial - Study protocol [BMC Pregnancy Childbirth., 16, (2016) (167)] doi: 10.1186/s12884-016-0961-5

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    After publication of the original article [1], it came to the authors' attention that an incorrect affiliation was inadvertently added in the Acknowledgements section for the CONCEPTT Collaborative Group. The authors would like to amend the following statement in the CONCEPTT Collaborative Group section as follows: The correct affiliation for Julia Lowe and Anna Rogowsky should read Sunnybrook Health Sciences Centre, Toronto

    Contando o conto de Zita: as estórias dos servos sagrados e a história dos servos

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