Prevalence and associated factors of paternal stress, anxiety, and depression symptoms in the early postnatal period

Background: The changes experienced during the transition to first-time or subsequent fatherhood are mainly positive; however, fathers can also experience adverse mental health outcomes such as stress, anxiety, and depression. The aim of this study was to investigate the prevalence and associated factors of paternal stress, anxiety, and depression symptoms in the early postnatal period. Methods: A quantitative, descriptive correlational design was used. Data were collected using a self-administered questionnaire comprising of the Perceived Stress Scale, the State-Trait Anxiety Inventory, and the Edinburgh Postnatal Depression Scale. Results: A total of 336 fathers were included in the study. The prevalence rates were 41.1% (n = 138) for moderate/high stress symptoms, 20.8% (n = 70) for state anxiety symptoms, 25.9% (n = 87) for trait anxiety symptoms, and 13.4% (n = 45) for depression symptoms. In the multivariable analysis, several factors were associated with increased stress, anxiety, and depression symptoms including being a subsequent father (p = 0.009), not living in a house (p = 0.009), having a history of adverse mental health (p = 0.008), and having a partner with a history of anxiety (p = 0.040). Conclusion: The findings suggest that fathers are at risk of adverse mental health in the early postnatal period which is a pivotal time for fathers in terms of bonding with their infant and redefining their relationship with their partner

Anxiety in fathers in the perinatal period: a systematic review

Background: Fatherhood in the perinatal period can be a time of great excitement, happiness and joy. However, a growing body of literature indicates that fathers are at risk for elevated levels of anxiety symptoms during the perinatal period. Purpose: The purpose of this systematic review is to determine the prevalence and levels of anxiety in fathers during the perinatal period, identify the risk factors and impact of anxiety, and establish if there are effective interventions that reduce father's anxiety. Design: Systematic review. Methods: A systematic review protocol was developed and registered with PROSPERO (reference number: CRD42017073760). The review was guided by the PRISMA reporting process. Electronic databases Medline, CINAHL, Embase, the Cochrane Library, PsycARTICLES, PsycINFO, and Psychology were searched to identify eligible studies. Studies that researched fathers during the perinatal period were included if anxiety was the primary focus of the research or was an outcome or dependent variable. Data were extracted and presented in narrative form including tables and figures. Findings: Thirty-four studies met the inclusion criteria. Findings from these studies indicate that fathers experience anxiety in the perinatal period, particularly at the time of birth. Anxiety increased from the antenatal period to the time of birth, with a decrease in anxiety from the time of birth to the later postnatal period. The prevalence of anxiety ranged between 3.4% and 25.0% during the antenatal period and 2.4% and 51.0% during the postnatal period. Factors contributing to anxiety included lower education levels, lower income levels, lower co-parenting support, lower social support, work-family conflict, a partner’ anxiety and depression, and being present during a previous birth. Anxiety had a negative impact on fathers’ mental health, physical health, social relationships and parenting skills. Anxiety contributed to stress, depression, fatigue and lower paternal self-efficacy. Five studies reported on interventions to reduce anxiety and all the studies found that anxiety significantly decreased following the intervention. Key conclusion: Fathers experience increased anxiety from the antenatal period to the time of birth, with a decrease in anxiety from the time of birth to the later postnatal period. Anxiety during the perinatal period that can impact negatively on fathers physical and mental health, and social relationships

Stress in fathers in the perinatal period: a systematic review

Background despite the evidence that fatherhood has a long-term positive and protective effect on men's health, there is also evidence that fatherhood in the perinatal period can be complex and demanding. Due to the potential increase in stressors in the perinatal period, there is reason to hypothesise that it is a time of increased stress for fathers. However, it is not clear how significant a problem stress is for fathers during this stage of life. This is in part, due to the fact that the available research has not been systematically reviewed. Purpose the purpose of this systematic review was to critically appraise the empirical evidence that examined stress in fathers in the perinatal period. Design systematic review. Methods a systematic review protocol was developed and registered with PROSPERO (Reference number: CRD42016035821). The review was guided by the PRISMA reporting process. Electronic databases Medline, CINAHL, the Cochrane Library, PsycARTICLES, PsycINFO, Psychology and Behavioural Sciences Collections were searched to identify studies that met the inclusion criteria. Studies that researched fathers in the perinatal period were included if stress was the principal focus of the research, if stress was in the title and/or aim of the study or if stress was an outcome or dependent variable. Data were extracted and presented in narrative form including tables and figures. Findings eighteen studies met the inclusion criteria. The findings indicate that fathers experience stress in the perinatal period, particularly at the time of birth. Stress levels were found to increase from the antenatal period to the time of birth, with a decrease in stress levels from the time of birth to the later postnatal period. There are a number of factors that contribute to stress in fathers in the perinatal period and these included negative feelings about the pregnancy, role restrictions related to becoming a father, fear of childbirth and feelings of incompetence related to infant care. The review found that stress has a negative impact on fathers, with higher stress levels contributing to mental health issues such as anxiety, depression, psychological distress and fatigue. Key conclusion during the perinatal period fathers experience stress and face unique stressors that can impact negatively on their health and social relationships

A FUSE Survey of Interstellar Molecular Hydrogen in the Small and Large Magellanic Clouds

We describe a moderate-resolution FUSE survey of H2 along 70 sight lines to the Small and Large Magellanic Clouds, using hot stars as background sources. FUSE spectra of 67% of observed Magellanic Cloud sources (52% of LMC and 92% of SMC) exhibit absorption lines from the H2 Lyman and Werner bands between 912 and 1120 A. Our survey is sensitive to N(H2) >= 10^14 cm^-2; the highest column densities are log N(H2) = 19.9 in the LMC and 20.6 in the SMC. We find reduced H2 abundances in the Magellanic Clouds relative to the Milky Way, with average molecular fractions = 0.010 (+0.005, -0.002) for the SMC and = 0.012 (+0.006, -0.003) for the LMC, compared with = 0.095 for the Galactic disk over a similar range of reddening. The dominant uncertainty in this measurement results from the systematic differences between 21 cm radio emission and Lya in pencil-beam sight lines as measures of N(HI). These results imply that the diffuse H2 masses of the LMC and SMC are 8 x 10^6 Msun and 2 x 10^6 Msun, respectively, 2% and 0.5% of the H I masses derived from 21 cm emission measurements. The LMC and SMC abundance patterns can be reproduced in ensembles of model clouds with a reduced H2 formation rate coefficient, R ~ 3 x 10^-18 cm^3 s^-1, and incident radiation fields ranging from 10 - 100 times the Galactic mean value. We find that these high-radiation, low-formation-rate models can also explain the enhanced N(4)/N(2) and N(5)/N(3) rotational excitation ratios in the Clouds. We use H2 column densities in low rotational states (J = 0 and 1) to derive a mean kinetic and/or rotational temperature = 82 +/- 21 K for clouds with N(H2) >= 10^16 cm^-2, similar to Galactic gas. We discuss the implications of this work for theories of star formation in low-metallicity environments. [Abstract abridged]Comment: 30 pages emulateapj, 14 figures (7 color), 7 tables, accepted for publication in the Astrophysical Journal, figures 11 and 12 compressed at slight loss of quality, see http://casa.colorado.edu/~tumlinso/h2/ for full version

Assessment of two screening tools to identify psoriatic arthritis in patients with psoriasis

Background: Many patients with psoriasis have undiagnosed psoriatic arthritis. Low specificity is found with many PsA screening tools. A new instrument, the CONTEST questionnaire, was developed utilizing the most discriminative items from existing instruments. Objective: The aim of this study was to compare the CONTEST and PEST screening tools. Methods: People attending secondary care clinics with psoriasis, but not PsA, completed the questionnaires, were assessed for function and quality of life, and had a physical examination. Patients thought to have PsA were compared to those without. The performance of CONTEST and PEST was compared using area under the receiver operating curve (AUC), and sensitivity and specificity at the previously published cut‐offs. Results: A total of 451 dermatology patients were approached, 35% were reviewed and 27 (17%, 95% CI 12.3–21.7) had unidentified psoriatic arthritis. The sensitivity and specificity (95% CI) of PEST were 0.60 (0.42–0.78)/0.76 (0.69–0.83) and for CONTEST 0.53 (0.34–0.72)/0.71 (0.63–0.79). The confidence limits for the AUC overlapped (AUC for PEST 0.72 (0.61–0.84), for CONTEST 0.66 (0.54–0.77). Conclusions: PEST and CONTEST questionnaires performed equally well, with no superiority of the new CONTEST tool

Melting and differentiation of early-formed asteroids: The perspective from high precision oxygen isotope studies

A number of distinct methodologies are available for determining the oxygen isotope composition of minerals and rocks, these include laser-assisted fluorination, secondary ion mass spectrometry (SIMS)and UV laser ablation. In this review we focus on laser-assisted fluorination, which currently achieves the highest levels of precision available for oxygen isotope analysis. In particular, we examine how results using this method have furthered our understanding of early-formed differentiated meteorites. Due to its rapid reaction times and low blank levels, laser-assisted fluorination has now largely superseded the conventional externally-heated Ni “bomb” technique for bulk analysis. Unlike UV laser ablation and SIMS analysis, laser-assisted fluorination is not capable of focused spot analysis. While laser fluorination is now a mature technology, further analytical improvements are possible via refinements to the construction of sample chambers, clean-up lines and the use of ultra-high resolution mass spectrometers. High-precision oxygen isotope analysis has proved to be a particularly powerful technique for investigating the formation and evolution of early-formed differentiated asteroids and has provided unique insights into the interrelationships between various groups of achondrites. A clear example of this is seenin samples that lie close to the terrestrial fractionation line (TFL). Based on the data from conventional oxygen isotope analysis, it was suggested that the main-group pallasites, the howardite eucrite diogenite suite (HEDs) and mesosiderites could all be derived from a single common parent body. However,high precision analysis demonstrates that main-group pallasites have a Δ17O composition that is fully resolvable from that of the HEDs and mesosiderites, indicating the involvement of at least two parent bodies. The range of Δ17O values exhibited by an achondrite group provides a useful means of assessing the extent to which their parent body underwent melting and isotopic homogenization. Oxygen isotope analysis can also highlight relationships between ungrouped achondrites and the more well-populated groups. A clear example of this is the proposed link between the evolved GRA 06128/9 meteorites and the brachinites. The evidence from oxygen isotopes, in conjunction with that from other techniques, indicates that we have samples from approximately 110 asteroidal parent bodies (∼60 irons, ∼35 achondrites and stony-iron, and ∼15 chondrites) in our global meteorite collection. However, compared to the likely size of the original protoplanetary asteroid population, this is an extremely low value. In addition, almost all of the differentiated samples (achondrites, stony-iron and irons) are derived from parent bodies that were highly disrupted early in their evolution. High-precision oxygen isotope analysis of achondrites provides some important insights into the origin of mass-independent variation in the early Solar System. In particular, the evidence from various primitive achondrite groups indicates that both the slope 1 (Y&R) and CCAM lines are of primordial significance. Δ17O differences between water ice and silicate-rich solids were probably the initial source of the slope 1 anomaly. These phases most likely acquired their isotopic composition as a result of UV photo-dissociation of CO that took place either in the early solar nebula or precursor giant molecular cloud. Such small-scale isotopic heterogeneities were propagated into larger-sized bodies, such as asteroids and planets, as a result of early Solar System processes, including dehydration, aqueous alteration,melting and collisional interactions

Coordinated Monitoring of the Eccentric O-star Binary Iota Orionis: The X-ray Analysis

We analyse two ASCA observations of the highly eccentric O9III + B1III binary Iota Orionis obtained at periastron and apastron. Based on the assumption of a strong colliding winds shock between the stellar components, we expected to see significant variation in the X-ray emission between these phases. The observations proved otherwise: the X-ray luminosities and spectral distributions were remarkably similar. The only noteworthy feature was the hint of a proximity effect during periastron passage, supported also in the optical. We discuss the accuracy of our results, and also analyse archival ROSAT observations. We investigate why we do not see a clear colliding winds signature. A simple model shows that the wind attenuation to the expected position of the shock apex is negligible throughout the orbit, which poses the puzzling question of why the expected 1/D variation (ie. a factor of 7.5) in the intrinsic luminosity is not seen in the data. Two scenarios are proposed: either the colliding winds emission is unexpectedly weak such that intrinsic shocks in the winds dominate the emission, or, alternatively, that the emission observed is colliding winds emission but in a more complex form than we would naively expect. Complex hydrodynamical models are then analyzed. Despite strongly phase-variable emission from the models, both were consistent with the observations. We find that if the mass-loss rates of the stars are low then intrinsic wind shocks could dominate the emission. However, when we assume higher mass-loss rates of the stars, we find that the observed emission could also be consistent with a purely colliding winds origin. To distinguish between the different models X-ray observations with improved phase coverage will be necessary.Comment: 18 pages, 14 figures, uses mn.st

The Far Ultraviolet Spectroscopic Explorer Survey of OVI Absorption in the Disk of the Milky Way

To probe the distribution and physical characteristics of interstellar gas at temperatures T ~ 3e5 K in the disk of the Milky Way, we have used the Far Ultraviolet Spectroscopic Explorer (FUSE) to observe absorption lines of OVI toward 148 early-type stars situated at distances 1 kpc. After subtracting off a mild excess of OVI arising from the Local Bubble, combining our new results with earlier surveys of OVI, and eliminating stars that show conspicuous localized X-ray emission, we find an average OVI mid-plane density n_0 = 1.3e-8 cm^-3. The density decreases away from the plane of the Galaxy in a way that is consistent with an exponential scale height of 3.2 kpc at negative latitudes or 4.6 kpc at positive latitudes. Average volume densities of OVI along different sight lines exhibit a dispersion of about 0.26 dex, irrespective of the distances to the target stars. This indicates that OVI does not arise in randomly situated clouds of a fixed size and density, but instead is distributed in regions that have a very broad range of column densities, with the more strongly absorbing clouds having a lower space density. Line widths and centroid velocities are much larger than those expected from differential Galactic rotation, but they are nevertheless correlated with distance and N(OVI), which reinforces our picture of a diverse population of hot plasma regions that are ubiquitous over the entire Galactic disk. The velocity extremes of the OVI profiles show a loose correlation with those of very strong lines of less ionized species, supporting a picture of a turbulent, multiphase medium churned by shock-heated gas from multiple supernova explosions.Comment: Accepted for publication in ApJS. Preprint with full resolution images and all 148 spectra available at http://www.astro.princeton.edu/~dvb/o

Ireland: Submerged Prehistoric Sites and Landscapes

Evidence of Ireland's drowned landscapes and settlements presently comprises 50 sites spread across the entire island. These comprise mainly intertidal find spots or small collections of flint artefacts. A handful of fully subtidal sites are known, generally from nearshore regions and consisting, with one exception, of isolated single finds. Evidence of organic remains is also sparse, with the exception of Mesolithic and Neolithic wooden fish traps buried in estuarine sediments under Dublin. The relatively small number of sites is probably due to lack of research as much as taphonomic issues, and thus the current evidence hints at the potential archaeological record which may be found underwater. Such evidence could contribute to knowledge of the coastal adaptations and seafaring abilities of Ireland's earliest inhabitants. Nonetheless, taphonomic considerations, specifically relating to Ireland's history of glaciation, sea-level change and also modern oceanographic conditions likely limit the preservation of submerged landscapes and their associated archaeology. Realistically, the Irish shelf is likely characterised by pockets of preservation, which makes detection and study of submerged landscapes difficult but not impossible. A range of potential routes of investigation are identifiable, including site-scale archaeological survey, landscape-scale seabed mapping, archival research and community engagement

The High-Resolution Coronal Imager, Flight 2.1

The third flight of the High-Resolution Coronal Imager (Hi-C 2.1) occurred on May 29, 2018; the Sounding Rocket was launched from White Sands Missile Range in New Mexico. The instrument has been modified from its original configuration (Hi-C 1) to observe the solar corona in a passband that peaks near 172 Å, and uses a new, custom-built low-noise camera. The instrument targeted Active Region 12712, and captured 78 images at a cadence of 4.4 s (18:56:22 – 19:01:57 UT; 5 min and 35 s observing time). The image spatial resolution varies due to quasi-periodic motion blur from the rocket; sharp images contain resolved features of at least 0.47 arcsec. There are coordinated observations from multiple ground- and space-based telescopes providing an unprecedented opportunity to observe the mass and energy coupling between the chromosphere and the corona. Details of the instrument and the data set are presented in this paper