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PubMed2001

The costs of radon mitigation in domestic properties.

The paper examines the costs of mitigating radon levels in domestic properties using data from the radon-affected county of Northamptonshire in the United Kingdom. Cost-effectiveness of mitigation is measured in terms of the total costs per lung cancers saved per year by mitigation expenditures. The results obtained match those reported in published theoretical estimates for proposed national mitigation programmes. Mitigation in domestic properties is shown to be more effective in reducing lung cancers than a mitigation programme designed for National Health Service workplaces in Northamptonshire, when all householders discovering radon levels above 300 Bequerels per cubic metre (Bq m(-3)) are assumed to implement mitigation strategies. In the United Kingdom, however, as elsewhere, only a small percentage of those finding raised radon levels proceed to mitigation. This reduces the effectiveness of mitigation programmes in domestic properties to levels matching those in the National Health Service workplaces. The paper confirms findings in studies from Europe and the United States that a significant proportion of householders with radon levels between 200 and 300 Bq m(-3) do not implement remedial work. The paper concludes with a range of policy proposals based on the results obtained.

Air Pollution, Indoor↗

PubMed2004

The effect of control at home on CHD events in the Whitehall II study: Gender differences in psychosocial domestic pathways to social inequalities in CHD.

Although there has been considerable research on psychosocial working conditions and their effect on physical and mental health, there has been little research into the effects of psychosocial domestic conditions on health. The association between psychosocial working conditions (and control at work in particular) and coronary heart disease (CHD) is not as strong for women compared to men. Other research suggests that household and domestic factors may have an important effect on women's health. Some studies have shown that low control at home affects psychological well being. However, there has been little research into its effects on physical health. Furthermore, similar to results analysing low control at work, low control at home may form part of the pathways underlying social inequalities in health. The study investigates the meaning of control at home, the effect of control at home on incident CHD events and whether this explains some of the social inequalities in CHD events in men and women. Data from phases 3-5 of the Whitehall II study, London, UK, were analysed (N = 7470). The results indicate that low control at home predicts CHD among women but not among men. Furthermore, low control at home may explain part of the association between household social position and CHD among women. There is some evidence suggesting that low control at home among women results from a lack of material and psychological resources to cope with excessive household and family demands. Psychosocial domestic conditions may have a greater effect on the health of women compared with men.

Adult↗

PubMed2001

Seroepidemiologic survey of Dirofilaria immitis infection among domestic dogs in Taipei City and mountain aboriginal districts in Taiwan (1998-1999).

To estimate the seroprevalence of Dirofilaria immitis infection in domestic dogs in Taiwan, we utilized a commercial ELISA kit (Snap, IDEXX, USA) for detecting circulating antigens released by adult female worms. Serum specimens of 664 domestic dogs sampled from Taipei City in northern Taiwan and 14 mountain aboriginal districts in eastern Taiwan were screened for D. immitis antigens. Multivariate-adjusted odds ratios (ORs) with their 95% confidence intervals (CIs) were estimated by multiple logistic regression analysis. A total of 89 subjects were antigen-positive, giving a seroprevalence of 13.4%, of which the seroprevalence in Taipei City and mountain aboriginal districts were 13.8 and 12.1%, respectively. The mean overall seropositive rates were 6.3% in 1-3-year-old age group, 14.1% in 3-6-year-old age group and 23.7% in the > or =6-year-old age group. The older the age, the higher the seroprevalence (OR=4.6, 95% CI=2.4-9.0 for the > or =6-year-old age group versus 1-3-year-old age group, P<0.001) for all the dogs in the present study. Moreover, seroprevalence was not different between female and male dogs in either Taipei City or mountain aboriginal districts (P>0.05). Also, no significant difference in seroprevalence among dogs between the two geographical areas was found (P>0.05). In the logistic regression analysis, the seroprevalence of D. immitis remained significantly increased with age after multivariate adjustment in the present study. To our knowledge, this is the first report on the status of D. immitis infection in domestic dogs in Taipei City and mountain aboriginal districts in Taiwan to date.

Age Factors↗

PubMed2001

Life threatening burn injuries on holidays: problems of primary care, homeland referral and treatment at a domestic burn centre.

Life threatening burn injuries during vacations abroad raise special problems. Depending on the infrastructure of the country, adequate medical care can be delayed and communication between the patient and the medical staff is frequently impossible due to language barriers. Often the patient finds himself in a critical condition, isolated from supporting relatives and financial difficulties may occur. By summarising three cases referred to our centre, we aim to emphasise particularities of the primary management of burned victims at foreign hospitals, their transport, and following therapy at a domestic burn unit. Primary shock treatment and vital surgical interventions, e.g. escharotomy or treatment of the concomitant trauma, are subject to the facility of the hosting country. After management of the acute phase and initiation of local wound treatment, the next step should be to stabilise and prepare the patient for transport. Aeromedical transportation with physician attendency, as well as contact with a domestic burn centre can be established via responsible organisations. At the domestic hospital, every burn victim from abroad deserves special attention. Wound colonisation with different bacterial species or fungi than the usual spectrum of the centre and the risk of crossinfections should be taken in account of the treating medical team. An structure plan for appropriate and continuing surgical treatment is necessary to prevent deterioration of the patient's condition and to optimise wound closure with autologous skin grafts or allogenic materials.

Adult↗

PubMed2000

Biosocial aspects of domestic violence.

Domestic violence, defined as acts of verbal abuse and physical violence performed against women by current intimate main partners, was surveyed by means of the Conflict Tactics Scale. We examined the relationships between a biological variable (testosterone level), social variables (demographics, social integration), and behaviour (substance use) and self-reported domestic violence. Forced-entry OLS regression models allowed us to study how social and behavioural variables modified the effects of testosterone on this specific violent behaviour. The sample consisted of 54 men who had a main sexual partner and who identified themselves as Black, White, or Hispanic. The men were recruited from various social-service-agency sites in the area of Miami, Florida, on the basis of their risk factors for HIV/AIDS. The sample can best be described as culturally diverse men of low socioeconomic status who had a main sexual partner. A high percentage of participants reported some level of both verbal and physical aggression towards their partners. Testosterone levels were significantly associated with levels of both verbal aggression and physical violence self-reported by the men. Testosterone level, demographic characteristics, and alcohol consumption contributed to explaining the variance in self-reported verbal and physical abuse. The high heritability of testosterone level and its association with violent behaviour warrant the inclusion of this variable in studies of antisocial and criminal behaviour including domestic violence.

Adolescent↗

PubMed2005

[Domestic violence during pregnancy: screening and management].

Because pregnant women are seen regularly for prenatal visits and most often develop a feeling of trust with the health care providers, pregnancy offers an important opportunity to detect domestic violence. Visible physical lesions are obvious signs of domestic violence but detection is much more difficult when the signs are limited to various sequelae, exacerbation of chronic conditions, psychosomatic problems, or obstetrical complications. It is even more difficult when the disorders are essentially psychological. If there is the slightest doubt, the clinician should, after gaining the patient's trust, ask a few simple questions. When domestic violence is discovered, the physician should evaluate its severity, note all useful elements in the medical record, and as required, write a medical certificate declaring temporary disability. The patient needs treatment but also information and support. It may be necessary to report the case to the judiciary or administrative authorities.

Female↗

PubMed2001

Contact rates between wild and domestic canids: no evidence of parvovirus or canine distemper virus in crab-eating foxes.

Evaluating the risk of disease spill-over from domestic dogs to wildlife depends on knowledge of inter-specific contact rates and/or exposure to aetiological agents in dog environments. Here, contact rates of crab-eating foxes (Cerdocyon thous) with sympatric domestic dog populations were measured over 25months in Amazon Brazil. Foxes and dogs were serologically and clinically monitored for exposure to canine parvovirus (CPV-2) and canine distemper virus (CDV), pathogens known to have caused wildlife population declines elsewhere. Twenty-two of 24 (92%) tagged foxes visited one or more houses in a median 2 (range 1-3) villages per night where dog densities ranged from 7.2 to 15.4 per km(2) (mean 9.5 per km(2)). Foxes spent an average 6.4% (0-40.3%) of their 10h nocturnal activity period in villages, the equivalent of 38m (range 0-242) per night. The rate of potential exposure to disease agents was thus high, though varied by 3 orders of magnitude for individual foxes. Overall, 46% of the fox population was responsible for 80% of all contacts. None of the 37 monitored foxes however showed serological or clinical evidence of infection with CPV-2 or CDV. Seroprevalences for CPV-2 and CDV antibodies in the local domestic dog population were 13% (3/23) and 9% (2/23), respectively, and 89% of 97 monitored pups born during the study presented clinical signs consistent with active CPV-2 infection (haemorrhagic diarrhoea, vomiting, rapid morbidity and emaciation). Although there was no evidence for infection with either virus in foxes, the high level of contact of foxes with peridomestic habitats suggests that the probability of potential spill-over infections from dogs to foxes is high.

Age Factors↗

PubMed1994

Protozoal causes of reproductive failure in domestic ruminants.

Protozoan parasites are a significant cause of abortion and infertility in domestic ruminants. Toxoplasma gondii, a widespread cause of abortion in sheep and goats, and Sarcocystis spp., which cause a common, frequently asymptomatic infection of domestic ruminants, both have a two-host life cycle. Carnivorous definitive hosts spread the infection through their feces and domestic ruminants are intermediate hosts. A similar, recently recognized protozoa, Neospora sp., has emerged as an important cause of reproductive disease, especially as an abortifacient in dairy cattle. Neospora is presumed to also have a two-host life cycle, although the definitive host(s) has not been identified. The venereally transmitted Tritrichomonas foetus is an important cause of pregnancy loss in naturally bred cattle throughout the world. In the absence of effective methods for vaccination or treatment, control of these parasites is based on management procedures to reduce infection and transmission.

Abortion, Veterinary↗

PubMed1999

Domestic violence: a challenge to accident and emergency nurses.

A wide range of victims of assault are admitted to our Accident and Emergency (A&E) departments. Their injuries vary from minor to severe trauma and multiple injuries. Lloyd (1991) recognized that the victims of domestic violence are usually female and that the aggressor is almost always known to them. Indeed, the person who administers the assault is often the spouse or partner in a relationship in which there is a regular cycle of abuse. While it is sometimes difficult for A&E nurses to remain impartial it is vital that they do so. It is also essential that the A&E nurse is aware of the support networks that are available and how to access them. Patients arriving at the A&E department following an incident of domestic violence often need protection as well as physical and psychological care. This article aims to explore issues of domestic violence that involve the admission of abused females to A&E departments.

Emergency Nursing↗

PubMed1999

Allergy prevalence and causal factors in the domestic environment: results of a random population survey in the United Kingdom.

BACKGROUND: Surveys of the prevalence of allergic diseases associated with domestic allergens (eg, asthma, rhinitis, hay fever, eczema, and dermatitis) are usually undertaken in restricted geographic areas. They are often based on specific demographic subgroups (eg, children) or are derived from treatment data (eg, GP consultations). Causal factors are seldom quantified in these reports. OBJECTIVE: This study was designed to quantify the prevalence of allergic disease among a representative cross-section of population in the United Kingdom. It was also designed to quantify the reported causal factors in terms of domestic allergen and irritant sources and activities leading to exposure. METHODS: Two thousand respondents were selected from across the UK. These respondents were interviewed using a short series of questions that formed part of a larger, more general omnibus questionnaire. The questions required respondents to report on diagnosed allergic disease and causal factors within their household, giving a total sample base of 5,609 people. RESULTS: Asthma and hay fever account for the majority of reported cases of allergic disease in the UK (12% and 10% of total household, respectively). Pollen, house dust mite excreta (HDM allergen), and pet dander are the three most common allergic triggers (42%, 27%, and 17% respectively). Dusting and being near pets each account for about 20% of the reported domestic activities triggering an allergic response. CONCLUSION: The feedback from the general population indicates asthma and hay fever to be the predominant allergic conditions, with dust and pet dander the most common sources of allergen/irritant. Key tasks such as changing bed linen and vacuuming were not perceived as being as important as dusting in terms of activities leading to reaction.

Activities of Daily Living↗

PubMed1981

Salmonellae isolated from domestic meat waste.

During 1977 and 1978, 172 samples from 14 batches of domestic meat waste were examined for the presence of salmonellae. Each batch was derived from the domestic refuse collected from approximately 120 houses. Thirty-five strains of ten salmonella serotypes were isolated from 32 samples from 8 batches. The probable origin of these serotypes and their significance when domestic waste is exposed to predation by birds and animals on refuse tips is discussed.

Bacteriological Techniques↗

PubMed2006

Domestic dogs and cats as sources of Trypanosoma cruzi infection in rural northwestern Argentina.

The reservoir capacity of domestic cats and dogs for Trypanosoma cruzi infection and the host-feeding patterns of domestic Triatoma infestans were assessed longitudinally in 2 infested rural villages in north-western Argentina. A total of 86 dogs and 38 cats was repeatedly examined for T. cruzi infection by serology and/or xenodiagnosis. The composite prevalence of infection in dogs (60%), but not in cats, increased significantly with age and with the domiciliary density of infected T. infestans. Dogs and cats had similarly high forces of infection, prevalence of infectious hosts (41-42%), and infectiousness to bugs at a wide range of infected bug densities. The infectiousness to bugs of seropositive dogs declined significantly with increasing dog age and was highly aggregated. Individual dog infectiousness to bugs was significantly autocorrelated over time. Domestic T. infestans fed on dogs showed higher infection prevalence (49%) than those fed on cats (39%), humans (38%) or chickens (29%) among 1085 bugs examined. The basic reproduction number of T. cruzi in dogs was at least 8.2. Both cats and dogs are epidemiologically important sources of infection for bugs and householders, dogs nearly 3 times more than cats.

Age Factors↗

PubMed2005

A case-control study of domestic kitchen microbiology and sporadic Salmonella infection.

The microbiology of domestic kitchens in the homes of subjects who had suffered sporadic Salmonella infection (cases) was compared with control domestic kitchens. Case and control dishcloths and refrigerator swabs were examined for the presence of Salmonella spp., total Enterobacteriaceae counts and total aerobic colony counts. Salmonella spp. were isolated from both case and control dishcloths and refrigerators but there were no significant differences between the two groups. Colony counts were similar in case and control dishcloths and refrigerator swabs. There was no relationship between the total counts and presence of Salmonella . There was no evidence that cases of Salmonella infection were more likely to have kitchens which were contaminated with these bacteria or have higher bacterial counts than controls. Total bacterial counts were poor indicators of Salmonella contamination of the domestic kitchen environment. Further factors which could not be identified by a study of this design may increase risk of Salmonella food poisoning. These factors may include individual susceptibility of the patient. Alternatively, sporadic cases of Salmonella food poisoning may arise from food prepared outside the home.

Adolescent↗

PubMed2004

Formation of dioxins from incineration of foods found in domestic garbage.

There has been great concern about the large amounts of garbage produced by domestic households in the modern world. One of the major sources of dioxins (PCDDs, PCDFs, and coplanar PCBs) in the environment is the combustion of domestic waste materials. Exhaust gases from an incinerator, in which mixtures of 67 food items--including fruits, vegetables, pasta, seafoods, meats, and processed foods and seasoned foods--were analyzed for dioxins. Gases collected at the chimney port (9.15 ng/g) contained less total dioxins than those collected at the chamber port (29.1 ng/g). The levels of Cl1-Cl6-PCDDs and Cl1-Cl5-PCDFs were much lower in the gas collected at the chimney port than in the gas collected at the chamber port. The levels of Cl7-Cl8-PCDDs and Cl6-Cl8-PCDFs were higher in the gas collected at the chimney port than in the gas collected at the chamber port. A total of Cl4-Cl8-PCDDs (1.84-3.04 ng/g) comprised over 80% of the total PCDDs formed (2.24-4.00 ng/g). Total PCDFs (16.2-22.6 ng/g) comprised 78-86% of the total dioxins formed (18.9-29.1 ng/g). The PCDFs formed in the greatest amounts were M1CDFs (9.68-10.7 ng/g). Mixtures of commonly consumed food items produced ppb levels of total dioxins in exhaust gases upon combustion, suggesting that incineration of domestic food wastes is one of the sources of dioxins in the environment. A mixture containing some seasoned foods, such as mayonnaise spread on bread, produced more dioxins (29.1 ng/g) than a mixture without seasoned foods did (18.9 ng/g).

Dioxins↗

PubMed2001

Mitochondrial DNA reveal that domestic goat (Capra hircus) are genetically affected by two subspecies of bezoar (Capra aegagurus).

This article describes the complete sequences of the mitochondrial DNA displacement loop (D-loop) region and cytochrome b gene from domestic goats in Laos (Laos native) and wild goat "markhor" (C. falconeri). The wild goat "bezoar" (Capra aegagrus) has been considered to be the strongest candidate for the ancestor of the domestic goats (C. hircus); however, there is not sufficient molecular data to verify the hypothesis at present. In phylogenetic analyses, two wild goats, the markhor and the ibex (C. ibex), appeared as an outgroup, while the bezoar was located in a cluster of domestic goats. Mitochondrial haplotypes of Laos natives revealed two distinct major clusters: one was the same as the bezoar, the second, unique to Laos natives. The topology and calibrated levels of sequence divergence suggests that these clusters might represent at least two different subspecies of ancestral bezoars.

Animals↗

PubMed2003

Comparative chromosome painting defines the karyotypic relationships among the domestic dog, Chinese raccoon dog and Japanese raccoon dog.

The Chinese raccoon dog (Nyctereutes procyonoides procyonoides, 2n = 54 + 2-3 B) and Japanese raccoon dog (Nyctereutes p. viverrinus, 2n = 38 + 3-4 B) are two subspecies of the same species. The genome-wide comparative chromosome map between the Japanese raccoon dog and domestic dog (Canis familiaris) has been established by fluorescence in-situ hybridization with a set of domestic dog painting probes. In this study, we established the comparative chromosome map for the Chinese raccoon dog and domestic dog. In total, dog probes specific for the 38 autosomes delineated 41 conserved chromosomal segments in the Chinese raccoon dog. Probes from dog chromosomes 1, 13 and 19 each painted two Chinese raccoon dog chromosome segments. Fifteen dog autosomal probes each hybridized to one Chinese raccoon dog chromosome, while each of the other dog autosomal probes painted to a single Chinese raccoon dog chromosomal arm. Dog X chromosome probe delineated the entire X chromosome of the Chinese raccoon dog; the dog Y chromosome probe hybridized to the pseudoautosomal region at the Xpter as well as the entire Y chromosome of the Chinese raccoon dog. Comparative analysis of the distribution patterns of conserved segments defined by dog paints in the genomes of the Chinese and Japanese raccoon dogs demonstrates that their differences in the karyotypes of these two subspecies could have resulted from eight Robertsonian translocations. The large difference in chromosome number between the Chinese and Japanese raccoon dogs suggests that they should be considered as two distinct species.

Animals↗

PubMed2000

Domestic violence, parents' view of their infant, and risk for child abuse.

This investigation used longitudinal data from 181 couples with firstborn infants to test the hypothesis that parents' negative cognitions about the child mediate the effect of domestic violence on risk of child abuse. Analysis of covariance showed that mothers and fathers who experienced domestic violence during the 1st year of their child's life developed a significantly more negative view of their child. Hierarchical regressions showed that the effect of domestic violence on the family's risk of child abuse was mediated by the mother's and father's negative views of the child. Intervention and prevention applications are discussed.

Analysis of Variance↗

PubMed1975

Early experience in domestication.

Two experiments using domestic and wild rats (Rattus norvegicus) were conducted to assess the ontogenetic as well as phylogenetic influences of early experience on domestication. Experiment 1 was a factorial, reciprocal cross-foster study. Experiment 2 was a factorial assessment of the combined effects of preweaning handling and postweaning enriched environments. These experiments on rat domesticatoin showed that preweaning handling has a strong influence on the ontogenetic development of the rat in terms of reduced emotionality. Handled wild rats became much more like domestic rats in their behavior. This finding for handling contrasted with minimal effects for cross fostering and enriched environments.

Adaptation, Psychological↗