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At least 19 recordsLinked to original sources
PubMed1989

Intergenerational relations and family therapy research: what we can learn from other disciplines.

Although there are a number of theories regarding intergenerational relations within the family therapy field, few of these theories have been empirically examined. Indeed, intergenerational family research is in its infancy in the family therapy world. This article explores the literature on intergenerational relations within the sociological and psychosociological disciplines in order to understand what is known, and how this information could assist family therapy researchers interested in developing systematic studies of intergenerational relations for the family therapy field.

Age Factors↗
PubMed1992

Intergeneric relations between nematodes of the digestive tract in lambs: a multivariate approach.

The interactions between nematode genera of the ovine digestive tract have been examined through a multivariate analysis performed on data previously obtained in epidemiological surveys conducted in France and Morocco. Data referring both to the frequency of genera per sheep (analysis at the individual level) and to the number of worms per genus and per animal (analysis at the host population level) were examined. The results suggest that a highly stable equilibrium between genera occurred in individual hosts possibly regulated by the host response and the interactions between the worm populations. The regulative factors which act at the host population level tend to increase the stability of the system, to promote the expression of positive interactions between the genera and also to modulate the arrangement of intergeneric relations. The multivariate analysis thus provides a means for global analysis of the relations between nematode populations with potential applications to assess the efficacy of some control measures on the whole nematode community in the digestive tract.

Animals↗
PubMed1986

[Intergeneric antigenic relation of Hafnia and Shigella (S. flexneri and S. boydii) bacteria].

The O-antigenic relationships between Hafnia and Shigellae (S. flexneri and S. boydii) have been studied. For the first time the presence of antigenic relationship between Hafnia O19, O4, O9, O33, O5, O16, O12, O7, O29, O28, O10, O32, O24, O25, O18, O1, O13, O3, O22, O30, O37, O14, O11, O25, O23, O21, O28, O16, O24, O8, O26, O27 and S. flexneri la, lb, 2a, 2b, 4a, 4b, 6, 5a, 5b, as well as between Hafnia O10, O21, O35, O36, O9, O28, O8, O30 and S. boydii 1, 3, 6, 14, 2, 5, 2, 12 have been revealed. The character and degree of manifestation of antigenic relationships between the above-mentioned groups of bacteria have been established.

Antigens, Bacterial↗
PubMed1991

Do close parent-child relations reduce the mortality risk of older parents?

This analysis examines the association between affectional solidarity in older parent-child relationships, and the parents' length of survival over a 14-year interval. It is hypothesized that close intergenerational relations have the capacity to reduce pathogenic stress among elderly parents, thereby enhancing their ability to survive. Direct and buffering effects of affectional solidarity, as expressed by 439 elderly parents, are tested using data from the U.S.C. Longitudinal Study of Generations collected between 1971 and 1985. Buffering effects are examined in the context of social decline and social loss experienced by the older parent. Hazard regression models indicate that greater intergenerational affect increases survival time among parents who experienced a loss in their social network, particularly among those who were widowed less than five years. Neither a direct effect of affection nor a buffering effect in the presence of social decline were found. It is concluded that the mortal health risks associated with the stress of being widowed can be partially offset by affectionate relations with adult children.

Adolescent↗
PubMed1991

Aging and disability in China: cultural issues in measurement and interpretation.

Aging is no longer an issue of concern only to industrialized countries. Recent estimates project that by the year 2000 there will be 590 million people aged 60 or older worldwide. Of these 590 million approximately 61% will be living in lesser developed countries. Thus, these countries will shortly face critical decisions concerning the impact of these aging populations on state plans for economic development. China, the country with the largest anticipated number of elderly in the world, provides an instructive case of how one developing country is attempting to balance the needs of the elderly with those of the nation as a whole. In particular the rapid aging of the Chinese population has prompted official concern about the financial implications of providing health care to increasing numbers of disabled or frail elderly. This paper reports the efforts of one study to determine the extent of disability and frailty among the urban elderly and the strategies they and their family members have developed to cope with it. The research was conducted between June 1987 and January 1988 in two neighborhoods of Canton, the capital of Guangdong Province. Two hundred households, each containing at least one member 70 years of age or older, were randomly selected from household registration lists. In each household a 1-2 hr interview was conducted with the elder (or, in the case of those too disabled to participate, a proxy) on the following topics: personal background, proximity and contact with kin, household composition and organization, health and functionality, use of medical services, work history, income sources, daily activities, and attitudes regarding intergenerational relations. The paper is divided into five parts addressing the following topics: (1) China and research on aging, (2) comparative data--problematic aspects, (3) methodological issues to consider when investigating disability, (4) the findings of the study, and (5) the significance of ideological, environmental, and political factors in mediating the experience of age-associated disability in China.

Aged↗
PubMedDate not supplied

Polysaccharide antigens of Escherichia coli.

The major surface antigens of Escherichia coli are the cell wall lipopolysaccharides (LPS; O antigens) and the capsular polysaccharides (PS; K antigens). These polysaccharides are synthesized at the cytoplasmic membrane of the bacteria; the LPS are transported to the outer membrane, where they reside, whereas the PS are secreted into capsules. The LPS consist of lipid A covalently linked to the core oligosaccharide, which itself is covalently linked to the O-specific polysaccharide. The latter, which determines the O specificity of the bacteria may be neutral or contain negative charges (carboxyl groups or phosphate). The relatedness of E. coli to other genera (e.g., Klebsiella or Shigella) frequently is borne out by structural identity. This intergeneric relation is paralleled by similar pathogenic properties of the bacteria in question. The capsular antigens of E. coli are acidic polysaccharides, which can be divided into groups (I and II) on the basis of molecular size, nature of the acidic component, coexpression with O antigens, and temperature regulation of their biosynthesis. The major acidic components are hexuronic acid (mainly of Klebsiella-like group I) as well as 2-keto-3-deoxy-D-mannooctulonic acid, N-acetylneuraminic acid, or phosphate (mainly in Neisseria- and Haemophilus-like group II). Relatedness of encapsulated E. coli to encapsulated bacteria of other genera (Neisseria, Haemophilus, Klebsiella) is based on structural identity or similarity of the respective capsules. Identity not only refers to structure and serology of these capsules but also to the pathogenicity of the respective bacteria (e.g., E. coli K1 and Neisseria meningitidis b). Bacterial pathogenicity may be caused by the host's inability to raise an immune response to bacterial capsules (E. coli K1 and K5) because of the identity of the capsular polysaccharides and the host carbohydrates. This can be described as camouflage used by the bacteria as a strategem for bacterial virulence.

Antigens, Bacterial↗
PubMed1992

Memories of parental favoritism and the quality of parent-child ties in adulthood.

In order to better understand which factors contribute to variations in the quality of adult child-parent bonds, this study considered parental unfairness in the treatment of offspring during childhood. Using social exchange, self-esteem maintenance, and socialization models to predict different outcomes, memories of least favored status (LFS) were examined in relation to affectional intergenerational solidarity. A secondary analysis of a Swedish data set was conducted. Parent-child dyads were studied within three-generational lineages consisting of a grandmother (G1), her adult child (G2), and the grandchild (G3). Comparing parents and children, ratings of LFS were more predictive of the quality of the bond for children. Comparing generations of parents, LFS memories were more predictive for G2 than for G1. Comparing generations of children, there were no differences. The uniqueness of older parents in family research is considered, and an agenda for future research is suggested.

Adult↗
PubMed1990

Is intergenerational solidarity a unidimensional construct? A second test of a formal model.

Results from a second empirical test of a theory of intergenerational family relations, as an example of empirically driven theory construction in social gerontology, are presented. The theory we tested reflects an attempt to explain later-life patterns of affection, association, and consensus between parents and children as interdependent components of a meta-construct--family intergenerational solidarity. The theoretical model also identifies variables that are expected to predict variations in levels of solidarity. A recent empirical test (Atkinson, Kivett, and Campbell, 1986) offered little support for the central proposition of the model: that solidarity can be indexed by a linear-additive composite of affection, association, and consensus. The replication analysis reported here is based on a different sample, as well as alternate measures and statistical methods. The convergent results suggest that (a) later-life intergenerational solidarity is not a unidimensional construct, and (b) different variables predict each component. This exercise of theory statement, testing, and retesting leads us to suggest several refinements to the theory acknowledging a more complex relationship between dimensions of intergenerational relations in old age.

Adult↗
PubMed1992

Perceived intergenerational solidarity and psychological distress among older Mexican Americans.

A model separating and relating dimensions of intergenerational solidarity with measures of psychological distress was investigated for older Mexican Americans. Solidarity consisted of measures of similarity, affection, and association. Measures of psychological distress were somatic/retarded symptoms, depressed affect, and positive affect. To evaluate whether emotional closeness with a particular child modified the linkages, the model was analyzed separately based on whether or not the elderly participant reported that the child included in the intergenerational study was her or his closest child. The findings indicated that the impact of affection and association was a function of the particular dimension of distress and the emotional closeness of the child. Although the proposed model needs expanding, it provides some support for the expectation that family solidarity has important consequences for elderly Mexican Americans.

Aged↗