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PubMed1984

Social networks and psychosocial support among disabled people.

Analysis of the network characteristics and nature of social ties among physically disabled people living in an inner London borough showed network size rather than network type was related to the availability of psychosocial support, reflecting the important role of both related and non-related people in the provision of this form of support. The study also questioned three commonly held assumptions. Firstly, in contrast to the image of physically disabled people as lacking social ties, those with a high level of disability, although having a lower level of social contact outside the household than other groups, did not differ significantly in other aspects of their network structures and support. Secondly, in contrast to the characterisation of inner city areas as relatively homogeneous and as lacking locally based ties, the inner London area studied comprised a variety of network types with a large proportion of respondents deriving support from people living in close proximity. Thirdly, whereas the presence of household members, and especially a spouse, tend to be equated with the availability of strong emotional support, considerable numbers of married people lacked such support. This suggests measures to promote psychosocial support need to be fairly broadly based and cautions against using marital status as a proxy measure of support.

Adolescent↗
PubMedDate not supplied

Social network type and health status in a national sample of elderly Israelis.

A typology of social support networks was examined in relation to five health measures in a national probability sample of Israelis aged 60 and over, using multiple classification analysis (N = 4214). The procedure revealed that the more resourceful diversified and friend and neighbor network types were consistently associated with better scores on measures of basic and instrumental activities of daily living, incontinence, vision and self-rated health, even when controlling for respondents' age, sex and education. The religious family network type, also endowed with considerable support potential, tended to correlate with lower health scores. The narrow family focused network had average health ratings or less, and a moderate support capability. The least resourceful network type, the attenuated network, was most frequently associated with poor health.

Aged↗
PubMed1996

[Health status, social networks and support systems of so called old old in a population-based comparative study of residents ages 69-74 and 75-80].

To analyze the different features of health status, social support and networks of elderly people by age groups, a survey was performed of the social environment and health related issues among residents aged 69-74 and 75-80, the so called old-old, in Takasu, a small farming town in Hokkaido. The results were as follows: 1. The percentage of elderly having some of the symptoms related to dementia, lower scores of ADL, and poorer conditions of eye sight or hearing were significantly higher among the elderly aged 75-80 compared to those aged 69-74. The prevalence of diseases, such as senile cataracts in both sexes, and heart diseases in men were also higher among those aged 75 and over. 2. Although there were no differences in the mean number of hospital admissions or in the percentage of those having been sick in bed for more than 1 week during the previous one year, both the mean number of out-patient visits and percentage having a family physician were significantly higher in the elderly over 75 than under. Deterioration of IADL were prominent in the item on being able to go far away by themselves. 3. Almost 70% of the elderly participated in community-based social activities in Takasu. There were only small differences in social support and network among the different categories of family structure of the elderly. However women over 75 had statistically significantly lower number of the social supports compared to the younger age groups. A significantly smaller percentage of people was able to obtain the emotional or care support from their spouse for in elderly over 75 than for elderly under 75. 4. The results of this study suggest the need to provide more social support and networks for the old-old over 75 years old who tend to have more diseases and to be in poorer health condition, both physically or mentally than younger old.

Aged↗
PubMed1992

Social networks of residents in supportive housing.

One goal of supportive housing is to enlarge and improve the functioning of the social support networks of residents. The networks of a convenience sample of 42 residents were assessed using scales developed by Barrera. The size of the networks (11.5) was no larger than that reported for similar clients living in other types of community settings but the composition differed. Staff and co-residents appear to partially replace rather than add to family and friends. This is of concern because friends are uniquely important determinants of satisfaction. An association between perceived need for support and network size was also found. These findings suggest some positive influences but also raise questions about unintended negative consequences of living in artificially constructed social environments.

Adult↗
PubMed1992

The social networks of bipolar affective disorder patients.

The social interaction parameters of a carefully delineated group of bipolar patients were compared to those of a random New Zealand community sample. The bipolar subjects had significantly lower scores for perceived availability and adequacy of both intimate and diffuse social relationships. Their mean scores did not differ from those of the subgroup in the random community survey who were classified as showing psychiatric morbidity, most of whom were depressed. Social interaction scores were negatively correlated with the bipolar patients' age and duration of illness. Those bipolar subjects with a predominance of manic episodes had lower mean values for their social interaction indices than those with more depressions. The results may suggest that the longer the illness continues, the greater is the impoverishment of the sufferer's social interaction patterns. Overall, manic episodes appeared to have a more deleterious effect on social relationships than depressive episodes.

Adolescent↗
PubMed2005

Women's social support and social network after their first myocardial infarction; a 4-year follow-up with focus on cardiac rehabilitation.

BACKGROUND: Knowledge about women's recovery following a myocardial infarction (MI) with focus on how their social support and network change over time as a result of participation in a cardiac rehabilitation programme (CRP) is not well established. AIM: The aim of this study was to describe and compare social support and network changes over a 4-year period in women with a first MI, based on socio-demographic and situational data. METHOD: A longitudinal, comparative study with a non-randomised design including pre- and post-tests (1 and 4 years after MI) was carried out in 18 hospitals in Sweden. Consecutively chosen women (N=240) answered a questionnaire on the subject of social support and network. RESULTS: The women who participated in a CRP were mainly dependent upon professional support during the first year after MI (p<0.0001), while those who declined to participate in a CRP needed professional support throughout the whole 4-year period (p=0.001). Participation in CRP was dependent on the women's age, those under 60 years (p=0.050). CONCLUSION: There is a need to develop CRPs that are specifically designed for women based on their age and family relationships. Nurses' training programmes should place greater emphasis on cardiac rehabilitation from the perspective of women with focus on professional support.

Adult↗
PubMed2003

A social network contagion theory of risk perception.

Risk perceptions have, to a great extent, been studied exclusively as individual cognitive mechanisms in which individuals collect, process, and form perceptions as atomized units unconnected to a social system. These individual-level theories do not, however, help explain how perception of risk may vary between communities or within a single community. One alternative approach is based on a network theory of contagion. This approach, emerging largely from organizational and community social network studies, suggests that it is the relational aspects of individuals and the resulting networks and self-organizing systems that influence individual perceptions and build "groups or communities of like-minded" individuals. These social units, it is argued, behave as attitude, knowledge, or behavioral structures. The study reported in this article tests one aspect of this theoretical perspective. The central hypothesis proposes the existence of risk perception networks--relational groupings of individuals who share, and perhaps create, similar risk perceptions. To test this idea, data were collected from individuals involved in a community environmental conflict over a hazardous waste site cleanup. The statistical analysis used a matrix of relational social linkages to compare with a matrix of individual risk perceptions The analysis confirmed the hypothesis suggesting that social linkages in communities may play an important role in focusing risk perceptions.

Journal Article↗
PubMed2000

Empirical assessments of social networks, fertility and family planning programs: nonlinearities and their implications.

Empirical studies of the diffusion of modern methods of family planning have increasingly incorporated social interaction within nonlinear models such as logits. But they have not considered the full implications of these nonlinear specifications. This paper considers the implications of using nonlinear models in empirical analyses of the impact of family programs, modulated by social interaction, on reproductive behavior. Three implications of nonlinear models, in comparison with linear models, are developed. 1) With nonlinear models, there may be both low and high contraceptive-use equilibria (i.e., the ultimate level of use of modern family planning that a population can be expected to reach after the effects of a sustained change in a family planning program have worked through the population) rather than just one equilibrium as in linear models. If there are multiple equilibria, then one striking and important result is that a transitory large program effort may move a community from sustained low- to high-level contraceptive use. 2) With nonlinear models, the extent to which a social interaction multiplies program efforts depends on whether the community is at a low or high level of contraceptive use rather than being independent of the level of contraceptive use as in linear models. 3) With nonlinear models, intensified social interaction can retard or enhance the diffusion of family planning, in contrast to only enhancing diffusion as within linear models. To clarify these implications, for comparison a simple and more transparent linear model is also discussed. Illustrative estimates are presented of simple linear and nonlinear models for rural Kenya that demonstrate that some of these effects may be considerable.

Contraception↗
PubMed1988

Sociometrics of Macaca mulatta: II. Decoupling centrality and dominance in rhesus monkey social networks.

The concept of the linear dominance hierarchy and a much less precise notion of a central/peripheral ordering of individuals have been prominent among the ideas about social organization of monkey groups. Although the latter has seldom been quantified, the ranks of individuals in the two orders are usually assumed to be correlated. This paper reports on a longitudinal study of a free-ranging group of rhesus monkeys. The individual histories of progression of dominance rank and an independently determined measure of centrality in the social grooming network are compared among a set of males. Centrality is not a static correlate of dominance rank as implied by the findings of short-term studies. Rather, centrality is a more sensitive indicator of status than is dominance rank, to which it is related in a dynamic fashion. Small changes in dominance rank may be followed by large changes in centrality. An increase in centrality may facilitate rise in dominance rank. These findings suggest a complex psychology of status, rather than a simple causative relation between the two variables.

Animals↗
PubMed1984

Expressed emotion and social networks of parents of schizophrenic patients.

This study considered the relationship between the personal networks of parents of schizophrenic patients and ratings of their level of expressed emotion towards the patient. Our initial hypothesis was that parents with high expressed emotion would be more isolated from an effective social support system. We found that the size of parental networks did correlate with the length of the patient's illness, with smaller networks associated with longer illnesses. There was no connection between overall ratings of parental expressed emotion and the size or quality of their social networks. However, the raw score of one component of expressed emotion, emotional over-involvement, did correlate with several network variables, indicating that parents who are over-involved with the patient are also more involved with their networks rather than being isolated.

Adolescent↗
PubMed2002

The role of optimism in social network development, coping, and psychological adjustment during a life transition.

The authors investigated the extent to which social support and coping account for the association between greater optimism and better adjustment to stressful life events. College students of both genders completed measures of perceived stress, depression, friendship network size, and perceived social support at the beginning and end of their 1st semester of college. Coping was assessed at the end of the 1st semester. Greater optimism, assessed at the beginning of the 1st semester of college, was prospectively associated with smaller increases in stress and depression and greater increases in perceived social support (but not in friendship network size) over the course of the 1st semester of college. Mediational analyses were consistent with a model in which increases in social support and greater use of positive reinterpretation and growth contributed to the superior adjustment that optimists experienced.

Adaptation, Psychological↗
PubMed1999

Social network influences on reproductive health behaviors in urban northern Thailand.

Prevention approaches for reproductive health have evolved from an emphasis on individually focused models of behavior change to a recognition that risk reduction occurs within a context of social norms. Prevention programs can be improved by understanding how social structure influences sexual behavior and using that understanding to develop strategies for positive change. In a dynamic, urban context, communities are better conceptualized as informal networks of ties. These network structures may help to protect, or conversely, expose members to reproductive risk behaviors. Using data from a study of social and sexual networks conducted in northern Thailand, this article describes partner relations and social structure in the modern, urban context, and illustrates the links between individual, relational and structural properties and reproductive risk behaviors. Triangulation of ethnographic, survey and social network data collection and analytic tools provide an opportunity to interpret individual behaviors, meanings of relationships and structural properties of networks. Intervention approaches should build on existing networks, and address the complex meanings of romantic and sexual partnerships.

Community Networks↗
PubMed2001

[Rehabilitation and pensioning. Social network assimilates the HIV patient poorly].

For HIV patients, the social security net contains considerable gaps; for example, more than one-half of the unemployed patients under 55 receive no pension; in the case of those who go on to develop AIDS, the figure is 30%. Apparently, recognition of inability to work depends on the severity of the disability. Nor does the statutory regulation of rehabilitation measures do justice to those infected with HIV. Despite their higher morbidity, they are under-represented by a factor of 10 in comparison with the average in the general population when it comes to medical rehabilitation. While formerly, the HIV-infected were granted a disablement pension relatively quickly, today the pension insurance carriers appear to be adopting a more restrictive attitude, and often grant a pension for only a limited period. Furthermore, the legislation took effect at the beginning of 2001, has also made early pensioning more difficult.

Disability Evaluation↗
PubMed2004

Epidemic spreading in a hierarchical social network.

A model of epidemic spreading in a population with a hierarchical structure of interpersonal interactions is described and investigated numerically. The structure of interpersonal connections is based on a scale-free network. Spatial localization of individuals belonging to different social groups, and the mobility of a contemporary community, as well as the effectiveness of different interpersonal interactions, are taken into account. Typical relations characterizing the spreading process, like a range of epidemic and epidemic curves, are discussed. The influence of preventive vaccinations on the spreading process is investigated. The critical value of preventively vaccinated individuals that is sufficient for the suppression of an epidemic is calculated. Our results are compared with solutions of the master equation for the spreading process and good agreement of the character of this process is found.

Animals↗