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PubMed2004

Associations between the sexual behaviour of men who have sex with men and the structure and composition of their social networks.

OBJECTIVE: This exploratory study identified associations between the number of sexual partners reported by men who have sex with men (MSM) and the structure and composition of their social networks. METHODS: A cross sectional survey was conducted of men recruited as key informants, through advertising and chain referral. A face to face interview was conducted with 206 MSM. The interview included information on the number of sexual partners in the previous year and sociodemographic and behavioural characteristics of the participant. Social networks were enumerated and network size and density were calculated. Ordered logistic regression was used to assess the associations between number of sexual partners and personal and network characteristics. RESULTS: The number of anal sex partners reported was higher if the participant had injected drugs in the past year rather than never having injected (odds ratio, 95% confidence interval: 3.23, 1.28 to 8.15), decreased with network density (0.014, 0.002 to 0.008) and increased if the network did not comprise only HIV negative people (1.77, 1.05 to 2.99). The number of additional oral sex partners increased with network size (1.06, 1.02 to 1.10) and decreased with increased network density (0.034, 0.006 to 0.205). In addition to similar effects of network size (1.05, 1.01 to 1.09) and network density (0.086, 0.013 to 0.563) the model for the number of additional manual sex partners also included age (1.03, 1.01 to 1.05). CONCLUSION: The density of the social networks of MSM appears strongly and consistently associated with patterns of sexual behaviour. This underlines the importance of using network approaches to understanding the sexual behaviour of MSM and their potential value in identifying novel strategies for intervention.

Adult↗
PubMed1977

The social network, support and neurosis. The function of attachment in adult life.

The psychological function of the social network is considered in terms of attachment theory. Social bonds are proposed as essential for obtaining a commodity commonly but unsatisfactorily referred to as support. Requirements for this complex commodity can be discerned in a wide range of contexts. Examples considered are the evolutionary origin of the social network itself, the concept of psychosocial supplies, the distribution of neurosis in Western and non-Western populations, the use of medical consultations, psychotherapy and habitual responses to adversity or disaster. In these and other contexts, it is apparent that individuals have, quite simply, a requirement for affectively positive interaction with others. Under stressful conditions this interaction is called 'support'. When support is lacking there is evidence that psychiatric and perhaps medical morbidity rates increase. For reaseach, the objective must now be to determine whether depleted primary group interaction is causally related to morbidity, or whether it is only an associated or a secondary factor in aetiology, or indeed wholly unrelated. Elucidating more precisely why people need people constitutes an important new task for social psychiatry.

Female↗
PubMed1990

Social network assessment: a critical component in case management for functionally impaired older persons.

Case managers who develop long-term care service plans for functionally impaired elderly persons must integrate the supportive efforts of the client's social network into the overall service approach. The ultimate goal is to develop a plan whereby the formal service providers supplement rather than supplant the care and assistance available from the older person's network. This article presents a framework that identifies those variables associated with the relationship dynamics that exist between older persons and their social network members. The framework can be used by case managers to help them assess the characteristics and functioning of their clients' social network relations and develop service strategies that maximize the helping efforts of those networks.

Aged↗
PubMed1982

Social networks and psychiatric clients: the personal and environmental context.

The study examines the extent to which characteristics of psychiatric clients (interpersonal problem-solving) and their families (family climate and family social resources) are associated with dimensions of clients' social networks (size and support). Respondents were 35 clients recruited from outpatient psychiatric clinics and the family members with whom they resided. The results revealed that individual and environmental variables were significant correlates of social network dimensions. For example, client problem-solving was positively related to the number of intimates cited by the client, while level of independence was positively related to the degree of support clients reported receiving from their peers. Level of client psychopathology partially moderated the effects of some of the predictor variables. The results highlight the need to examine the individual and environmental processes that shape and are shaped by social network patterns.

Adaptation, Psychological↗
PubMed1987

Families with disabled children: stress and social networks in three samples.

Mothers and fathers of 125 handicapped/chronically ill children were compared with parents of 127 matched nondisabled children from three separate samples with respect to personal stress, marital satisfaction, and social network size and density. Only mothers of disabled children experienced higher levels of stress than comparison parents. No differences were found in marital satisfaction. Few group differences were found for social network variables, although mothers of handicapped children had higher-density networks than comparison mothers. A series of ANOVAs examined differences among the three types of families of handicapped children. Significant differences among the groups were found for social network but not family stress variables. The results are discussed in terms of general differences between families with and without a disabled child, and point to the need to identify patterns within different types of family systems in conducting future research in this area.

Family↗
PubMed1992

[The social network of families of HIV infected patients].

This paper is focused at the social network of families of HIV-infected persons. 13 families were interviewed in a depth-psychological oriented semi-structured manner. The evaluation took place primarily according to a qualitative manner. The central result is that families with HIV-infected members inform more seldom other persons out of the informal social network in comparison to former coping tasks like haemophilia, dependence of drugs or homosexuality, events which happened before the HIV-infection. Accordingly to that only some single persons or whole families use informal help for their coping process with HIV-infection. The infected themselves claim more often professional psychosocial help, sometimes some relatives do it, seldom the whole family. We mostly find the familial tendency of social retreat and of coping with the burdens without help from the outside. This tendency is forced by distrust, social anxieties and projective separation of familial conflicts in order to maintain familial stability.

Adaptation, Psychological↗
PubMed1982

Social networks, attachments and support in minor affective disorders: a replication.

Significant deficiencies in personal social networks and social support in non-psychotic psychiatric out-patients have been reported by Henderson ad his colleagues. In a replication study, 50 non-psychotic psychiatric out-patients were compared with 50 matched controls. Patients reported spending less time in social interaction, but more time in unpleasant interaction during the previous week; they also had fewer attachment figures, close relatives and good friends and fewer social contacts than controls. However, the separate analysis of Neurotic and Retarded depressives (using the Present State Examination) failed to replicate all these findings in the Retarded depressives. It is concluded that these associations are confirmed in neurotic patients, but that the more severe depressive disorders require further investigation.

Adolescent↗
PubMed2005

Loneliness, social network size, and immune response to influenza vaccination in college freshmen.

Antibody response to the influenza immunization was investigated in 83 1st-semester healthy university freshmen. Elevated levels of loneliness throughout the semester and small social networks were independently associated with poorer antibody response to 1 component of the vaccine. Those with both high levels of loneliness and a small social network had the lowest antibody response. Loneliness was also associated with greater psychological stress and negative affect, less positive affect, poorer sleep efficiency and quality, and elevations in circulating levels of cortisol. However, only the stress data were consistent with mediation of the loneliness-antibody response relation. None of these variables were associated with social network size, and hence none were potential mediators of the relation between network size and immunization response.

Adolescent↗
PubMed1988

Older Canadians in Florida. The social networks of international seasonal migrants.

This study focuses on selected aspects of the social networks of older Canadians who are seasonal migrants to Florida, using a large respondent pool solicited from the readership of a newspaper serving the Canadian population in Florida. Findings such as the high rate of home ownership and the geographic stability of their Florida destination indicate the degree of integration in Florida. The respondent's contact with family members is relatively high while in Canada but considerably lower when in Florida. However, for a minority of respondents, a seasonal migration brings them closer to family members. This reduction of family contact is compensated by new friendships formed in the predominantly age-homogeneous residential environment of Florida. It is clear that older Canadians who winter in Florida have strong social networks when they are away from home.

Aged↗
PubMed1997

[Opinions about disease among members of the social network of patients with Hansen's disease in Recife].

This article describes a study done in Recife, Brazil, between November 1993 and July 1994 to explore the opinions of the members of the social network (for example, family members, friends, and neighbors) of carriers of Hansen's disease regarding their estimation, interpretation, and management of physical manifestations of the disease in the time leading up to diagnosis. The sample consisted of 93 members of the social network, ranging in age between 20 and 70 years, who supported the course of action of 83 patients diagnosed in the study period. The analysis sought to detect differing capacities among the members of the patients' social network to discriminate between persons classified as cases (presence of disabilities or precursor lesions) or controls. The study found a lack of information about transmission of Hansen's disease and revealed a transitional phase in which there was expectation of cure along with a stigmatizing view of the consequences of the disease. Only one-quarter of the study subjects suspected prior to diagnosis that the patient had Hansen's disease, which suggests low perception of the risk represented by the disease and reinforces the idea that its physical manifestations can be invisible. The results reveal a profile of perception and management of Hansen's disease that favors its propagation and the development or worsening of its physical and social consequences.

Adult↗
PubMed2006

System of mobile agents to model social networks.

We propose a model of mobile agents to construct social networks, based on a system of moving particles by keeping track of the collisions during their permanence in the system. We reproduce not only the degree distribution, clustering coefficient, and shortest path length of a large database of empirical friendship networks recently collected, but also some features related with their community structure. The model is completely characterized by the collision rate, and above a critical collision rate we find the emergence of a giant cluster in the universality class of two-dimensional percolation. Moreover, we propose possible schemes to reproduce other networks of particular social contacts, namely, sexual contacts.

Algorithms↗
PubMed2006

Health, quality of life, social network and use of health care: a comparison between those granted and those not granted disability pensions.

PURPOSE: The aim was to compare self-rated health, health-related quality of life (HRQoL), social networks and health care utilisation of those granted disability pension (DP) and those not granted disability pension (nDP). METHOD: Demographic data and medical diagnoses were obtained from the records of the social insurance office. Data concerning self-reported health, HRQoL social networks, and use of health care were collected by a postal questionnaire. The nDP group included all those not granted full DPs between 1999 and 2000 (n = 99). The DP group were a random sample of those granted full DPs, during the same period (n = 197). RESULTS: The nDP group had more often multiple diagnoses, and lower self-reported health and HRQoL compared to those granted DP. In particular, their average scores were lower on the SF-36 scales social functioning, role limitations due to physical problems and mental health. The nDP group also had significantly smaller social networks. CONCLUSIONS: Contrary to expectations, those not granted a disability pension do not seem to have better health, but rather to suffer from more sickness than those who were granted a disability pension.

Adult↗
PubMed1998

Satisfaction with social networks: an examination of socioemotional selectivity theory across cohorts.

This study examines L. L. Carstensen's (1993, 1995) socioemotional selectivity theory within and across three cohorts spanning 4 decades. Socioemotional selectivity theory predicts that as individuals age, they narrow their social networks to devote more emotional resources to fewer relationships with close friends and family. Data from 3 cohorts of nationally representative samples were analyzed to determine whether respondents' satisfaction with the size of their social networks differed by age, cohort, or both. Results support socioemotional selectivity theory: More older adults than younger adults were satisfied with the current size of their social networks rather than wanting larger networks. These findings are consistent across all cohorts. Results are discussed with respect to social relationships across the life course.

Adaptation, Psychological↗
PubMedDate not supplied

A baby has died: the impact of perinatal loss on family social networks.

OBJECTIVES: To describe the impact of a baby's death on the family's social network and to design nursing interventions to support families and their networks. DESIGN: Descriptive, with a qualitative approach. SETTING: An urban area of western Quebec. PARTICIPANTS: Twenty parents (mothers and fathers) who had experienced a perinatal loss (abortion, miscarriage, in-utero death, stillbirth, or death of a newborn within the 1st week of life) within the last 6 years. MAIN OUTCOME MEASURES: Self-administered questionnaires developed by the authors were completed by each parent. RESULTS: Family members' quality and quantity of ties with their network were profoundly affected by the perinatal loss. Some families experienced reinforcement of their bonds with their social network, but most suffered permanent losses of relationships with friends, colleagues, or extended family members. CONCLUSIONS: The quality and quantity of ties with one's network are associated with improved health status and life satisfaction. Considering the changes participants noted in their relationships within their network, further studies of the impact of these changes on family members' grieving process would be useful to guide nursing interventions.

Adaptation, Psychological↗
PubMed2006

Evolution of a social network: the role of cultural diversity.

We present a simple deterministic and based on local rules model of evolving social network, which leads to a network with the properties of a real social system, e.g., small-world topology and assortative mixing. The state of an individual Si is characterized by the values of Q cultural features, drawn from Gaussian distribution with variance sigma. The other control parameter is sociability Ti, which describes the maximal number of connections of an individual. The state of individuals and connections between them evolve in time. As results from numerical computations, an initial diversity of cultural features in a community has an essential influence on an evolution of social network. It was found that for a critical value of control parameter sigma c(Q) there is a structural transition and a hierarchical network with small-world topology of connections and a high clustering coefficient emerges. The emergence of small-world properties can be related to the creation of subculture groups in a community. The power-law relation between the clustering coefficient of a node and its connectivity C(k) approximately k-beta was observed in the case of a scale-free distribution of sociability Ti and a high enough cultural diversity in a population.

Journal Article↗
PubMed2005

Predictors of social network composition among homeless and runaway adolescents.

Recent research on the social support networks of homeless and runaway youth suggest the social networks of runaway youth are made up largely of transient deviant peer relationships. This paper examined social network characteristics of 428 homeless and runaway adolescents from small-to moderate-sized cities in four Midwestern states. We investigated size, homogeneity, and correlates of the composition of the instrumental and emotional support networks as reported by the adolescents. Results showed the networks are considerably heterogeneous, comprised of relationships from home and the street as well as family and non-related adults. Further, the composition of these networks is related to adolescent characteristics and experiences including sexual identity, abuse history, and street experience.

Adolescent↗
PubMedDate not supplied

Social network positions and smoking experimentation among Chinese adolescents.

OBJECTIVE: To explore the relationship between peer social network positions and smoking experimentation among Chinese adolescents. METHODS: Self-administered questionnaires were administered to 1040 adolescents in grades 6, 8, and 10. Paired-friendship linkages were used to assign participants into 3 mutually exclusive social network positions. RESULTS: Overall isolates were more likely to have experimented with cigarettes than were group members or liaisons. However, among male 10th graders, more group members or liaisons had smoked than isolates. CONCLUSIONS: Smoking experimentation differs by social position, particularly among older adolescents. The association of social position with smoking experimentation could not be explained completely by traditional peer-related variables.

Adolescent↗
PubMed2006

HIV risk behavior patterns, predictors, and sexually transmitted disease prevalence in the social networks of young Roma (Gypsy) men in Sofia, Bulgaria.

OBJECTIVES AND GOAL: This research studied predictors of high-risk sexual practices and sexually transmitted disease (STD) prevalence among Roma (Gypsy) men's social networks in Sofia, Bulgaria. STUDY DESIGN: Fifty-four socially active individuals, approached in Roma neighborhood venues, recruited members (n = 296) of their own networks into the study. Participants completed sociometric and risk behavior interviews and were tested for chlamydia, gonorrhea, syphilis, and trichomonas. RESULTS: Men had a mean of 7 partners in the past year. Fifty-nine percent had multiple partners in the past 3 months. Seventy-three percent reported recent unprotected vaginal and 51% unprotected anal intercourse. Fifty-nine percent of men had sex with other men in the past year. Twenty-two percent had one of the STDs. The social network to which an individual belonged accounted for 23% to 27% of variance in predicting sexual risk behavior. CONCLUSIONS: One's social network was the most powerful predictor of HIV risk behavior. HIV/STD prevention interventions directed toward entire social networks are especially promising.

Adolescent↗