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What aspects of social network are protective for dementia? Not the quantity but the quality of social interactions is protective up to 15 years later.

Abstract

OBJECTIVE

To test the association between several social networks variables reflecting both structural characteristics and quality of relationships with the risk of dementia and Alzheimer's disease 5 and up to 15 years later.

METHODS

The study sample is gathered from the Paquid cohort, a French population-based study of 3,777 elderly people evaluated at baseline and regularly revisited during a 15-year interval. The sample consisted of 2,089 subjects who completed the social network questionnaire and were free of dementia at the time of enrollment and also at the next two follow-ups to minimize the problem of reverse causality. The questionnaire collected at baseline included marital status, number of ties, nature of social network, satisfaction, perception of being understood/misunderstood, and reciprocity in relationships.

RESULTS

The incident cases of dementia considered were those diagnosed at 5-year and subsequent follow-ups, resulting in 461 dementia and 373 Alzheimer's disease cases. The multivariate Cox model, including the six social network variables and adjusted for numerous potential confounders, showed significant associations with satisfaction and reciprocity in relationships. Participants who felt satisfied with their relations had a 23% reduced dementia risk. Participants who reported that they received more support than they gave over their lifetime had a 55% and 53% reduced risk for dementia and Alzheimer's disease, respectively.

CONCLUSION

The only variables associated with subsequent dementia or Alzheimer's disease were those reflecting the quality of relationships. The delay between social network assessment and dementia diagnosis was from 5 up to 15 years, thus minimizing the problem of reverse causality.

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  • Authors+Show Affiliations

    ,

    INSERM, U897, Université Victor Ségalen Bordeaux 2, 146 rue Léo-Saignat, F-33076 Bordeaux Cedex, France. Helene.Amieva@isped.u-bordeaux2.fr

    , , , ,

    Source

    Psychosomatic medicine 72:9 2010 Nov pg 905-11

    MeSH

    Activities of Daily Living
    Aged
    Alzheimer Disease
    Dementia
    Female
    Humans
    Interpersonal Relations
    Longitudinal Studies
    Male
    Outcome Assessment (Health Care)
    Personal Satisfaction
    Prospective Studies
    Quality of Life
    Risk Factors
    Social Support
    Surveys and Questionnaires

    Pub Type(s)

    Comparative Study
    Journal Article
    Research Support, Non-U.S. Gov't

    Language

    eng

    PubMed ID

    20807876

    Citation

    Amieva, Hélène, et al. "What Aspects of Social Network Are Protective for Dementia? Not the Quantity but the Quality of Social Interactions Is Protective Up to 15 Years Later." Psychosomatic Medicine, vol. 72, no. 9, 2010, pp. 905-11.
    Amieva H, Stoykova R, Matharan F, et al. What aspects of social network are protective for dementia? Not the quantity but the quality of social interactions is protective up to 15 years later. Psychosom Med. 2010;72(9):905-11.
    Amieva, H., Stoykova, R., Matharan, F., Helmer, C., Antonucci, T. C., & Dartigues, J. F. (2010). What aspects of social network are protective for dementia? Not the quantity but the quality of social interactions is protective up to 15 years later. Psychosomatic Medicine, 72(9), pp. 905-11. doi:10.1097/PSY.0b013e3181f5e121.
    Amieva H, et al. What Aspects of Social Network Are Protective for Dementia? Not the Quantity but the Quality of Social Interactions Is Protective Up to 15 Years Later. Psychosom Med. 2010;72(9):905-11. PubMed PMID: 20807876.
    * Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - What aspects of social network are protective for dementia? Not the quantity but the quality of social interactions is protective up to 15 years later. AU - Amieva,Hélène, AU - Stoykova,Ralitsa, AU - Matharan,Fanny, AU - Helmer,Catherine, AU - Antonucci,Toni C, AU - Dartigues,Jean-François, Y1 - 2010/08/31/ PY - 2010/9/3/entrez PY - 2010/9/3/pubmed PY - 2011/1/12/medline SP - 905 EP - 11 JF - Psychosomatic medicine JO - Psychosom Med VL - 72 IS - 9 N2 - OBJECTIVE: To test the association between several social networks variables reflecting both structural characteristics and quality of relationships with the risk of dementia and Alzheimer's disease 5 and up to 15 years later. METHODS: The study sample is gathered from the Paquid cohort, a French population-based study of 3,777 elderly people evaluated at baseline and regularly revisited during a 15-year interval. The sample consisted of 2,089 subjects who completed the social network questionnaire and were free of dementia at the time of enrollment and also at the next two follow-ups to minimize the problem of reverse causality. The questionnaire collected at baseline included marital status, number of ties, nature of social network, satisfaction, perception of being understood/misunderstood, and reciprocity in relationships. RESULTS: The incident cases of dementia considered were those diagnosed at 5-year and subsequent follow-ups, resulting in 461 dementia and 373 Alzheimer's disease cases. The multivariate Cox model, including the six social network variables and adjusted for numerous potential confounders, showed significant associations with satisfaction and reciprocity in relationships. Participants who felt satisfied with their relations had a 23% reduced dementia risk. Participants who reported that they received more support than they gave over their lifetime had a 55% and 53% reduced risk for dementia and Alzheimer's disease, respectively. CONCLUSION: The only variables associated with subsequent dementia or Alzheimer's disease were those reflecting the quality of relationships. The delay between social network assessment and dementia diagnosis was from 5 up to 15 years, thus minimizing the problem of reverse causality. SN - 1534-7796 UR - https://www.unboundmedicine.com/medline/citation/20807876/What_aspects_of_social_network_are_protective_for_dementia_Not_the_quantity_but_the_quality_of_social_interactions_is_protective_up_to_15_years_later_ L2 - http://Insights.ovid.com/pubmed?pmid=20807876 DB - PRIME DP - Unbound Medicine ER -