Evidence map›Paper›PMID 15798034›Full record

ArticleAnnals of family medicine

The family contribution to health status: a population-level estimate.

Robert L Ferrer, Ray Palmer, Sandra Burge

Abstract read
In one paragraph

Article in Annals of family medicine. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

29 citing papers in PubMed.

  1. Trial
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  4. Linked Lives: Dyadic Trajectories of Cognitive Function Among Middle-Aged and Older Couples.The journals of gerontology. Series B, Psychological sciences and social sciences · 2025
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  17. Studying disability trends in aging populations.Journal of cross-cultural gerontology · 2015
    Review
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

3 authors.

Robert L FerrerDepartment of Family and Community Medicine, University of Texas Health Science Center at San Antonio, 78229-3900, USA. ferrerr@uthscsa.edu
Ray Palmer
Sandra Burge

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeClinical studies have shown strong family influences on individual health, but the aggregate importance of family effects for population health is unknown. Our objective was to estimate, at a population level, the variance in individual health status attributable to the family.

methodsSecondary data were used from the Community Tracking Study, a stratified random sample of the US population. Hierarchical linear modeling was used to estimate the individual and family components of health status. The setting was 60 US communities, which account for approximately one half of the population. Participants were US residents aged 18 years and older who shared a household with family members in the study (N = 35,055). Main outcome measures were the Short Form-12 (SF-12) self-reported physical and mental subscales.

resultsDepending on the family configuration, 4.5% to 26.1% of the variance in individual health status was derived from the family. The proportion was highest for older married persons. The family effect on health status was generally similar for physical and mental health. Including age, family income, and health insurance status in the regression equations moderately reduced the family variance component.

conclusionsAt a population level, the family contribution to individual health status is measurable and substantial. The shared characteristics of income and health insurance account for only a modest portion of the effect. Health policy and interventions should place more emphasis on the family's role in health.

Indexed as

FamilyHealth StatusAdolescentAdultAgedAged, 80 and overHumansMiddle AgedSurveys and QuestionnairesUnited States

Identifiers

PMID15798034
PMCPMC1466857

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.