Evidence map›Paper›PMID 32779628›Full record

ArticleJournal of epidemiology2021

Association Between Social Isolation and Smoking in Japan and England.

Takaaki Ikeda, Noriko Cable, Masashige Saito, Shihoko Koyama, Taishi Tsuji, Taiji Noguchi, Katsunori Kondo, Ken Osaka, Jun Aida

Abstract read
In one paragraph

Article in Journal of epidemiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing 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

18 citing papers in PubMed.

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  11. Social Isolation and Worsening Health Behaviors Among Older Adults During the COVID-19 Pandemic.The journals of gerontology. Series B, Psychological sciences and social sciences · 2023
    Article
  12. Examining the Association of Social Isolation and Smoking in Older Adults.Journal of applied gerontology : the official journal of the Southern Gerontological Society · 2023
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  13. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Takaaki IkedaDepartment of Health Policy Science, Graduate School of Medical Science, Yamagata University.ORCID 0000-0003-4325-4492
Noriko CableDepartment of Epidemiology and Public Health, University College London.
Masashige SaitoDepartment of Social Welfare, Nihon Fukushi University.ORCID 0000-0002-3997-3884
Shihoko KoyamaCancer Control Center, Osaka International Cancer Institute.ORCID 0000-0002-7786-4910
Taishi TsujiFaculty of Health and Sport Sciences, University of Tsukuba.ORCID 0000-0002-8408-6619
Taiji NoguchiDepartment of Social Science, National Center for Geriatrics and Gerontology.ORCID 0000-0001-9165-5501
Katsunori KondoDepartment of Social Preventive Medical Sciences, Center for Preventive Medical Sciences, Chiba University.
Ken OsakaDepartment of International and Community Oral Health, Tohoku University Graduate School of Dentistry.ORCID 0000-0001-6885-9514
Jun AidaDepartment of Oral Health Promotion, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University.ORCID 0000-0002-8405-9872

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundExisting evidence suggest that those who are socially isolated are at risk for taking up or continuing smoking. This study investigated country-based differences in social isolation and smoking status.

methodsWe performed a repeated cross-sectional study using two waves of data from two ongoing aging studies: the English Longitudinal Study of Ageing and the Japan Gerontological Evaluation Study. Participants from both studies aged ≥65 years were included. We applied a multilevel Poisson regression model to examine the association between social isolation and smoking status and adjusted for individual sociodemographic characteristics. We used the social isolation index which comprises the following domains: marital status; frequency of contact with friends, family, and children; and participation in social activities. Interaction terms between each country and social isolation were also entered into the mode.

resultsAfter exclusion of never smokers, we analyzed 75,905 participants (7,092 for ELSA and 68,813 for JAGES, respectively). Taking ex-smokers as the reference, social isolation was significantly associated with current smoking; the prevalence ratios (PRs) were 1.06 (95% credible interval [CrI], 1.05-1.08) for men and 1.08 (95% CrI, 1.04-1.11) for women. Taking Japan as a reference, the interaction term between country and social isolation was significant for both sexes, with increased PRs of 1.32 (95% CrI, 1.14-1.50) for men and 1.30 (95% CrI, 1.11-1.49) for women in England.

conclusionsOlder people who were less socially isolated were more likely to quit smoking in England than in Japan, possibly explained by the strict tobacco control policies in England.

Indexed as

AgedCross-Sectional StudiesEnglandFemaleHumansJapanMaleRisk FactorsSmokingSocial IsolationELSAJAGESrepeated cross-sectional studysmoking statussocial isolation

Identifiers

PMID32779628
PMCPMC8421201

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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.