Evidence map›Paper›PMID 26676904›Full record

ArticleEnvironmental health and preventive medicine2016

Association between subjective memory complaints and depressive symptoms after adjustment for genetic and family environmental factors in a Japanese twin study.

Haruka Tanaka, Soshiro Ogata, Kayoko Omura, Chika Honda, Osaka Twin Research Group, Kei Kamide, Kazuo Hayakawa

Open access · goldAbstract readTwin Study
In one paragraph

Article in Environmental health and preventive medicine, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact, top 84% of its field
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

2 citing papers in PubMed, 3 citations in OpenAlex.

  1. 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

7 authors at 2 institutions in 1 country.

Haruka TanakaDepartment of Health Promotion Science, Osaka University Graduate School of Medicine, Suita, Osaka, Japan. haruka.tanaka@mcn.ac.jp.
Soshiro OgataDepartment of Health Promotion Science, Osaka University Graduate School of Medicine, Suita, Osaka, Japan.
Kayoko OmuraMie Prefectural College of Nursing, 1-1-1 Yumegaoka, Tsu, Mie, 514-0116, Japan.
Chika HondaCenter for Twin Research, Osaka University Graduate School of Medicine, Suita, Osaka, Japan.
Osaka Twin Research Group
Kei KamideDepartment of Health Promotion Science, Osaka University Graduate School of Medicine, Suita, Osaka, Japan.
Kazuo HayakawaMie Prefectural College of Nursing, 1-1-1 Yumegaoka, Tsu, Mie, 514-0116, Japan.
Osaka University · JPMie Prefectural College Of Nursing · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesThe aim of this study was to investigate the association between subjective memory complaints (SMCs) and depressive symptoms, with and without adjustment for genetic and family environmental factors.

methodsWe conducted a cross-sectional study using twins and measured SMCs and depressive symptoms as outcomes and explanatory variables, respectively. First, we performed regression analyses using generalized estimating equations to investigate the associations between SMCs and depressive symptoms without adjustment for genetic and family environmental factors (individual-level analyses). We then performed regression analyses for within-pair differences using monozygotic (MZ) and dizygotic (DZ) twin pairs and MZ twin pairs to investigate these associations with adjustment for genetic and family environmental factors by subtracting the values of one twin from those of co-twin variables (within-pair level analyses). Therefore, differences between the associations at individual- and within-pair level analyses suggested confounding by genetic factors.

resultsWe included 556 twins aged ≥ 20 years. In the individual-level analyses, SMCs were significantly associated with depressive symptoms in both males and females [standardized coefficients: males, 0.23 (95% CI 0.08-0.38); females, 0.35 (95% CI 0.23-0.46)]. In the within-pair level analyses using MZ and same-sex DZ twin pairs, SMCs were significantly associated with depressive symptoms. In the within-pair level analyses using the MZ twin pairs, SMCs were significantly associated with depressive symptoms [standardized coefficients: males, 0.32 (95% CI 0.08-0.56); females, 0.24 (95% CI 0.13-0.42)].

conclusionsThis study suggested that SMCs were significantly associated with depressive symptoms after adjustment for genetic and family environmental factors.

Indexed as

AdultAgedAged, 80 and overCross-Sectional StudiesDepressionFemaleHumansJapanMaleMemory DisordersMiddle AgedRisk FactorsTwins, DizygoticTwins, MonozygoticYoung AdultDepressive symptomsSubjective memory complaintsTwin study

Identifiers

PMID26676904
PMCPMC4771640
OpenAlexW2296362144

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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.