Evidence map›Paper›PMID 22347412›Full record

ArticlePloS one2012

Cigarette smoking in male patients with chronic schizophrenia in a Chinese population: prevalence and relationship to clinical phenotypes.

Xiang Yang Zhang, Jun Liang, Da Chun Chen, Mei Hong Xiu, Jincai He, Wei Cheng, Zhiwei Wu, Fu De Yang, Colin N Haile, Hongqiang Sun and 3 more

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed, 1 pooled it
2.9field-weighted citation impact, top 9% 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

32 citing papers in PubMed, 1 synthesis or guideline pooled it, 65 citations in OpenAlex.

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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

13 authors at 3 institutions in 2 countries.

Xiang Yang ZhangMenninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, Texas, United States of America. xyzhang@bcm.edu
Jun Liang
Da Chun Chen
Mei Hong Xiu
Jincai He
Wei Cheng
Zhiwei Wu
Fu De Yang
Colin N Haile
Hongqiang Sun
Lin Lu
Therese A Kosten
Thomas R Kosten
Baylor College of Medicine · USPeking University · CNWenzhou Medical University · CN

Funding

COMORBIDITY IN COCAINE AND OPIOID PHARMACOTHERAPYK05DA000454 · NIDA · YALE UNIVERSITY · PI KOSTEN, THOMAS RICHARD · 2000 to 2010
$1.3M
Tropisetron with Risperidone for SchizophreniaU01MH079639 · NIMH · BAYLOR COLLEGE OF MEDICINE · PI KOSTEN, THOMAS RICHARD · 2007 to 2009
$827k
NIDA NIH HHS K05 DA000454NIDA NIH HHS K05-DA0454NIDA NIH HHS N01 DA018827NIDA NIH HHS P50-DA18827NIMH NIH HHS U01 MH079639NIMH NIH HHS U01-MH79639
6 · The paper itself

Abstract

The high prevalence of smoking in schizophrenia of European background may be related to smoking's reducing clinical symptoms and medication side effects. Because smoking prevalence and its associations with clinical phenotypes are less well characterized in Chinese than European patients with schizophrenia, we assessed these smoking behaviors using clinician-administered questionnaires and the Fagerstrom Test for Nicotine Dependence (FTND) in 776 Chinese male schizophrenia and 560 control subjects. Patients also were rated on the Positive and Negative Symptom Scale (PANSS), the Simpson and Angus Extrapyramidal Symptom Rating Scale (SAES), and the Abnormal Involuntary Movement Scale (AIMS). We found that the schizophrenia patients had a higher lifetime incidence of smoking (79% vs 63%), were more likely to be heavy smokers (61% vs 31%), and had lower smoking cessation rates (4% vs 9%) (all p<0.0001) than controls. Among the schizophrenia patients smoking prevalence increased with age, with the largest difference from controls in the age cohort of 55-75 years: 75% vs 46% (p<0.0001). Among the schizophrenia smokers 73% started to smoke before the onset of their illness by an average of 7.6 years. The patients with schizophrenia who were current smokers scored significantly lower on the PANSS negative symptom subscore (p<0.005), and on the SAES symptom scale (p<0.04; Bonferroni corrected p>0.05) than the non-smoking patients. These results suggest that Chinese males with schizophrenia smoke more frequently than the general population. Further, smokers with schizophrenia may display fewer negative symptoms and possibly less parkinsonism than non-smokers with schizophrenia.

Indexed as

Schizophrenic PsychologyAgedAge FactorsAsian PeopleCase-Control StudiesHumansMaleMiddle AgedPhenotypePrevalenceSmokingSurveys and Questionnaires

Identifiers

PMID22347412
PMCPMC3274516
OpenAlexW2062651377

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.