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Neighborhood-level predictors of age at onset and duration of untreated psychosis in first-episode psychotic disorders.

Abstract：

OBJECTIVE:Recent years have witnessed growing interest in the role of the social environment in the development and outcomes of schizophrenia. We investigated whether neighborhood characteristics are associated with two important prognostic factors in early-course psychosis, age at onset of psychosis (AOP) and duration of untreated psychosis (DUP). METHODS:Data were collected from patients admitted to the hospital for first-episode schizophrenia-spectrum disorder. We collected data on perceived neighborhood disorder during childhood/adolescence and extracted data on 13 neighborhood characteristics from the American Community Survey based upon individual addresses. Four neighborhood-level factors were derived from factor analysis. Multiple logistic regression analyses assessed the association between specific neighborhood characteristics and the two prognostic factors (earlier AOP and longer DUP) in early-course psychosis. RESULTS:143 participants had valid addresses geo-coded. Neighborhood-level residential instability was associated with an earlier AOP (OR = 1.760; p = 0.022) even after controlling for known risk factors (OR = 2.026; p = 0.020) and also after controlling for individual-level residential instability (OR = 1.917; p = 0.037). The general socioeconomic status neighborhood factor (OR = 1.119; p = 0.019) and perceived neighborhood disorder (OR = 1.075; p = 0.005) were associated with a longer DUP. But only perceived neighborhood disorder (OR = 1.146; p = 0.011) remained significant, and general socioeconomic status was close to significant (OR = 1.215; p = 0.062), after controlling for individual-level predictors and socioeconomic status. CONCLUSIONS:This study found evidence that neighborhood-level characteristics (in this case, residential instability) may be associated with earlier AOP, and perceptions of neighborhood disorder are associated with a longer treatment delay. Socioenvironmental factors should be more consistently considered going forward in research on early psychotic disorders.

journal_name

Schizophr Res

journal_title

Schizophrenia research

authors

Ku BS,Pauselli L,Manseau M,Compton MT

doi

10.1016/j.schres.2019.12.036

subject

Has Abstract

pub_date

2020-04-01 00:00:00

pages

247-254

eissn

0920-9964

issn

1573-2509

pii

S0920-9964(19)30606-1

journal_volume

218

pub_type

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Neighborhood-level predictors of age at onset and duration of untreated psychosis in first-episode psychotic disorders.