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Sedentary behavior and psychiatric symptoms in overweight and obese adults with schizophrenia and schizoaffective disorders (WAIST Study).

Abstract：

OBJECTIVE:Examine the association between sedentary behavior and psychiatric symptoms among overweight and obese adults with schizophrenia or schizoaffective disorders (SZO/SA). DESIGN:Randomized clinical trial; Weight Assessment and Intervention in Schizophrenia Treatment (WAIST) Study: baseline data collected 2005-2008. SETTING:University of Pittsburgh Medical Center, Pittsburgh, PA, USA. PARTICIPANTS:Community-dwelling adults diagnosed with SZO/SA, with mild symptom severity [Positive and Negative Syndrome Scale (PANSS)<90], who were interested in losing weight, age 18-70years, BMI>27kg/m(2). MEASUREMENTS:Objectively measured sedentary behavior by accelerometry, and psychopathology assessed by PANSS. Participants wore the actigraphs for 7 consecutive days during their waking hours. Sedentary behavior was defined as ≤100 counts per minute during wear-time and excluded sleep and non-wear time. RESULTS:On average, 81% of the participant's monitoring time or 756min/day was classified as sedentary behavior using accelerometry. No association was observed between sedentary behaviors and PANSS psychiatric symptoms [total (p≥0.75), positive (p≥0.81), negative (p≥0.59) and general psychopathology (p≥0.65) subscales]. No association was observed between sedentary behaviors and age, race, gender and BMI. CONCLUSION:From a clinical and public health perspective, the amount of time (approximately 13h) and percentage of time (81% excluding non-wear time associated with sleeping) engaged in sedentary behavior among overweight and obese adults in this population is alarming, and points to an urgent need for interventions to decrease sedentary behaviors. The lack of associations between sedentary behavior and psychiatric symptoms may be due to a ceiling effect for sedentary behavior.

journal_name

Schizophr Res

journal_title

Schizophrenia research

authors

Janney CA,Ganguli R,Richardson CR,Holleman RG,Tang G,Cauley JA,Kriska AM

doi

10.1016/j.schres.2013.01.010

subject

Has Abstract

pub_date

2013-04-01 00:00:00

pages

63-8

issue

1-3

eissn

0920-9964

issn

1573-2509

pii

S0920-9964(13)00048-0

journal_volume

145

pub_type

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