期刊
PSYCHIATRY RESEARCH
卷 205, 期 3, 页码 205-212出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.psychres.2012.11.032
关键词
Cigarette smoking; Schizotypy; Schizophrenia
类别
资金
- National Institutes of Health through MD Anderson's Cancer Center [CA016672]
- National Cancer Institute [R25T CA57730]
- Latinos Contra el Cancer Community Networks Program Center, National Cancer Institute [U54CA153505]
- University of Texas MD Anderson Cancer Center Duncan Family Institute for Cancer Prevention and Risk Assessment
Compared to smokers in the general population, smokers with schizophrenia smoke more cigarettes per day and have higher nicotine dependence and biochemical indicators of nicotine intake. They also have more intense smoking topography and greater positive smoking expectancies. Little is known about the relationship between smoking and schizotypy, defined as the personality organization reflecting a vulnerability to schizophrenia-spectrum pathology. This study assessed schizotypy symptoms, smoking characteristics and behaviors, and smoking expectancies in young adults with psychometrically defined schizotypy and demographically matched controls without schizotypy. Smokers with schizotypy had higher nicotine dependence and smoked more cigarettes per week compared to control smokers. They were also more likely to endorse greater positive consequences (i.e., improved state enhancement, stimulation, social facilitation, taste/sensorimotor manipulation, reduced negative affect and boredom) and fewer negative consequences of smoking. Smokers with schizotypy and control smokers did not differ on smoking topography or carbon monoxide levels. This is the first known study to investigate relationships between these smoking-related variables in smokers with schizotypy. Individuals with schizotypy possessed certain smoking-related characteristics and smoking expectancies similar to those with schizophrenia. This offers preliminary insight into unique smoking-related factors among individuals with schizotypy and highlights the importance of continued research in this area. (C) 2012 Elsevier Ireland Ltd. All rights reserved.
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