2008
DOI: 10.1097/psy.0b013e31815c40f1
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Shared Temperament Risk Factors for Anorexia Nervosa: A Twin Study

Abstract: Objective: To answer two questions about the nature of the relationship between anorexia nervosa (AN) and dimensional temperament traits: Which traits are comorbid with AN? Which traits share transmitted liabilities with AN? Methods: A community sample of 1002 same-gender female twins was selected with respect to participation in two earlier waves of data collection. Measures of eating disorder diagnoses and features were ascertained through interview and continuous measures of temperament were ascertained fro… Show more

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Cited by 87 publications
(57 citation statements)
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“…32 Our BN/AN1 patients also had higher levels of perfectionism and higher reward dependence, two traits strongly associated to AN. 31,33 These findings are in accordance with the fact that, even having recovered from their past condition, BN/ AN1 patients tend to retain some traits from AN. In addition, they had more severe bulimic symptoms at the beginning of the treatment (higher initial scores in the BITE and the PSRs) and a greater tendency to present a lack of response after 6 months of treatment (29% of BN/AN1 patients vs. 6% of BN/AN2 did not respond).…”
Section: Discussionsupporting
confidence: 81%
“…32 Our BN/AN1 patients also had higher levels of perfectionism and higher reward dependence, two traits strongly associated to AN. 31,33 These findings are in accordance with the fact that, even having recovered from their past condition, BN/ AN1 patients tend to retain some traits from AN. In addition, they had more severe bulimic symptoms at the beginning of the treatment (higher initial scores in the BITE and the PSRs) and a greater tendency to present a lack of response after 6 months of treatment (29% of BN/AN1 patients vs. 6% of BN/AN2 did not respond).…”
Section: Discussionsupporting
confidence: 81%
“…58 Perfectionism, by contrast, has been conceptualized to be distinct from impulsivity and most relevant for restricting eating disorders. 59 Our finding that childhood impulsivity, and not inattention or hyperactivity, appeared to be most predictive of adolescent BN pathology supports this hypothesized mechanism. Future research with ADHD samples, however, should consider other types of eating pathology for which impulsivity may be relevant, such as bingeeating disorder.…”
Section: Discussionsupporting
confidence: 65%
“…Once the ED obsessional behaviour is removed from the scoring of obsessional PD, this is no longer a common PD among ED patients [31]. Rather, AN patients have features of obsessional PD, but their obsessionality is largely restricted to their eating and weight behaviours [32,33]. …”
Section: Discussionmentioning
confidence: 99%