Purpose This study examined associations of gender identity and sexual orientation with self-reported eating disorder (SR-ED) diagnosis and compensatory behaviors (CB) in trans- and cis-gender college students. Methods Data came from 289,024 students from 223 U.S. universities participating in The American College Health Association – National College Health Assessment II (median age 20 years). Rates of self-reported past year SR-ED diagnosis and past month use of diet pills and vomiting or laxatives were compared among transgender students (n=479) and cisgender sexual minority male (n=5,977) and female (n=9,445), unsure male (n=1,662) and female (n=3,395), and heterosexual male (n=91,599) and female (n=176,467) students using chi-squared tests. Logistic regression models were used to estimate the odds of eating-related pathology outcomes after adjusting for covariates. Results Rates of past year SR-ED diagnosis and past month use of diet pills and vomiting or laxatives were highest among transgender students and lowest cisgender heterosexual men. Compared to cisgender heterosexual women, transgender students had greater odds of past year SR-ED diagnosis (OR: 4.62, 95% CI: 3.41-6.26) and past month use of diet pills (OR: 2.05, 95% CI: 1.48-2.83) and vomiting or laxatives (OR: 2.46, 95% CI: 1.83-3.30). Although cisgender sexual minority men and unsure men and women also had elevated rates of SR-ED diagnosis than heterosexual women, the magnitudes of these associations were lower than for transgender individuals (ORs: 1.40-1.54). Conclusions Transgender and cisgender sexual minority young adults have elevated rates of CB and SR-ED diagnosis. Appropriate interventions for these populations are urgently needed.
Purpose: To investigate whether the prevalence of eating disorders (EDs) differs across diverse gender identity groups in a transgender sample.Methods: Secondary analysis of data from Project VOICE, a cross-sectional study of stress and health among 452 transgender adults (ages 18–75 years) residing in Massachusetts. Age-adjusted logistic regression models were fit to compare the prevalence of self-reported lifetime EDs in female-to-male (FTM), male-to-female (MTF), and gender-nonconforming participants assigned male at birth (MBGNC) to gender-nonconforming participants assigned female at birth (FBGNC; referent).Results: The age-adjusted odds of self-reported ED in MTF participants were 0.14 times the odds of self-reported ED in FBGNC participants (p=0.022). In FTM participants, the age-adjusted odds of self-reported ED were 0.46 times the odds of self-reported ED in FBGNC participants, a marginally significant finding (p=0.068). No statistically significant differences in ED prevalence were found for MBGNC individuals.Conclusions: Gender nonconforming individuals assigned a female sex at birth appear to have heightened lifetime risk of EDs relative to MTF participants. Further research into specific biologic and psychosocial ED risk factors and gender-responsive intervention strategies are urgently needed. Training clinical providers and ensuring competency of treatment services beyond the gender binary will be vital to addressing this disparity.
IMPORTANCE Adult mood disorders are often preceded by behavioral and emotional problems in childhood. It is yet unclear what explains the associations between childhood psychopathology and adult traits. OBJECTIVE To investigate whether genetic risk for adult mood disorders and associated traits is associated with childhood disorders.
Previous research suggests that maternal eating disorders are associated with adverse pregnancy, delivery, and neonatal outcomes. In turn, adverse perinatal outcomes have been associated with subsequent eating disorder risk in adult offspring, possibly reflecting a transgenerational cycle of risk. Previous studies of the relationship between maternal eating disorders and adverse perinatal outcomes have failed to control for familial transmission of perinatal event phenotypes, which may confound the association. In a unique design afforded by the Norwegian Mother and Child Cohort Study (MoBa) and Medical Birth Registry of Norway, we linked three generations through birth register records and maternal-reported survey data. The aim was to determine if maternal eating disorders increase risk after parsing out the contribution of familial transmission of perinatal events. The samples were 70,881 pregnancies in grandmother-mother-child triads for analyses concerning eating disorder exposure during pregnancy and 52,348 for analyses concerning lifetime maternal eating disorder exposure. As hypothesized, eating disorders predicted a higher incidence of perinatal complications even after adjusting for grandmaternal perinatal events. For example, anorexia nervosa immediately prior to pregnancy was associated with smaller birth length (relative risk = 1.62, 95% confidence interval = 1.20, 2.14), bulimia nervosa with induced labor (1.21; 1.07, 1.36), and binge-eating disorder with several delivery complications, larger birth length (1.25; 1.17, 1.34), and large-for-gestational-age (1.04; 1.01, 1.06). Maternal pregravid body mass index and gestational weight mediated most associations. Our results support the contention that exposure to eating disorders increases the risk for negative health outcomes in pregnant women and their babies.
The objective of this study was to examine interrelationships between child maltreatment, post-traumatic stress disorder (PTSD) and body mass index (BMI) in young women. We used multinomial logistic regression models to explore the possibility that PTSD statistically mediates or moderates the association between BMI category and self-reported childhood sexual abuse (CSA), physical abuse (CPA), or neglect among 3699 young women participating in a population-based twin study. Obese women had the highest prevalence of CSA, CPA, neglect, and PTSD (p<0.001 for all). Although all three forms of child maltreatment were significantly, positively associated with overweight and obesity in unadjusted models, only CSA was significantly associated with obesity after adjusting for other forms of maltreatment and covariates (OR = 2.21, 95% CI: 1.63, 3.00). CSA and neglect, but not CPA, were associated with underweight in unadjusted models; however, after adjusting for other forms of maltreatment and covariates, the associations were no longer statistically significant (OR = 1.43; 95% CI: 0.90-2.28 and OR = 2.16; 95% CI: 0.90-5.16 for CSA and neglect, respectively). Further adjustment for PTSD generally resulted in modest attenuation of effects across associations of child maltreatment forms with BMI categories, suggesting that PTSD may, at most, be only a weak partial mediator of these associations. Future longitudinal studies are needed to elucidate the mechanisms linking CSA and obesity and to further evaluate the role of PTSD in associations between child maltreatment and obesity.
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