Hypothyroidism, fibromyalgia, chronic fatigue syndrome, autoimmune diseases, allergies and asthma are all significantly more common in women with endometriosis than in women in the general USA population.
This study investigated the convergence of temperament dimensions with constructs from C. R. Cloninger's (1987a) theory using data from a sample of 949 adolescents (M age = 13.6 years). Substantial convergence was found, and both types of constructs were related in predicted ways to self-regulation variables and adolescent substance use. Structural modeling procedures tested a mediational model for substance use; results showed mediation through self-control, academic competence, negative life events, and deviant peer affiliations. Interactions indicated that substance use could be predicted from a balance of systems for good control and poor control. Poor self-control was present for dimensions implicated in both externalizing and internalizing disorders. Results are discussed with reference to self-regulation models of substance use and the comorbidity of substance abuse and mental disorder.
This research tested how the effect of parental emotional and instrumental support on substance (tobacco, alcohol, and marijuana) use in adolescents is mediated. Data were from a sample of 1,702 adolescents surveyed between the 7th and 9th grades. Parental support was inversely related to substance use, and stress-buffering interactions were found at all assessment points. Structural modeling analyses indicated the effect of support was mediated through more behavioral coping and academic competence and less tolerance for deviance and behavioral undercontrol; these mediators were related to negative life events and deviant peer affiliations. Multiple-group analyses suggested buffering effects occurred because high support reduced the effect of risk factors and increased the effect of protective factors. Implications for the theory of social support effects and resilience mechanisms are discussed.
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