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1.
Drug Alcohol Depend ; 200: 40-49, 2019 07 01.
Article in English | MEDLINE | ID: mdl-31085377

ABSTRACT

BACKGROUND: Little is known about event-level patterns of marijuana co- or tri-use with alcohol and tobacco. Thus, the study goal was to examine patterns of same-day alcohol, cigarette, and marijuana co- and tri-use at the individual level in non-treatment-seeking alcohol users. METHODS: Participants (N = 551) completed an in-person interview for alcohol, cigarette, and marijuana use over the previous 30 days, and the event-level substance use patterns of n = 179 participants who reported using each of these substances at least once per month were analyzed. RESULTS: The use of alcohol, marijuana, or cigarettes independently increased the probability of subsequent, simultaneous co-use of one of the two remaining substances. The co-use of alcohol with cigarettes and marijuana with cigarettes produced generally additive effects on the odds of same day tri-use of marijuana and alcohol, respectively. Conversely, the co-use of alcohol and marijuana produced sub-additive effects on likelihood of cigarette use. Sex moderated several of the observed patterns of co- and tri-use: the relationship between alcohol or cigarette use predicting marijuana co-use was stronger in men, whereas the observed additive relationships between drug co-use leading to tri-use was stronger in women. CONCLUSIONS: The presented results may aid in the understanding of how simultaneous co-use of marijuana with alcohol and/or tobacco relates to the etiology, maintenance, and treatment of comorbid and trimorbid substance use disorder. Replication and extension of the results in treatment seeking populations using more fine-grained analysis approaches, e.g. ecological momentary assessment, is needed.


Subject(s)
Alcohol Drinking/epidemiology , Marijuana Use/epidemiology , Substance-Related Disorders/epidemiology , Tobacco Smoking/epidemiology , Adult , Alcohol Drinking/psychology , Alcohol Drinking/trends , Comorbidity , Ecological Momentary Assessment , Female , Humans , Male , Marijuana Use/psychology , Marijuana Use/trends , Substance-Related Disorders/psychology , Tobacco Smoking/psychology , Tobacco Smoking/trends , Young Adult
2.
Obes Rev ; 18(5): 514-525, 2017 05.
Article in English | MEDLINE | ID: mdl-28296057

ABSTRACT

Low adherence to guidelines for weight-related behaviours (e.g. dietary intake and physical activity) among US children underscores the need to better understand how parental factors may influence children's obesity risk. In addition to most often acting as primary caregiver to their children, women are also known to experience greater levels of stress than men. This study systematically reviewed associations between maternal stress and children's weight-related behaviours. Our search returned 14 eligible articles, representing 25 unique associations of maternal stress with a distinct child weight-related behaviour (i.e. healthy diet [n = 3], unhealthy diet [n = 6], physical activity [n = 7] and sedentary behaviour [n = 9]). Overall, findings for the relationship between maternal stress and children's weight-related behaviours were mixed, with no evidence for an association with children's healthy or unhealthy dietary intake, but fairly consistent evidence for the association of maternal stress with children's lower physical activity and higher sedentary behaviour. Recommendations for future research include prioritizing prospective designs, identifying moderators, and use of high-resolution, real-time data collection techniques to elucidate potential mechanisms.


Subject(s)
Mothers/psychology , Pediatric Obesity/epidemiology , Pediatric Obesity/psychology , Stress, Psychological/epidemiology , Child , Child Behavior/psychology , Diet , Diet, Healthy , Exercise , Female , Health Behavior , Humans , Parenting/psychology , Pregnancy , Sedentary Behavior , United States/epidemiology
3.
Pharmacogenomics J ; 12(1): 86-92, 2012 Feb.
Article in English | MEDLINE | ID: mdl-20661272

ABSTRACT

Smokers (≥10 cigarettes per day, N=331) of European ancestry taking part in a double-blind placebo-controlled randomized trial of 12 weeks of treatment with bupropion along with counseling for smoking cessation were genotyped for a variable number of tandem repeats polymorphism in exon III of the dopamine D4 receptor gene. Generalized estimating equations predicting point-prevalence abstinence at end of treatment and 2, 6 and 12 months after the end of treatment indicated that bupropion (vs placebo) predicted increased odds of abstinence. The main effect of Genotype was not significant. A Genotype × Treatment interaction (P=0.005) showed that bupropion predicted increased odds of abstinence in long-allele carriers (odds ratios (OR)=1.31, P<0.0001), whereas bupropion was not associated with abstinence among short-allele homozygotes (OR=1.06, P=0.23). The Genotype × Treatment interaction remained when controlling for demographic and clinical covariates (P=0.01) and in analyses predicting continuous abstinence (P's≤0.054). Bupropion may be more efficacious for smokers who carry the long allele, which is relevant to personalized pharmacogenetic treatment approaches.


Subject(s)
Bupropion/therapeutic use , Dopamine Uptake Inhibitors/therapeutic use , Genetic Variation , Receptors, Dopamine D4/genetics , Smoking Cessation/methods , Smoking/genetics , Adult , Bupropion/pharmacology , Cross-Sectional Studies , Dopamine Uptake Inhibitors/pharmacology , Double-Blind Method , Female , Genotype , Humans , Male , Middle Aged , Smoking/drug therapy , Treatment Outcome
4.
Urology ; 39(6): 558-62, 1992 Jun.
Article in English | MEDLINE | ID: mdl-1615609

ABSTRACT

Three cases of familial gonadal tumors are reported. Genetic studies were conducted in 2 cases: a brother and sister with embryonal carcinoma and a benign cystic teratoma, respectively, and a father and son with embryonal carcinoma. DNA flow cytometry of paraffin-embedded tumors and constitutional karyotyping were performed. Further genetic studies are emphasized.


Subject(s)
DNA, Neoplasm/analysis , Genital Neoplasms, Female/genetics , Genital Neoplasms, Male/genetics , Adult , Female , Flow Cytometry , Genital Neoplasms, Female/chemistry , Genital Neoplasms, Female/pathology , Genital Neoplasms, Male/chemistry , Genital Neoplasms, Male/pathology , Humans , Male , Middle Aged , Pedigree
7.
J Clin Psychol ; 22(4): 459-61, 1966 Oct.
Article in English | MEDLINE | ID: mdl-5970289
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