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Results for “Environmental behavior”

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At least 433 records · Page 24Linked to original sources

PubMed2003

Differences in behavior, psychological factors, and environmental factors associated with participation in school sports and other activities in adolescence.

This study examined whether participation in school team sports, exclusively or in combination with other extracurricular activities, is associated with higher levels of psychosocial functioning and healthy behavior than participation in other extracurricular activities alone or nonparticipation. The study sample includes 50,168 ninth grade public school students who completed an anonymous, voluntary statewide survey in 2001. Students were classified into four groups based on their participation in sports and other activities (such as clubs, volunteer work, band, choir, or music lessons): neither, both, other activities only, and sports only. Odds ratios for the group involved in both types of activities were significantly higher than those for all the other groups for all healthy behaviors and measures of connectedness, and significantly lower for all but one of the unhealthy behaviors. Students involved in sports, alone or in combination with other activities, had significantly higher odds than the other two groups for exercise, milk consumption, and healthy self-image, and significantly lower odds for emotional distress, suicidal behavior, family substance abuse, and physical and sexual abuse victimization. Students involved in other activities, alone or in combination with sports, had significantly higher odds than the other two groups for doing homework and significantly lower odds for alcohol consumption, marijuana use, and vandalism. The finding that abuse victims appeared to avoid sports but not other group activities raises concern and merits further research. Considering the potential benefits of participation in sports and other activities, more research is needed to identify and overcome barriers or deterrents, particularly for youth from low-income families.

Adolescent↗

PubMed2001

Health promotion approach for the control of food-borne parasitic zoonoses in Nepal: emphasis on an environmental assessment.

Green and Kreuter define health promotion as the use of both education and ecology to encourage and support living conditions conducive to good health. Their PRECEDE-PROCEED model delineates a practical way to cope with health problems using this definition. Applying PRECEDE to Nepal helps identify the steps needed to control the ever-increasing incidence of food-borne parasitic zoonoses (FBPZ) there and in other South Asian countries. In executing the first five steps of the model, we focused on behavioral and environmental assessments to find a method for controlling FBPZ. Through these two assessments, we identified the following behavioral and environmental objectives: establish a meat inspection system by 2003, establish training programs on safe meat production and selling practices by 2003, improve slaughterhouses and slaughtering practices by 2003. The educational and ecological assessments revealed that the necessary predisposing, reinforcing and enabling factors for appropriate control of FBPZ are present in Nepal, while an administration and policy assessment shows Nepal meets PRECEDE requirements through its recent meat inspection legislation. Although the data for each element of the PRECEDE-PROCEED model are limited in Nepal, they clearly tell us to move forward to the PROCEED stage to control FBPZ there as well as in all of South Asia.

Abattoirs↗

PubMed2001

Environmental health and antisocial behavior: implications for public policy.

Antisocial behavior persists as a preeminent public policy issue in the United States. A more critical assessment of both the policies and the programs designed to address this problem is necessary, and new risk factors for antisocial behavior need to be investigated. Sufficient evidence exists to hypothesize that exposure to neurotoxins may be a risk factor for antisocial behavior. Neurotoxins such as lead have been demonstrated to affect the cognitive development of children, and impaired cognition is accepted as a risk factor for antisocial behavior. Little consideration has been given, however, to the possible link between neurotoxins and human behavior. This paper presents a biologically and socially plausible justification for this association, reviews the supporting evidence, and emphasizes the need for additional investigation of the phenomenon. Elucidation of this risk factor may lead to new strategies for preventing or mitigating antisocial behaviors among youth and adults.

Antisocial Personality Disorder↗

PubMedDate not supplied

An exploration of recurrent injury prevention in patients with trauma.

INTRODUCTION/PURPOSE: Individuals who have sustained an injury are also at an increased risk for recurrent injury. The purposes of this study were to explore perceptions of recurrent injury risk and prevention, factors associated with the initiation of behavioral and environmental injury prevention strategies, and barriers to injury prevention. The Health Belief Model provided the theoretical framework for this study. METHODS: In this descriptive cross-sectional study, subjects completed a semi-structured interview. Questions were designed to explore subjects' perceptions and behaviors regarding strategies to prevent recurrent injury and any injury prevention information they may have received since their injury event. SAMPLE: Thirty adults who had sustained a nonviolent unintentional injury, mean age 43, mean time since injury 4 months. RESULTS: The majority of subjects reported high levels of perceived susceptibility to injury, and a large degree of perceived control in injury prevention. Factors associated with initiation of environmental strategies included injury to a lower extremity, lower physical function scores, use of an assistive device, and higher perceived injury severity. Few barriers to injury prevention were identified. DISCUSSION/CLINICAL IMPLICATIONS: Previously injured individuals made a variety of environmental and behavioral changes to prevent recurrent injury. However, subjects' perceived susceptibility for recurrent injury and lack of injury prevention information support the need for nursing interventions designed to decrease the risk of recurrent injury.

Adolescent↗

PubMedDate not supplied

Revisiting the association between reading achievement and antisocial behavior: new evidence of an environmental explanation from a twin study.

Previous studies have reported, but not explained, the reason for a robust association between reading achievement and antisocial behavior. This association was investigated using the Environmental Risk (E-Risk) Longitudinal Twin Study, a nationally representative 1994-1995 birth cohort of 5- and 7-year-olds. Results showed that the association resulted primarily from environmental factors common to both reading and antisocial behavior and was stronger in boys. Environmental factors also explained the relation between reading disability and conduct disorder. Leading candidate environmental risk factors weakly mediated the association. For boys the best explanation was a reciprocal causation model: poor reading led to antisocial behavior, and vice versa. In contrast, the relation between reading achievement and attention deficit hyperactivity disorder was best explained by common genetic influences.

Adolescent↗

PubMedDate not supplied

Environmental enrichment and the behavioral effects of prenatal exposure to alcohol in rats.

Animals exposed prenatally to alcohol (4 g/kg/day) via maternal peroral intubation or control offspring were reared after weaning either alone in standard steel/wire cages or in groups of eight, for 6 weeks. Rats exposed prenatally to alcohol and reared in isolation had a dysmetric stride length indicative of an ataxic gait. However, following postweaning environmental enrichment, prenatal alcohol-exposed rats showed no evidence of ataxia. In addition, the prenatal alcohol-exposed rats showed the same magnitude of improved Morris maze performance after enrichment as did the control offspring. These preliminary results suggest that postnatal environment can influence the expression of alcohol-related birth defects in rats, that rats exposed prenatally to alcohol can benefit from the effects of enriched postweaning environment and that postnatal factors can attenuate some of the deficits due to prenatal alcohol exposure.

Animals↗

PubMed2005

Exploratory behavior as a function of environmental novelty and complexity in male and female rats.

Laboratory rats show a positive response to low- and nonstressful novel events. The novel event may involve a number of aspects of the stimulus field. It is usually associated with a change in amount of environmental complexity. Most studies concerning novelty-related behavior involve the introduction of novel objects or the rearrangement of familiar objects. The present purpose was to measure exploratory behavior in response to environments of increased and decreased complexity. Both directions of environmental change are conditions of novelty. A two-way manipulation of increasing and decreasing the complexity of the environment was used. Rats of both sexes showed increased exploration to exposure to novelty, no matter which manipulation was applied; however, female and male rats behaved differently to the two types of novelty. Males responded more to novelty from the introduction of an unfamiliar object. The results indicate novel stimulation, whether of increasing or decreasing complexity, has reward properties. Perhaps the male-specific behavior directed toward unfamiliar objects may serve an adaptive function.

Animals↗

PubMed2003

Promoting physical activity among older adults: from ecology to the individual.

The promotion of physical activity in older populations holds the promise of promoting health and reducing the risk of disablement. Individual- and community-based programs are often presented as being distinct and, in some cases, antithetical. The objective of this paper is to illustrate, through the use of an ecologic model, that individual- and community-based programs are complementary. The following topics are discussed: (1). the development of transdisciplinary theories; (2). the establishment of better measures to address the linkages across individual behavior, group behavior, the built environment, and the temporal sequence of biological, behavioral, and environmental factors; (3). the translation of research into practice and policies; and (4). the training of a new generation of scholars and practitioners to develop and execute research, practice, and policy agendas in this area. An ecologic model fosters a comprehensive agenda based on biological, behavioral, and environmental factors. The study of the interaction of the individual with the environment is challenging but potentially more important than the study of the role of the individual or the environment alone in the promotion of physical activity.

Aged↗

PubMed1994

Influences of environmental demand on maternal behavior and infant development.

Research has shown that in conjunction with genetic factors, significant aspects of non-human primate development are influenced by the infant's physical and social environment. In addition to the direct impact of the environment on the infant, the infant's attachment relationship with the mother is seen as the primary mediating factor in shaping these influences. When the mother is able to cope with environmental demands, as a reflection of her responsivity to her infant's needs, she may prepare infants for periodic interruptions in her attention, ameliorate distress during disruptive periods and, most importantly, compensate for these disruptions with enhanced attention to her infant once they are ended. Our recent work shows that when the mother's survival requirements increase, and her coping capacities are exceeded, both short- and long-term deleterious effects on her developing offspring may emerge. Particularly when confronted with an unpredictable environment, mothers are less able to maintain effective, stress-buffering, maternal-coping mechanisms which can preserve a stable attachment relationship and permit normal infant development. When these coping mechanisms are insufficient, infants may show manifest disturbances, such as depression, during development or reveal more latent disturbances, such as reduced sociability and timidity, when psychologically challenged, even as young adults. Evidence now suggests that these long-term effects may, at least in part, be the product of altered neurodevelopment of the serotonergic and noradrenergic systems.

Adaptation, Psychological↗

PubMed1997

A longitudinal twin study of temperament and behavior problems: common genetic or environmental influences?

OBJECTIVES: To assess the longitudinal covariance between emotionality, activity, and sociability (EAS) temperamental traits and anxious/depressed behavior, attention problems, delinquent behavior, and aggressive behavior and to assess the significance of genetic and common environmental influences on the temperament and behavior relations. METHOD: Parental responses to the Child Behavior Checklist and the EAS Temperament Survey were collected from five national cohorts of Norwegian same-sex twins. The final sample consisted of 759 twin pairs aged 7 through 17 at 2-year follow-up. RESULTS: High emotionality predicted anxious/depressed behavior, attention problems, delinquent behavior, and aggressive behavior. The influence on delinquent and aggressive behavior was stronger in boys. Aggressive behavior was further predicted by high activity scores, especially in younger children. Significant genetic influence was found for the covariance between emotionality and attention problems and emotionality and aggressive behavior. CONCLUSION: Emotionality was the strongest temperamental predictor of behavior problems. The mechanisms involved in the associations between temperament and behavior problems appeared to differ with kind of behavior problems.

Adolescent↗

PubMed2004

Factors associated with women's and children's body mass indices by income status.

OBJECTIVE: To describe associations between eating behaviors, dietary intake, physical activity, attitudes toward diet and health, sociodemographic variables and body mass index (BMI) among women and children, and differences by household income. DESIGN: Data from the 1994-1996 Continuing Survey of Food Intakes by Individuals (CSFII) and the Diet and Health Knowledge Survey (DHKS) were examined using multivariate regression to estimate the associations between BMI and behavioral and environmental variables among women and children. SUBJECTS: CSFII 1994-1996 is representative of the US population. DHKS surveyed CSFII respondents 20 y of age and over. Our samples consisted of 2419 adult women and 1651 school-age children. MEASUREMENTS: CSFII respondents reported 24 h recalls of all food intakes on 2 nonconsecutive days and their personal and household characteristics, including self-reported height and weight. DHKS collected data on knowledge and attitudes toward dietary guidance and health from CSFII adult respondents. RESULTS: Significant correlations between women's BMI and age, race, dietary patterns, TV watching, and smoking was observed among women from both low- and high-income households. Beverage consumption, eating out, the importance of maintaining healthy weight, and exercise were correlated with BMI only among women from high-income households. Among children, age, race, income, and mother's BMI were significantly correlated with child BMI. CONCLUSIONS: Among women, the associations between some behavioral and environmental factors and BMI differ by household income. Intervention programs need to target specific eating and physical activity behaviors to promote a healthy body weight.

Adult↗

PubMed1993

Behavioral Intensive Care Unit (BICU): a new concept in the management of acute agitated behavior in elderly demented patients.

Intensive care units were developed in response to the perceived need for increased monitoring in critically ill medical patients. The same principle applies to elderly patients with severe agitated behaviors. These patients can be served by the Geriatric Behavioral Intensive Care Unit (BICU). The uniqueness of the program results from the application of a behavioral and environmental approach to the treatment of agitated behavior. The underlying strategy in the treatment process is to enhance the patient's ability to adapt to his or her home environment. Preliminary results have been encouraging, showing positive outcomes in diverse areas such as low level of institutional placement, patient quality of life, and caregiver symptoms of burden and depression.

Aged↗

PubMed2002

Roles of orexins in regulation of feeding and wakefulness.

Maintenance of energy homeostasis requires the coordination of systems that regulate feeding, body temperature, autonomic and endocrine functions with those that govern an appropriate state of arousal (wakefulness). Historically, the hypothalamus has been recognized to play a critical role in maintaining energy homeostasis by integrating these factors and coordinating metabolic, neuroendocrine and behavioral responses and arousal states. Recent studies have suggested that orexin-containing neurons in the lateral hypothalamic area (LHA) constitute an important central pathway that promotes adaptive behavioral and arousal responses to metabolic and environmental signals. Orexins, also called hypocretins, are neuropeptides originally identified as endogenous ligands for two orphan G-protein-coupled receptors termed orexin receptors -1 and -2. Orexin-A and -B are expressed by a specific population of neurons in the LHA. These neurons project to numerous brain regions, with monoaminergic and cholinergic nuclei of the hypothalamus, midbrain, and pons receiving particularly strong innervations. The orexinergic system is anatomically well-placed to coordinate the metabolic, motivational, motor, autonomic, and arousal processes necessary to elicit environmentally appropriate behaviors. Recent studies on orexin suggest that the orexinergic system plays a significant role in feeding and sleep-wakefulness regulation, possibly by coordinating the complex behavioral and physiological responses of these complementary homeostatic functions. Orexin neurons may provide an integrative link between peripheral metabolism and central regulation of behaviors required for an adaptive response to homeostatic challenges.

Animals↗

PubMed2004

Parent-child dyadic mutuality and child behavior problems: an investigation of gene-environment processes.

BACKGROUND: Parent-child mutuality is comprised of emotional reciprocity, co-responsiveness, and cooperation, which together represent aspects of co-regulation of emotion and behavior that may be important in the etiology of children's behavior problems. Furthermore, individual differences in children's mutuality and behavior problems involve transactions between genetic and environmental influences. Behavioral genetic designs are useful for elucidating these processes. METHODS: The sample included 396 children in adoptive families (53% female, age M = 8.16 years), of whom 244 were siblings (122 pairs). All of the siblings were genetically unrelated. In some families, one child was adopted but the other child was a biological child of the adoptive parents. We observed mother-child dyadic mutuality (a composite score including responsiveness, interaction reciprocity, and cooperation) during videotaped in-home observations. In addition, child behavior problems were assessed and represented as a composite score including observers' ratings of noncompliance, and parents' ratings of aggression and conduct problems. RESULTS: Greater mutuality was associated with lower levels of child behavior problems, both between families and within families (i.e., sibling differences). The sibling intra-class correlation for mutuality with the same parent was near zero in this sample of genetically unrelated siblings. The correlation between child behavior problems and dyadic mutuality did not vary as a function of mother-child genetic similarity. CONCLUSIONS: Mother-child mutuality is child specific within families, a finding that is consistent with theories regarding bi-directional parent and child effects in socialization. In addition, there was no evidence of passive gene-environment correlation, suggesting that the link between lower levels of maternal mutuality and higher levels of child behavior problems is not only reflecting overlapping genetic influences on parent and child behavior.

Child↗

PubMedDate not supplied

A critical review of 5-HT brain microdialysis and behavior.

Serotonin (5-HT) has been implicated in many central nervous system-mediated functions including sleep, arousal, feeding, motor activity and the stress response. In order to help establish the precise role of 5-HT in physiology and behavior, in vivo microdialysis studies have sought to identify the conditions under which the release of 5-HT is altered. Extracellular 5-HT levels have been monitored in more than fifteen regions of the brain during a variety of spontaneous behaviors, and in response to several physiological, environmental, and behavioral manipulations. The vast majority of these studies found increases (30-100%) in 5-HT release in almost all brain regions studied. Since electrophysiological studies have shown that behavioral arousal is the primary determinant of brain serotonergic neuronal activity, we suggest that the increase in 5-HT release seen during a wide variety of experimental conditions is largely due to one factor, namely an increase in behavioral arousal/motor activity associated with the manipulation.

Action Potentials↗

PubMed1983

The use and abuse of environment in behavior-genetic research.

The measurements and conceptualizations of environment by environmentally oriented behavioral scientists and behavior geneticists are contrasted. For the environmentalist, the measurement of environment involves direct observation are manipulation. The environment is conceptualized as multidimensional, dynamic and transactional in nature, as well as being mediated, in its effects, by the individual. In contrast, in behavioral-genetic studies the environment is either estimated but not measured or is only measured indirectly. The conceptualization of environment used by behavior geneticists is static and global. In spite of these differing conceptualizations and measurements, areas of common interest are observed, centering around the question of how genotype and environment transact to influence development. Specifically, commonalities and joint research strategies are proposed for the areas of gene-environment correlation/transactional model and gene-environment interaction/organismic specificity.

Environment↗

PubMedDate not supplied

Universities as resources to state health agencies.

In a survey of the 50 State health agencies in the spring of 1992, officials were asked about their manpower and research needs in the specific areas of administration, behavioral and social science, education and information, environmental health, environmental protection, epidemiology, laboratory, law, occupational health, policy and planning, and statistics. In all, 40 agencies (80 percent) responded. Indepth telephone interviews to determine whether universities and schools and graduate programs in public health filled these needs completed the data collection process. Agency officials indicated that their resources were least adequate in environmental protection, behavioral and social science, and occupational health. They did not feel their research needs were being met. There was a general feeling that universities and schools and programs in public health have different agendas than State agencies and that practical solutions to the shortage of research resources are not forthcoming from these sources. Suggestions are made as to what can be done to improve relationships between those who train public health personnel and those who employ them.

Data Collection↗

PubMed2002

Steroid use among adolescents: findings from Project EAT.

PURPOSE: To explore the prevalence and correlates of using steroids for the purpose of gaining muscle among adolescent males and females. More specifically, the study objectives were to: (a) assess the prevalence of anabolic steroid use in a large population-based sample of adolescent males and females; and (b) identify personal, socio-environmental, and behavioral factors related to the health of adolescents that use anabolic steroids. METHODS: The study population included 4746 middle and high school students from St. Paul/Minneapolis public schools who completed surveys and anthropometric measurements as part of a population-based study of eating patterns and weight concerns among teenagers (Project EAT: Eating Among Teens). Steroid use and a range of socio-environmental, personal, and behavioral factors hypothesized to be correlates of steroid use were assessed. Associations were examined separately among males and females through comparisons of means (unadjusted and adjusted for grade-level and race) for continuous variables, and percentages, and odds ratios for dichotomized variables. RESULTS: Steroid use was more common in males (5.4%, vs. 2.9% of females), non-Caucasians (especially Hmong, a subset of the Asian-American population), and in middle school students (as compared to high school). In males, steroid use was associated with poorer self-esteem and higher rates of depressed mood and attempted suicide, poorer knowledge and attitudes about health, greater participation in sports that emphasize weight and shape, greater parental concern about weight, and higher rates of disordered eating and substance use. Among females, steroid use was less consistent in its associations with other variables, although overall, a similar pattern of results emerged. CONCLUSIONS: Anabolic steroid use in adolescence is associated with poorer health-related attitudes and behaviors and exposure to socio-environmental influences encouraging weight preoccupation. Attention needs to be directed toward youth who may be at increased risk for steroid use within clinical and community-based settings

Adolescent↗