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PubMed2000

Studying intergenerational transmission of eating attitudes and behaviors: methodological and conceptual questions.

Associations between parent and child attitudes and behaviors related to eating and weight were examined among college-age men and women and their mothers and fathers (ns = 44, 47, 87, and 66, respectively). Parent attitudes and behaviors were assessed from the perspective of the parent and the student, and 2 pathways of influence were examined: modeling and direct criticism. In general, students' attitudes and behaviors were more strongly related to perceptions of their parents rather than to parents' own self-reports. There was more support for perceived direct criticism as a pathway of influence, particularly for daughters. Perceived criticism about eating and appearance had large associations with student attitudes and behaviors. Weight loss behavior was related to perceived criticism among daughters and to perceived paternal eating attitudes among sons. Results highlight important methodological and conceptual questions for intergenerational research.

Adolescent↗
PubMed2002

Gender, perceived parental monitoring, and behavioral adjustment: influences on adolescent alcohol use.

This study examined relationships among gender, perceived parental monitoring, externalizing behaviors, and adolescent alcohol use in a 2-wave longitudinal study. Females reported more perceived parental monitoring and less alcohol use than males. Perceived maternal and paternal monitoring were related to less alcohol use over time. Increases in alcohol use were associated with increases in externalizing behaviors over time. Perceived maternal monitoring mediated the relationship between gender and youth drinking and was also a significant predictor of changes in adolescent drinking over time. Perceived paternal monitoring was not a predictor of adolescent drinking in the context of perceived maternal monitoring and externalizing behaviors. The importance of gender in implementation of prevention programs is discussed.

Adaptation, Psychological↗
PubMed2004

Gender differences in familial aggregation of obesity-related phenotypes and dietary intake patterns in Korean families.

PURPOSE: To investigate familial influences on obesity-related phenotypes and dietary intake patterns, and to examine gender differences in Korean families with adolescent children. METHODS: A cross-sectional observational study was conducted on 134 biologically related families composed of 260 parents and 231 adolescent children aged 11 to 19 years. Anthropometric measurements, including total fatness and fat distribution, were measured. Dietary intake was assessed by the semi-quantitative food frequency questionnaire (FFQ). RESULTS: The odds ratio and 95% confidence intervals for overweight were 6.6 (range, 1.5-29.7) in the sons and 13.7 (range, 2.5-76.4) in the daughters of overweight parents. Obesity and fat distribution in the adolescents were more significantly correlated with mothers than fathers. Daughters had more significant familial aggregations with their parents than did sons. The dietary intake patterns of both sons and daughters correlated more strongly with their mothers than their fathers. We observed significant correlations in anthropometric variables and dietary intake patterns between spouses and between siblings. CONCLUSIONS: In the contemporary Korean nuclear family, maternal anthropometry and dietary behavior have a greater impact on children than do paternal contributions, and daughters resemble their parents more than sons. Genetics and environmental factors within the family infrastructure may provide strategies for the prevention and treatment of adolescent obesity.

Adolescent↗
PubMed2006

From physician-centered to community-oriented perspectives on health care: assessing the efficacy of community-based training.

PURPOSE: To understand the influence of a community-based child advocacy block rotation on the perspectives of first-year pediatric residents and whether this influence persists. METHOD: The authors conducted semistructured interviews to assess the impact of the training program on pediatrics residents' perspectives regarding child advocacy and their understanding of the role of the community members and community-based assets in child advocacy. Three cohorts of first-year residents at the University of California, Davis, participated in the two-week community collaborative rotation from 2000 03. Two cohorts of 23 first-year residents were interviewed. In 2003, the first cohort of nine third-year residents was re-interviewed to assess long-term impact. Interviews were conducted before and after residents' experiences with community collaboratives. Transcripts of interviews were reviewed using an iterative process, and a coding system was applied using a qualitative software program. RESULTS: Comparison of pre- and postrotation interview data showed that residents' conceptions of advocacy shifted from ideas about being a pediatrician for the community to being a pediatrician in the community. This change in definition reflected a view of the pediatrician as facilitator, a community asset, rather than as a central administrator of child health affairs. This shift persisted through the completion of residency. CONCLUSIONS: These findings suggest that substantive interaction in a community collaborative can provide a starting point for residents to reconceptualize their role as pediatrician, for understanding the diverse contexts characteristic of children's circumstances, and for identifying and using community-based assets for improving child health. Definition changes persisted through residency and may influence residents' future behavior in clinical practice.

Adult↗
PubMed2001

Mate guarding in the Seychelles warbler is energetically costly and adjusted to paternity risk.

Males may increase their fitness through extra-pair copulations (copulations outside the pair bond) that result in extra-pair fertilizations, but also risk lost paternity when they leave their own mate unguarded. The fitness costs of cuckoldry for Seychelles warblers (Acrocephalus sechellensis) are considerable because warblers have a single-egg clutch and, given the short breeding season, no time for a successful replacement clutch. Neighbouring males are the primary threat to a male's genetic paternity. Males minimize their loss of paternity by guarding their mates to prevent them from having extra-pair copulations during their fertile period. Here, I provide experimental evidence that mate-guarding behaviour is energetically costly and that the expression of this trade-off is adjusted to paternity risk (local male density). Free-living males that were induced to reduce mate guarding spent significantly more time foraging and gained significantly better body condition than control males. The larger the reduction in mate guarding, the more pronounced was the increase in foraging and body condition (accounting for food availability). An experimental increase in paternity risk resulted in an increase in mate-guarding intensity and a decrease in foraging and body condition, and vice versa. This is examined using both cross-sectional and longitudinal data. This study on the Seychelles warbler offers experimental evidence that mate guarding is energetically costly and adjusted to paternity risk.

Animals↗
PubMed2006

Multiple paternity in a salamander with socially monogamous behaviour.

In the majority of birds and mammals, social monogamy is not congruent with genetic monogamy. No research to date has compared social and genetic monogamy in amphibians. We analysed paternity in clutches of red-backed salamanders (Plethodon cinereus), a species in which social monogamy has been demonstrated in the laboratory, and 28% of individuals in the forest are found in male-female pairs in the noncourtship season. We collected 16 clutches of eggs of P. cinereus in the southern Appalachian Mountains of Virginia and collected tail clippings from attending mothers. We genotyped embryos and adults at five microsatellite loci in order to analyse paternity of clutches. Most clutches (84.6%) had multiple sires, with two to three sires per clutch. In this study, 25% of clutches had males in addition to females attending eggs. None of the mothers of these clutches were genetically monogamous. All attending males sired some of the offspring in the clutch that they attended (between 9% and 50%) but never sired a majority in that clutch. We conclude that, at least in this population, social monogamy in P. cinereus is not concomitant with genetic monogamy.

Animals↗
PubMedDate not supplied

Behavioral teratology investigation of 1-butanol in rats.

Two concentrations of 1-butanol (3000 and 6000 ppm) were administered by inhalation to separate groups of 15 pregnant Sprague-Dawley rats for 7 hr per day throughout gestation; 18 male rats were similarly exposed for 7 hr per day for 6 weeks, and mated to unexposed females. Litters were culled to 4 female and 4 male pups and fostered to untreated controls. From days 10-90, offspring were tested as follows: a) ascent on a wire mesh screen, b) rotorod, c) open field and photoelectrically-monitored activity, d) running wheel, e) avoidance conditioning, and f) operant conditioning. Additionally, brains from 10 offspring at 21 days of age were dissected into cerebrum, cerebellum, brainstem, and midbrain. Each sample was assayed for protein and the neurotransmitters acetylcholine, dopamine, norepinephrine, serotonin, met-enkephalin, beta-endorphin, and substance P. Overall, there were few behavioral or neurochemical alterations detected in the offspring following maternal or paternal exposure to either 3000 or 6000 ppm 1-butanol. This scarcity of effects is important to risk assessment extrapolations drawn from ethanol. Based on the structural similarity of 1-butanol to ethanol and long-standing observations that toxicity to adult animals generally increases with chain length among the alcohols, significant behavioral and neurochemical deviations were predicted. The scarcity of effects from butanol needs to be accounted for in hypotheses relating toxicity to alcohol chain length and in risk assessment extrapolations from findings with ethanol.

Animals↗
PubMed1984

Differences in sexual attitudes and likeliness of sexual behaviors of black lower-socioeconomic father-present vs. father-absent female adolescents.

This study compared sexual permissiveness attitudes and likely behaviors of father-absent vs. father-present black, lower-socioeconomic female adolescents. Father-absent subjects were not found to be more sexually permissive in reported likely behavior or attitude than father-present subjects. However, the father-absent group was found to have significantly greater inconsistency between behavioral and attitudinal scores in which the reported behavior was more permissive than the reported attitude. Finally, within the father-absent group, those subjects whose fathers became absent before they were five years old, were found to have a significantly higher need for social approval than subjects whose fathers became absent after they were five years old. The implications of these results are discussed.

Adolescent↗
PubMed2002

Paternal alcohol exposure affects sperm cytosine methyltransferase messenger RNA levels.

BACKGROUND: Although paternal alcohol exposure has been shown to affect the growth and behavior of offspring, the mechanisms underlying these effects still remain to be elucidated. This study examines one possible mechanism, namely, altered genomic imprinting as reflected by changes in sperm cytosine methyltransferase messenger RNA (mRNA) levels. METHODS: Male rats were treated with alcohol for 9 weeks before breeding. Resulting fetuses were counted and weighed, and paternal sperm was examined for changes in cytosine methyltransferase mRNA levels. RESULTS: Alcohol did not affect mating, fecundity, or litter size, but it did result in significantly decreased mean fetal weight, increased fetal runt incidence in offspring, and decreased cytosine methyltransferase mRNA levels in paternal sperm, compared with pair-fed and ad libitum controls. CONCLUSIONS: Alcohol-induced reductions in cytosine methyltransferase mRNA levels may reflect altered genomic imprinting caused by reduced DNA methylation, which, in turn, may lead to the expression of normally silent paternal alleles and may be a mechanism for paternal alcohol effects.

Alcohol Drinking↗
PubMed1984

[Influence of the family situation on the form of expression of neuroses].

In this research were investigated the conditions of the family environment and the contact with the parents in 3 different groups of children and adolescents who presented respectively conversion neurosis, other types of neurosis and behavior disorders of the aggressive type. The analysis of the results obtained indicated a positive correlation between the tendency to manifest emotional conflicts under the form of conversion symptoms and the course of childhood in a family inadequate environment, with the absence of one or both parents. This fact was not found in the two other groups.

Adolescent↗
PubMed2000

Hormonal correlates of paternal responsiveness in new and expectant fathers.

Little is known about the physiological and behavioral changes that expectant fathers undergo prior to the birth of their babies. We measured hormone concentrations and responses to infant stimuli in expectant and new fathers living with their partners to determine whether men can experience changes that parallel the dramatic shifts seen in pregnant women. We obtained two blood samples from couples at one of four times before or after the birth of their babies. After the first sample, the couples were exposed to auditory, visual, and olfactory cues from newborn infants (test of situational reactivity). Men and women had similar stage-specific differences in hormone levels, including higher concentrations of prolactin and cortisol in the period just before the births and lower postnatal concentrations of sex steroids (testosterone or estradiol). Men with more pregnancy (couvade) symptoms and men who were most affected by the infant reactivity test had higher prolactin levels and greater post-test reduction in testosterone. Hormone concentrations were correlated between partners. This pattern of hormonal change in men and other paternal mammals, and its absence in nonpaternal species, suggests that hormones may play a role in priming males to provide care for young.

Journal Article↗
PubMed1997

Wolbachia-induced delay of paternal chromatin condensation does not prevent maternal chromosomes from entering anaphase in incompatible crosses of Drosophila simulans.

The behavior of parental chromosomes during the first mitosis of Drosophila simulans zygotes obtained from unidirectional incompatible crosses is described and it is demonstrated that the condensation of parental chromatin complements was asynchronous. The timing of paternal chromatin condensation appeared to be delayed in these embryos, so that condensed maternal chromosomes and entangled prophase-like paternal fibers congressed in the equatorial plane of the first metaphase spindle. At anaphase the maternal chromosomes migrated to opposite poles of the spindle, whereas the paternal chromatin lagged in the midzone of the spindle. This resulted in dramatic errors in paternal chromatin inheritance leading to the formation of embryos with aneuploid or haploid nuclei. These observations suggest that the anaphase onset of maternal chromosomes is unaffected by the improper alignment of the paternal complement. Since the first metaphase spindle of the Drosophila zygote consists of twin bundles of microtubules each holding one parental complement, we suspect that each half spindle regulates the timing of anaphase onset of its own chromosome set. In normal developing embryos, the fidelity of chromosome transmission is presumably ensured by the relative timing required to prepare parental complements for the orderly segregation that occurs during the metaphase-anaphase transition.

Anaphase↗
PubMed2006

Maternal mental health, substance use, and domestic violence in the year after delivery and subsequent behavior problems in children at age 3 years.

CONTEXT: Mental health disorders, substance use, and domestic violence often occur together. However, studies examining the impact of these conditions in mothers on the well-being of their children have focused only on isolated conditions. OBJECTIVE: To examine the cumulative effect of maternal mental health disorders, substance use, and domestic violence on the risk of behavior problems in young children. DESIGN: A birth cohort (1998-2000) followed up to age 3 years. SETTING: Eighteen large US cities. PARTICIPANTS: At 3 years, 2756 (65%) were followed up from the population-based birth cohort of 4242. Thirty-six percent had annual incomes below the poverty threshold. MAIN OUTCOME MEASURES: One year after delivery, mothers were asked questions about conditions in 3 categories: (1) mental health (major depressive episode and generalized anxiety disorder), (2) substance use (smoking, binge drinking, and illicit drug use), and (3) domestic violence (emotional and physical). At 3 years, mothers completed questions from the Child Behavior Checklist. RESULTS: Fifty percent of mothers had a condition in at least 1 of the 3 categories. The prevalence of child behavior problems increased with the number of categories (0, 1, 2, or 3) in which the mother reported a condition: respectively, 7%, 12%, 17%, and 19% for aggression (P<.001); 9%, 14%, 16%, and 27% for anxious/depressed (P<.001); and 7%, 12%, 15%, and 19% for inattention/hyperactivity (P<.001). This graded risk persisted after adjustment for sociodemographic and prenatal factors and for paternal mental health and substance use. CONCLUSIONS: The risk of child behavior problems increased with the number of areas--mental health, substance use, or domestic violence--in which the mother reported difficulties. Preventing behavior problems in young children requires family-oriented strategies that address the needs of both parents and their children.

Adult↗
PubMed1995

Rational non-interventional paternalism: why doctors ought to make judgments of what is best for their patients.

This paper argues that doctors ought to make all things considered value judgments about what is best for their patients. It illustrates some of the shortcomings of the model of doctor as 'fact-provider'. The 'fact-provider' model fails to take account of the fact that practising medicine necessarily involves making value judgments; that medical practice is a moral practice and requires that doctors reflect on what ought to be done, and that patients can make choices which fail to express their autonomy and which are based on mistaken judgments of value. If doctors are properly to respect patient autonomy and to function as moral agents, they must make evaluations of what their patients ought to do, all things considered. This paper argues for 'rational, non-interventional paternalism'. This is a practice in which doctors form conceptions of what is best for their patients and argue rationally with them. It differs from old-style paternalism in that it is not committed to doing what is best.

Choice Behavior↗
PubMed1995

Paternalism and the argument from illiteracy.

Throughout this essay, I will consider an argument frequently used to justify paternalistic behavior toward a specific class of persons: illiterate people. The argument states that illiterate people are uneducated, lack information and understanding, and are thus unable to make decisions. Therefore, it is argued, paternalism in their case is justified. The conclusion is that illiterate persons cannot be autonomous. The justification for this view is based on an a priori attitude: since it is impossible to communicate, physicians should decide which kind of treatment the illiterate patient should receive. This argument is frequently used even though its proponents may not be aware of its implications. Given the importance and uncritical acceptance this argument has in Argentina, and also in other Latin American countries, I think it is relevant to analyze carefully what it means. I propose a thorough analysis of this argument, of its implications and an evaluation of whether it is acceptable.

Argentina↗
PubMed2002

An evaluation of relations among antisocial behavior, psychopathic traits, and alcohol problems in incarcerated men.

BACKGROUND: The association between antisocial behavior and alcohol problems is well established, but the role that psychopathic traits and other factors such as drinking patterns and motives and family history play in this relationship has not been subjected to much empirical scrutiny. METHODS: A large sample (n=329) of male Federal Correctional Institution inmates participated in structured interviews designed to permit diagnosis of antisocial personality disorder and to assess facets of psychopathic personality as defined by the Hare Psychopathy Checklist-Revised. Prisoners also completed self-report questionnaires that addressed alcohol use, drinking problems, motives for drinking, and paternal alcoholism history. RESULTS: Analyses revealed that the relation between antisocial behavior and alcohol problems was moderated by scores on the emotional detachment component of psychopathy, and that self-descriptions of drinking for the purpose of coping with negative emotions mediated the positive relation between antisociality and self-reported alcohol problems. CONCLUSIONS: These findings highlight complexities in the link between antisociality and drinking problems and encourage consideration of distinct facets of psychopathy to enhance understanding of it. They further suggest possible mechanisms (e.g., paternal alcoholism history, coping motives) that may contribute to the development and maintenance of alcohol problems in criminal populations.

Adult↗