Gender influence on vasoactive hormones at rest and during a 70° head-up tilt in healthy humans

2002 ◽  
Vol 92 (4) ◽  
pp. 1401-1408 ◽  
Author(s):  
Ghislaine Geelen ◽  
Tomi Laitinen ◽  
Juha Hartikainen ◽  
Esko Länsimies ◽  
Kim Bergström ◽  
...  

To evaluate the influence of age and gender on the neuroendocrine control of blood pressure in normal subjects, a 13-min 70° head-up tilt (HUT) was applied after 3 h of recumbency to 109 healthy men and women aged 23–50 yr ( age group I) and 51–77 yr ( age group II). We found that age and gender had a significant influence on plasma norepinephrine (PNE) concentration at baseline and in the upright position. PNE was significantly higher in older men compared with the younger men and women of both age groups, suggesting a divergent age-related activation of the sympathetic nervous system between genders at baseline as well as during a sustained orthostatic challenge. There was no significant influence of age or gender on plasma epinephrine at baseline or during HUT. Plasma renin activity was significantly higher at baseline as well as in the upright position during HUT in elderly men than in women. Age or gender had no influence on plasma vasopressin (PAVP), and, regardless of age, nonhypotensive HUT induced an extremely modest increase in PAVP. The syncopal subjects displayed a hormonal pattern associating increased PNE and a surge in plasma epinephrine and PAVP minutes before syncope during HUT. The orthostatic intolerance appears not to be a feature of healthy aging per se. In healthy subjects, both age and gender modulate markedly the cardiovascular and neuroendocrine responses to an orthostatic challenge and must be taken into consideration, particularly when catecholamine responses are studied.

Author(s):  
Olga Albuquerque ◽  
Gillian Grace Moreira

Using questionnaires and interviews, the video-gaming habits of 136 youngsters, ranging from the ages of 9 to 15 years, were assessed, taking into consideration their age and gender. It was found that many youngsters are playing games which are not appropriate for their age group, and that long hours are spent at computer screens on these games without parental control or supervision. In fact, most parents do not even know what games their children are playing never mind whether they are rated as suitable for their age group. In addition, differences between boys and girls were significant, allowing us to confirm that boys prefer more action-oriented games while girls choose simulation games. Although the small-scale nature of this study does not allow us to generalise its conclusions, its findings are relevant and can point the way for future studies of this type. The centrality of video games in the lives of children and teenagers today is such that these and the practices they engender need to be taken into account when considering the rise of anti-social, aggressive, and at times violent attitudes and behaviours amongst youngsters.


2008 ◽  
pp. 2284-2298
Author(s):  
M. B. Knight ◽  
J. M. Pearson

As the changing demographics of the workplace influence how organizations operate, the need to reexamine relationships between these demographic variables and their effect on the organization continues. This study provides an empirical examination of the effect of two demographic variables, age and gender, and any moderating impact anxiety, enjoyment, and/or peer pressure may have on computer usage. Based on our analysis of 292 knowledge workers, we identified no significant difference between men and women and/or young and old regarding their computer usage in the workplace. Therefore, the findings from this study do not seem to support earlier research regarding age and gender, which indicated that these variables did impact computer usage. However, the moderating construct (anxiety) did appear to be significant in the employees’ computer usage.


2015 ◽  
Vol 12 (1) ◽  
pp. 19-29 ◽  
Author(s):  
Elizabeth C. Price ◽  
Jeffrey J. Gregg ◽  
Merideth D. Smith ◽  
Amy Fiske

Evidence suggests that men who strongly endorse masculine traits display an atypical presentation of depression, including more externalizing symptoms (e.g., anger or substance use), but fewer typical, internalizing symptoms (e.g., depressed mood or crying). This phenomenon has not been adequately explored in older adults or women. The current study used the externalizing subscale of the Masculine Depression Scale in older and younger men and women to detect atypical symptoms. It was predicted that individuals who more strongly endorsed masculine traits would have higher scores on the measure of externalizing symptoms relative to a measure of typical depressive symptoms Center for Epidemiologic Studies–Depression Scale. It was anticipated that results would differ by age-group but not by gender. Multigroup path analysis was used to test the hypothesis. The hypothesized path model, in which endorsement of masculine traits was associated with lower scores on the Center for Epidemiologic Studies–Depression Scale and with scores on the externalizing, but not internalizing, factor of the Masculine Depression Scale, fit the data well. Results differed significantly by age-group and gender. Masculine individuals reported lower levels of typical depressive symptoms relative to externalizing symptoms, but further research is needed within age- and gender groups. Results are consistent with the gendered responding framework and suggest that current assessment tools, which tend to focus on internalizing symptoms of depression, may not detect depression in individuals who endorse masculine traits.


2011 ◽  
Vol 33 (4) ◽  
pp. 367-373 ◽  
Author(s):  
Cynthia C Wolle ◽  
Marcos Sanches ◽  
Monica L Zilberman ◽  
Raul Caetano ◽  
Marcos Zaleski ◽  
...  

OBJECTIVE: To examine sex differences in alcohol consumption according to age groups, and to assess gender and age effects on several aspects of alcohol consumption patterns. METHOD: Based on a Brazilian nationwide representative sample (n = 3,007), we analysed the differences in drinking patterns between genders. We also assessed the effects of gender, age, and gender by age interaction for alcohol consumption dimensions (frequent drinking, usual intake, binge drinking, and frequent binge drinking), using logistic and negative binomial regression models. RESULTS: Gender, age, and gender by age interaction had significant effects on the predictive models for all studied drinking patterns, except for the 'usual' dosage. The effect of gender on drinking patterns varies with age. While gender has a greater effect in older age groups, the difference between men and women decreased in the younger age groups. CONCLUSIONS: Gender convergence regarding alcohol use is a trend that might be influenced by environmental factors and should be addressed in prevention and treatment programs, as well as in public health policies.


1981 ◽  
Vol 13 (3) ◽  
pp. 183-193 ◽  
Author(s):  
Pamela E. Cooper ◽  
L. Eugene Thomas ◽  
Scott J. Stevens ◽  
David Suscovich

The roles chronological age and gender play in subjective time experience were explored in a sample of 294 adult men and women. Subjective time experience (STE: the difference between subjective age and chronological age) was found to vary widely among individuals, with some being “accurate” (SA = CA), and others either “retarded” (SA < CA) or “advanced” (SA > CA). Males were more retarded in STE than females at every point in the lifespan, and patterns of age differences in adulthood differed for the two sexes as well. The results suggest that chronological age may play a key role in transitions in STE, and that chronological age is more significant in the STE of women than in the STE of men.


2014 ◽  
Vol 17 ◽  
Author(s):  
Elena Felipe-Castaño ◽  
Benito León-del-Barco ◽  
José Antonio López-Pina

AbstractTo provide questionnaires for clinical assessment with scales adapted for adolescents would benefit clinical practice as well as research. The aim of this paper is to report normative data for adolescents on the SCL-90-R using a probability sample from the community. The participants were 1,663 adolescents, 845 girls and 818 boys, with an average age of 14.26 (SD = 1.36). They were selected through stratified cluster sampling with groups randomly selected from schools. Sampling error was estimated at 4% with a 95.5% confidence level. Cohen´s d effect sizes are reported for age-group. We found significant differences across participants according to gender and age on SCL-90-R Global Scores and Symptom Dimensions. Thus, we provide normative data, divided according to age and gender.


2003 ◽  
Vol 14 (2) ◽  
pp. 109-113 ◽  
Author(s):  
Sarah Creighton ◽  
Melinda Tenant-Flowers ◽  
Christopher B Taylor ◽  
Rob Miller ◽  
Nicola Low

A cross-sectional study of new clients with either gonorrhoea or chlamydia attending King's College Hospital in 1998. One thousand two hundred and thirty-nine women and 1141 men had gonorrhoea, chlamydia or both. Overall, 24.2% (124/512) of heterosexual men and 38.5% (136/353) of women with gonorrhoea also had chlamydia ( P<0.001). Of heterosexual males 18.8% (124/660) and 13% (136/1022) of females with chlamydia also had gonorrhoea ( P=0.002). Ethnicity had no effect on the proportion of co-infection after controlling for age and gender. Clients with dual infection were younger than those with either infection alone ( P=0.0001). Over half of women and a quarter of men aged 15 to 19 years were dually infected so testing for both gonorrhoea and chlamydia may be appropriate in this age group in settings outside genitourinary clinics. The high proportion of cases of gonorrhoea that also have chlamydia justifies the policy of epidemiological treatment for chlamydia.


2003 ◽  
Vol 27 (1) ◽  
pp. 91-94 ◽  
Author(s):  
Ali Mentes ◽  
Julide Atukeren

The aim of the study was to evaluate toothbrushing management and ability of children in relation to age and gender. The study population consisted of 75 children and were divided into three equal groups as 3-5, 6-8 and 9-11 years of age.The grip type during toothbrushing was recorded on videotape.The most preferred grip types were distal (73%) followed by power (43%) and oblique grips (29%). There were a statistically significant differences between age groups and the grip types (p&lt;0.001) but no significant difference was seen between boys and girls in grip preferences (p&gt;0.05).The mean duration of toothbrushing was shorter in 3-5 years of age group (28 seconds) than the 6-8 and 9-11 age groups (35 and 47 seconds respectively).


2020 ◽  
Vol 11 (SPL3) ◽  
pp. 441-446
Author(s):  
Nur Liyana Hannah Binti Izham Akmal ◽  
Adimulapu Hima Sandeep ◽  
Revathi Duraisamy

Cervical lesions are often characterized by defects seen in the gingival third of a tooth crown which may be in the facial or lingual surface. Pathological loss of tooth structure caused by factors other than dental caries such as cervical abrasion is referred to as non-carious cervical lesions (NCCL). Cervical abrasion is an example of NCCL in which a constant exposure of the tooth to mechanical forces leads to pathological wearing away of the hard tissues. In most of the cases, cervical tooth lesions are revealed to be more common as the age increases. Several studies have reported the difference in the prevalence of cervical abrasion between males and females. Many reports suggest that cervical abrasion is commonly associated with improper tooth brushing habits. To evaluate the prevalence of cervical abrasion between genders and its influence on age. It is a retrospective study conducted using the case records of Saveetha Dental College and Hospital, Chennai, India from June 2019 to March 2020. Data including the patient’s name, patient’s identification number (PID), age, gender and presence of cervical abrasion were retrieved from the patients’ case records. A total of 742 consecutive case records were retrieved and analysed. Cervical abrasion was observed in 371 individuals of this study. High prevalence of cervical abrasions was seen in males (70.9%) compared to females (29.1%). Most of the cases were observed in individuals within the 41-50 years age group (28.8%), and the least was seen within the 11-20 years age group (0.3%). Within the limits of the study, most of the cervical abrasion cases are recorded in individuals within the 41-50 years age group with higher predilection in males. There is a statistically significant association of cervical abrasion with age and gender.


2013 ◽  
Vol 12 (1) ◽  
pp. 149-165 ◽  
Author(s):  
Simone Velloso Missagia ◽  
Solange Riveli Oliveira ◽  
Daniel Carvalho Rezende

Among the decisions that consumers have to make there are food choices, including the decision to eat healthily. In this way, both motives for food choice and the behavior reported by consumers can describe how people relate to healthy food, particularly males and females, and what distinguishes them. Researching of a sample of 309 people, respondents were randomly selected in order to achieve balanced age and gender. Such individuals were recruited through an offline method that consisted of contact in supermarkets. Total sample size is constituted by 174 female and 135 male respondents. The results of the logistic regression analysis pointed that the main difference between genders is the way they interpret healthiness as a motive for food choice. While men find important that the products they eat keep them healthy, women consider more important the fact that they are nutritious. In addition, other motives and behaviors that distinguish men and women in respect of food choices and healthy eating were observed.DOI:10.5585/remark.v12i1.2441


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