Expertini Research Research

Browse Research Papers

22+ open-access research outputs.

โœ• Clear
๐Ÿ” adolescent ๐Ÿ“‚ Mathematics
Showing 22 results for "adolescent" in Mathematics
Mathematics Preprint PDF DOI

When optimal is not the best: cost effectiveness analysis for HPV epidemic models

Fernando Saldana, Jose Ariel Camacho-Gutierrez, Ignacio Barradas, Andrei Korobeinikov ยท 2020

This paper aims to evaluate the potential cost-effectiveness of healthcare interventions against human papillomavirus (HPV). For this, we consider a two-sex epidemic model for the transmission dynamicโ€ฆ

Read Paper โ†’
Mathematics Peer-Reviewed PDF DOI

Does family experience influence political beliefs? Relation between interparental conflict perceptions and political efficacy in late adolescence.

 ยท 1970

The study examined the relation between adolescents' interparental conflict perceptions and their political efficacy regarding local issues. Longitudinal data (age 15 and 17) from 444 adolescents wereโ€ฆ

Read Paper โ†’
Mathematics Peer-Reviewed PDF DOI

Deaths averted by influenza vaccination in the U.S. during the seasons 2005/06 through 2013/14.

 ยท 1970

BACKGROUND: Excess mortality due to seasonal influenza is substantial, yet quantitative estimates of the benefit of annual vaccination programs on influenza-associated mortality are lacking.METHODS: Wโ€ฆ

Read Paper โ†’
Mathematics Peer-Reviewed PDF DOI

Support for an expanded tripartite influence model with gay men.

 ยท 1970

This study investigated whether an expanded tripartite influence model would represent gay men's experiences. This model was extended by adding partners and gay community involvement as sources of socโ€ฆ

Read Paper โ†’
Mathematics Peer-Reviewed PDF DOI

Is being breastfed as an infant associated with adult pulmonary function?

 ยท 1970

OBJECTIVE: Breastfeeding reduces the risk of asthma and respiratory infections in infants. Since respiratory infections are associated with reduced pulmonary function in adolescents, pulmonary functioโ€ฆ

Read Paper โ†’
Mathematics Peer-Reviewed PDF DOI

Self-efficacy partially mediates the effect of a school-based physical-activity intervention among adolescent girls.

 ยท 1970

BACKGROUND: This study evaluated the effects of the Lifestyle Education for Activity Program (LEAP), a comprehensive school-based intervention emphasizing changes in instruction and school environmentโ€ฆ

Read Paper โ†’
Mathematics Peer-Reviewed PDF DOI

Reports of adolescent emotion regulation and school engagement mediating the relation between parenting and adolescent functioning in India.

 ยท 1970

Much like other parts of Asia, late adolescence in India is a particularly stressful time with academic pressures of a highly competitive examination system that determines future occupational successโ€ฆ

Read Paper โ†’
Mathematics Peer-Reviewed PDF DOI

Injuries and use of protective equipment among college in-line skaters.

 ยท 1970

In-line skating injuries and protective gear use were explored in a sample of college students (n = 217). A minority of respondents wore protective gear. One third of skaters had experienced at least โ€ฆ

Read Paper โ†’
Mathematics Peer-Reviewed PDF DOI

Adolescent substance use, sleep, and academic achievement: evidence of harm due to caffeine.

 ยท 1970

Using academic achievement as the key outcome variable, 7377 Icelandic adolescents were surveyed for cigarette smoking, alcohol use, daytime sleepiness, caffeine use, and potential confounders. Structโ€ฆ

Read Paper โ†’
Mathematics Peer-Reviewed PDF DOI

Physical activity and lung function-Cause or consequence?

 ยท 1970

Concerns exist that the positive association of physical activity with better lung function, which has been suggested in previous longitudinal studies in smokers, is due to reverse causation. To invesโ€ฆ

Read Paper โ†’
Mathematics Peer-Reviewed PDF DOI

Multilocus analyses of Renin-Angiotensin-aldosterone system gene variants on blood pressure at rest and during behavioral stress in young normotensive subjects.

 ยท 1970

The renin-angiotensin-aldosterone system (RAAS) is a proteolytic cascade that regulates and maintains blood pressure (BP). This study aimed to explore the interactive and integrative effects of multipโ€ฆ

Read Paper โ†’
Mathematics Peer-Reviewed PDF DOI

Early smoking in school-aged children with and without a diagnosis of asthma.

 ยท 1970

BACKGROUND: Research has shown that adolescents with asthma are as likely as and sometimes even more likely to smoke than their peers without asthma. The current study examined whether the prevalence โ€ฆ

Read Paper โ†’
Mathematics Peer-Reviewed PDF DOI

An interpretation of the neonatal period definition obtained with echocardiographic examination by using change point regression analysis.

 ยท 1970

BACKGROUND: We had reported on the left ventricular end-diastolic dimension (LVDd) in normal children from the premature/neonatal period to the adolescence period by using two-dimensional echocardiogrโ€ฆ

Read Paper โ†’
Mathematics Peer-Reviewed PDF DOI

Age estimation from the permanent molar in northeast China by the method of average stage of attrition.

 ยท 1970

A new method of age estimation using permanent molars, the method of average stage of attrition (ASA), is described. A total of 633 molars, including the first molar (M1) and the second molar (M2) on โ€ฆ

Read Paper โ†’
Mathematics Peer-Reviewed PDF DOI

A Community Study on the Relationship of Posttraumatic Cognitions to Internalizing and Externalizing Psychopathology in Taiwanese Children and Adolescents.

 ยท 1970

A growing number of studies indicate that posttraumatic cognitions play a crucial role in the development and maintenance of posttraumatic stress disorder (PTSD). However, the effects of posttraumaticโ€ฆ

Read Paper โ†’
Mathematics Peer-Reviewed PDF DOI

Isokinetic investigation of knee extensors and knee flexors in young French soccer players.

 ยท 1970

The knee extensor and knee flexor muscle groups in three groups of young soccer players were tested with a Cybex II isokinetic dynamometer and compared with adults. Muscle strength increased with age.โ€ฆ

Read Paper โ†’
Mathematics Peer-Reviewed PDF DOI

Understanding Needs Satisfaction and Frustration in Young Athletes: Factor Structure and Invariance Analysis.

 ยท 1970

Sports research has been focused on the assessment of basic needs satisfaction, considering its absence as a representation of needs frustration. However, recent findings have suggested needs satisfacโ€ฆ

Read Paper โ†’
Mathematics Peer-Reviewed PDF DOI

The Dark Side of Internet Use: Two Longitudinal Studies of Excessive Internet Use, Depressive Symptoms, School Burnout and Engagement Among Finnish Early and Late Adolescents.

 ยท 1970

Recent research shows an increased concern with well-being at school and potential problems associated with students' use of socio-digital technologies, i.e., the mobile devices, computers, social medโ€ฆ

Read Paper โ†’
Mathematics Peer-Reviewed PDF DOI

A Dyadic Analysis on Source Discrepancy and a Mediation Analysis via Self-Efficacy in the Parental Support and Physical Activity Relationship among Black Girls.

 ยท 1970

BACKGROUND: Physical activity (PA) declines in adolescence among black girls. This study assesses how moderate/vigorous physical activity (MVPA) relates to caregiver- vs. adolescent-reported parental โ€ฆ

Read Paper โ†’
Mathematics Peer-Reviewed PDF DOI

Nonnegligible increasing temporal trends in unprotected anal intercourse among men who have sexual relations with other men in Montreal.

 ยท 1970

OBJECTIVE: The objective of this study is to determine temporal trends in unprotected anal intercourse (UAI) among men who have sex with other men (MSM) participating in the Omega Cohort Study, 1997-2โ€ฆ

Read Paper โ†’
Page 1 of 2 Next โ†’