Recent research suggests a link between air pollution and cognitive development in children, and studies on air pollution and academic achievement are emerging. We conducted a nationwide cohort study in Denmark to explore the associations between lifetime exposure to air pollution and academic performance in 9th grade. The study encompassed 785,312 children born in Denmark between 1989 and 2005, all of whom completed 9th-grade exit examinations.
View Article and Find Full Text PDFObjectives: To explore the associations of long-term exposure to air pollution with onset of all human health conditions.
Design: Prospective phenome-wide association study.
Setting: Denmark.
The main objective of the current study was to investigate associations between two aspects of well-being - satisfaction with life and vitality - and incidence of and mortality from ischemic heart disease. . The Copenhagen Aging and Midlife Biobank (CAMB) was conducted from 2009 to 2011 and was used as baseline data with 6750 individuals having complete information on The Satisfaction with Life Scale (SWLS) and 6652 individuals with complete information on the Short Form Health Survey (SF-36) vitality scale.
View Article and Find Full Text PDFEducation has been suggested to be possibly the most consistent, robust, and durable method available for raising intelligence, but little is known about the genetic and environmental interplay underlying this association. Therefore, we investigated how school achievement, as measured by grade point average in lower secondary school at 15 years of age, moderated intelligence variation in young adulthood. The sample consisted of all Danish male twin pairs who had left lower secondary school since 2002 and appeared, typically at age 18, before a draft board through 2015 (N = 2660).
View Article and Find Full Text PDFResearch indicates that meaning in life is a protective factor for physical and mental health. Although loneliness is increasingly recognized as an important public health concern, no studies have investigated the potential of meaning in life to protect against loneliness. Based on an explorative interdisciplinary research strategy that comprises data from a cohort study, a strategic review of empirical literature and a conceptual analysis of the concept of meaning in life we explore the support for potential links between meaning in life and the protection against loneliness.
View Article and Find Full Text PDFPurpose: Low birth weight has been associated with a higher risk of reduced quality of life (QoL) in children, adolescents, and young adults, but the influence seems to diminish over time. However, previous studies have mainly focused on health-related QoL and compared individuals with low birth weight with individuals without low birth weight. The purpose of the present cohort study was to investigate the influence of the entire range of birth weights on three distinct measures of QoL in midlife.
View Article and Find Full Text PDFObjectives Socioeconomic disparities in pregnancy outcomes have been found across times and places, but there is a lack of studies investigating the underlying causes. The present study investigated the influence of child protective services in the pregnant woman's family of origin as a proxy of childhood social disadvantage. Methods The study population comprised all registered pregnancies in Denmark during the period from 2000 to 2009 that resulted in an induced abortion, spontaneous abortion, stillbirth or live birth (N = 786,054).
View Article and Find Full Text PDFPurpose: Only few prospective studies have been conducted on the contribution of quality of life-related factors to the risk of cancer. The aim of this study was to investigate the prospective associations of three quality of life-related factors with the risk of cancer; life satisfaction, vitality, and self-rated health.
Methods: In 2009-2011, 7189 participants in the Copenhagen Aging and Midlife Biobank were asked to rate their life satisfaction, their vitality, and their health.
The strength of the association between parental socioeconomic position (SEP) and risk of attention-deficit/hyperactivity disorder (ADHD) in offspring is found to vary substantially, perhaps due to the negligence of possible changes in parental life course SEP. The present study investigated the association between parental SEP in adulthood and risk of ADHD diagnosis in offspring and whether parental childhood SEP modified this association. The study population included 9648 live-born singletons followed in the Psychiatric Central Register from birth in 1976-1996 until 2013.
View Article and Find Full Text PDFObjectives: The objectives of the current study were to prospectively investigate the predictive value of the vitality scale of the Short Form Health Survey for changes in body mass index and development of obesity.
Methods: The study population comprised 2864 (81.5%) men and 648 (18.
Objectives To investigate the associations of interpregnancy interval (IPI) with miscarriage, stillbirth, preterm delivery and small for gestational age delivery. Methods The study population comprised all women who had a live birth and at least one subsequent pregnancy in Denmark during the period from 1994 to 2010 (N = 328,577). Linear regression was used to estimate risk differences for miscarriage, stillbirth, preterm delivery and small for gestational age delivery according to IPI.
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