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Browsing by Subject "Cohort study"

Browsing by Subject "Cohort study"

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  • Yang, Qian; Sjölander, Arvid; Li, Yuchen; Viktorin, Alexander; Bertone-Johnson, Elizabeth R.; Ye, Weimin; Fang, Fang; Valdimarsdóttir, Unnur A.; Lu, Donghao (2021-05-26)
    Background: Premenstrual disorders, including premenstrual syndrome and premenstrual dysphoric disorder, are suggested to be correlated with suicidal behavior and accidents in cross-sectional and retrospective studies. However, prospective data are ...
  • Hu, Yihan; Yang, Huazhen; Hou, Can; Chen, Wenwen; Zhang, Hanyue; Ying, Zhiye; Hu, Yao; Sun, Yajing; Qu, Yuanyuan; Feychting, Maria; Valdimarsdóttir, Unnur Anna; Song, Huan; Fang, Fang (2022-12)
    Background: An increased susceptibility to COVID-19 has been suggested for individuals with neurodegenerative diseases, but data are scarce from longitudinal studies. Methods: In this community-based cohort study, we included 96,275 participants of the ...
  • Sigurdsson, Samuel; Eyþórsson, Elías; Erlendsdóttir, Helga; Hrafnkelsson, Birgir; Kristinsson, Karl G.; Haraldsson, Ásgeir (Elsevier BV, 2020-03-10)
    Introduction: Pneumococcus is an important respiratory pathogen. The 10-valent pneumococcal vaccine (PHiD-CV) was introduced into the Icelandic vaccination programme in 2011. The aim was to estimate the impact of PHiD-CV on paediatric hospitalisations ...
  • Strøm, Marin; Mortensen, Erik Lykke; Kesmodel, Ulrik Schiøler; Halldorsson, Thorhallur; Olsen, Jørn; Olsen, Sjurdur F. (BMJ, 2019-05)
    Objectives: Breast feeding is associated with health benefits for both mother and child, but many studies focusing on neurodevelopment have lacked information on important confounders and few randomised trials exist. Our objective was to examine the ...
  • Warselius, Pauline; Cnattingius, Sven; Li, Jiong; Wei, Dang; Valdimarsdottir, Unnur; Kosidou, Kyriaki; Reutfors, Johan; Olsen, Jørn; Vestergaard, Mogens; Obel, Carsten; Lászlo, Krisztina D. (Informa UK Limited, 2019-04)
    Purpose: Postpartum psychosis is a rare but severe complication following childbirth, with unknown etiology. This study investigated whether the death of a close family member — a source of severe stress — the year before or during pregnancy was ...
  • Deng, Lei; Harðardóttir, Hrönn; Song, Huan; Xiao, Zhengrui; Jiang, Changchuan; Wang, Qian; Valdimarsdottir, Unnur; Cheng, Haiying; Loo, Billy W.; Lu, Donghao (Wiley, 2019-04-16)
    Lung cancer as a second primary malignancy (lung-2) is increasingly common, but its prognosis is poorly understood. This study aims to examine the overall and cancer-specific survival of patients diagnosed with lung-2 compared to lung-1. Primary lung ...
  • Shen, Qing; Sjölander, Arvid; Sloan, Erica K.; Walker, Adam K.; Fall, Katja; Valdimarsdóttir, Unnur Anna; Sparén, Pär; Smedby, Karin E.; Fang, Fang (2022-01-17)
    Background: Cancer patients experience increased risk of death from accident and suicide. Cognitive impairment induced by cancer-related inflammation and stress-related psychiatric symptoms may be underlying mechanisms. We therefore studied the association ...
  • Gunnell, Anthony S.; Joyce, Sarah; Tomlin, Stephania; Taaffe, Dennis R.; Cormie, Prue; Newton, Robert U.; Joseph, David; Spry, Nigel; Einarsdottir, Kristjana; Galvão, Daniel A. (Frontiers Media SA, 2017-02-14)
    Evidence suggests physical activity improves prognosis following cancer diagnosis; however, evidence regarding prognosis in long-term survivors of cancer is scarce. We assessed physical activity in 1,589 cancer survivors at an average 8.8 years following ...
  • Su, Xiujuan; Yu, Yongfu; Meng, Lulu; Duan, Tony; Zhao, Yan; László, Krisztina D.; Valdimarsdóttir, Unnur Anna; Hua, Jing; Li, Jiong (2021-10-01)
    OBJECTIVE: This study aimed to examine the association of a mother's loss of a close relative before or during pregnancy with intellectual disability (ID) in the offspring. METHODS: We performed a nationwide population-based cohort study based on Danish ...
  • Xie, Yuxin; Valdimarsdottir, Unnur; Wang, Chengshi; Zhong, XiaoRong; Gou, Qiheng; Zheng, Hong; Deng, Ling; He, Ping; Hu, Kejia; Fall, Katja; Fang, Fang; Tamimi, Rulla M.; Luo, Ting; Lu, Donghao (Wiley, 2020-07-14)
    Little is known about how health insurance policies, particularly in developing countries, influence breast cancer prognosis. Here, we examined the association between individual health insurance and breast cancer-specific mortality in China. We included ...
  • Bjerregaard, Anne A.; Halldorsson, Thorhallur; Kampmann, Freja B.; Olsen, Sjurdur F.; Tetens, Inge (Springer Nature, 2018-01-12)
    Background: With increased focus on dietary intake among youth and risk of diseases later in life, it is of importance, prior to assessing diet-disease relationships, to examine the validity of the dietary assessment tool. This study’s objective was ...
  • Isomura, Kayoko; Sidorchuk, Anna; Brander, Gustaf; Jernberg, Tomas; Rück, Andreas; Song, Huan; Valdimarsdóttir, Unnur Anna; Lichtenstein, Paul; Larsson, Henrik; Rück, Christian; Mataix-Cols, David; Fernández de la Cruz, Lorena (2021-03)
    Individuals with obsessive-compulsive disorder (OCD) may have an increased risk of cardiovascular disease (CVD), but evidence for specific types of CVD is limited. This population-based, sibling-controlled cohort study investigated the risk of specific ...
  • Song, Huan; Fang, Fang; Valdimarsdottir, Unnur; Lu, Donghao; Andersson, Therese M.-L.; Hultman, Christina; Ye, Weimin; Lundell, Lars; Johansson, Jan; Nilsson, Magnus; Lindblad, Mats (Springer Nature, 2017-01-03)
    Background Except for overall survival, whether or not waiting time for treatment could influences other domains of cancer patients’ overall well-being is to a large extent unknown. Therefore, we performed this study to determine the effect of waiting ...