Now showing items 1-3 of 3

  • Associations between sibling relationship quality and friendship quality in early adolescence : looking at the case of twins 

    Sibling relationship and friendship quality
    Bekkhus, Mona; Brendgen, Mara; Czajkowski, Nikolai O.; Vitaro, Frank (Cambridge University Press, 2016-04)
    Bidirectional pathways between twin relationship quality and friendship quality were investigated in a large longitudinal twin cohort. We examined negative and positive relationship features in 313 monozygotic (MZ) twins and 238 same-sex dizygotic (DZ) ...
  • The CODAT wins project : the current status and recent findings of collaborative project of development of anthropometrical measures in twins 

    Silventoinen, Karri; Brendgen, Mara; Vitaro, Frank (2019-07-31)
    The COllaborative project of Development of Anthropometrical measures in Twins (CODATwins) project is a large international collaborative effort to analyze individual-level phenotype data from twins in multiple cohorts from different environments. The ...
  • Twin’s birth-order differences in height and body mass index from birth to old age: a pooled study of 26 twin cohorts participated in the CODATwins project 

    Yokoyama, Yoshie; Jelenkovic, Aline; Sund, Reijo; Sung, Joohon; Hopper, John L.; Ooki, Syuichi; Heikkilä, Kauko; Aaltonen, Sari; Tarnoki, Adam D.; Tarnoki, David L.; Willemsen, Gonneke; Bartels, Meike; Van Beijsterveldt, Toos Cem; Saudino, Kimberly J.; Cutler, Tessa L.; Nelson, Tracy L.; Whitfield, Keith E.; Wardle, Jane; Llewellyn, Clare H.; Fisher, Abigail; He, Mingguang; Ding, Xiaohu; Bjerregaard-Andersen, Morten; Beck-Nielsen, Henning; Sodemann, Morten; Song, Yun-Mi; Yang, Sarah; Lee, Kayoung; Jeong, Hoe-Uk; Knafo-Noam, Ariel; Mankuta, David; Abramson, Lior; Burt, S. Alexandra; Klump, Kelly L.; Ordoñana, Juan R.; Sánchez-Romera, Juan F.; Colodro-Conde, Lucia; Harris, Jennifer R.; Brandt, Ingunn; Nilsen, Thomas Sevenius; Craig, Jeffrey M.; Saffery, Richard; Ji, Fuling; Ning, Feng; Pang, Zengchang; Dubois, Lise; Boivin, Michel; Brendgen, Mara; Dionne, Ginette; Vitaro, Frank; Martin, Nicholas G.; Medland, Sarah E.; Montgomery, Grant W.; Magnusson, Patrik KE; Pedersen, Nancy L.; Dahl Aslan, Anna K.; Tynelius, Per; Haworth, Claire MA; Plomin, Robert; Rebato, Esther; Rose, Richard J.; Goldberg, Jack H.; Rasmussen, Finn; Hur, Yoon-Mi; Sørensen, Thorkild IA; Boomsma, Dorret I.; Kaprio, Jaakko; Silventoinen, Karri (Australian Academic Press, 2016-04)
    We analyzed birth order differences in means and variances of height and body mass index (BMI) in monozygotic (MZ) and dizygotic (DZ) twins from infancy to old age. The data were derived from the international CODATwins database. The total number of ...