Family influences on the association between sleep problems and anxiety in a large sample of pre-school aged twins |
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Authors: | Alice M. Gregory, Thalia C. Eley, Thomas G. O Connor, Fruhling V. Rijsdijk,Robert Plomin |
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Affiliation: | aSocial, Genetic and Developmental Psychiatry Centre, Box PO80, Institute of Psychiatry, De’Crespigny Park, London SE5 8AF, United Kingdom;bUniversity of Rochester Medical Center, Rochester, NY 14642, United States |
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Abstract: | Research suggests that environmental influences are important on the association between sleep problems and anxiety in children. This study examines family influences on the association between sleep problems and anxiety in 6000+ twin pairs. Parents provided information on their twins’ anxiety and sleep problems at ages 3 and 4 years. The family influences maternal depression, life events, socio-economic status, family illness, and family disorganization, were examined using parent-report. Family disorganization and maternal depression showed the strongest correlations with sleep problems (r = .20, .21, respectively) and with anxiety (r = .24, .28). Subsequent analyses indicated that family disorganization and maternal depression (examined individually) each accounted for approximately 30% of the association between sleep problems and anxiety (r = .18). The remaining association was mainly explained by environmental factors making children in the same family alike and genetic influences. This study specifies family influences that may be important in the association between sleep problems and anxiety and highlights areas of research that may be worth pursuing in order to further understand the childhood association between sleep problems and anxiety. |
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Keywords: | Twins Sleep Anxiety |
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