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Prevalence of insomnia among breast cancer survivors with moderate or greater perceived cognitive impairment.
*Insomnia is defined as score ≥8 on the Insomnia Severity Index.
†Score ≥2 on a Breast Cancer Prevention Trial cognitive item (ie, forgetfulness, concentration, distractibility) indicates moderate or greater severity of the cognitive symptom. Because of missing data, some variables do not add up to 1072.
