Table 2. Odds ratios (95% CIs) for the associations of sleep duration (n = 2007) and insomnia symptoms (n = 2068) with a moderate to high aMed Table 4. Odds ratios (95% CIs) for the associations of sleep duration (n = 1927) and insomnia symptoms (n = 1988) at Exam 5 with changes in liet score at Exam 5 Med score between Exam 1 and Exam 5 Sleep duration nsomnia symptomss Sleep duration Insomnia symptoms+ (reference: 8 hrightn = 226 Insomnian = 739 Changes in the aMed Score 6 to 8 hright. An unchanged aMed score was not asso- ured short sleep duration. Participants with unchanged aMed Reference = No insomnia symptoms or short sleep duration (n = 862). ciated with sleep duration. score from Exam 1 to Exam 5 were less likely to have insomnia MODEL 1: adjusted for age, gender, and race/ethnicity. symptoms with short sleep (OR = 0.57, 95% CI 0.35-0.93, p 8 hright, nia symptoms with short sleep duration. This is the first epi- Associations between historical changes in aMed Discussion 6-7 hright of sleep duration vs.