measurement
Of the 15,216 participants remaining after exclusions in the CHARLS study, 12,807 (84.2%) were followed up with complete data in 2013 (Wave 2), and 10,325 (80.6%) were followed up with related data in 2015 (Wave 3).
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Sources
- Improvement in sleep duration was associated with higher cognitive ... www.aging-us.com via serper
Referenced by nodes (1)
- wave concept