Jiajun Zhang1,2, Mingzhu Su1,2, Joyce Cheng3, Shengyu Zhou1,2, Li Liu4, Nengliang Aaron Yao5,6,7. 1. Centre for Health Management and Policy Research, School of Public Health, Cheeloo College of Medicine, Shandong University, 44 Wenhuaxi Rd, Jinan, 250012, Shandong, China. 2. Center for Cancer Control and Policy Research, Shandong University, Jinan, China. 3. School of Medicine, Johns Hopkins University, Baltimore, MD, USA. 4. School of Nursing and Rehabilitation, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China. 5. Centre for Health Management and Policy Research, School of Public Health, Cheeloo College of Medicine, Shandong University, 44 Wenhuaxi Rd, Jinan, 250012, Shandong, China. ayao@HCCinstitute.org. 6. Center for Cancer Control and Policy Research, Shandong University, Jinan, China. ayao@HCCinstitute.org. 7. Home Centered Care Institute, Schaumburg, IL, USA. ayao@HCCinstitute.org.
Abstract
OBJECTIVE: To examine the prevalence of different levels of aerobic activity and strength training in older cancer survivors and their associations with psychological distress and sleep difficulties. METHODS: We used cross-sectional data from the 2016-2018 National Health Interview Survey on 3,425 survivors aged ≥ 65 years. Individuals were classified into active, insufficiently active, and inactive categories, and by whether they reported strength training at least twice per week. The outcome variables were self-reported psychological distress, trouble falling asleep, trouble staying asleep, and trouble waking up feeling rested. Multivariate logistic models were used to calculate the odds ratios (ORs) and the 95% confidence intervals (CIs). RESULTS: Only 35.2% of older survivors reached the recommended aerobic activity guidelines, and 12% had strength training at least twice per week. A total of 626 (18.3%) reported at least moderate psychological distress, and 1,137 (33.2%) had trouble staying asleep. For survivors who reported strength training less than two times per week, being insufficiently active or inactive was associated with worse psychological distress (OR 1.52, 95% CI 1.17-1.97; OR 1.30, 95% CI 1.02-1.64) and more sleep difficulties (OR ranging from 1.33 to 2.07). Among active survivors, strength training two or more times per week was associated with more trouble staying asleep (OR 1.67, 95% CI 1.06-2.58). CONCLUSIONS: Most older cancer survivors did not meet the recommended physical activity guidelines and suffered from psychological distress and sleep difficulties. Additional research may be needed to examine the effects of frequent muscle strength training on sleep quality.
OBJECTIVE: To examine the prevalence of different levels of aerobic activity and strength training in older cancer survivors and their associations with psychological distress and sleep difficulties. METHODS: We used cross-sectional data from the 2016-2018 National Health Interview Survey on 3,425 survivors aged ≥ 65 years. Individuals were classified into active, insufficiently active, and inactive categories, and by whether they reported strength training at least twice per week. The outcome variables were self-reported psychological distress, trouble falling asleep, trouble staying asleep, and trouble waking up feeling rested. Multivariate logistic models were used to calculate the odds ratios (ORs) and the 95% confidence intervals (CIs). RESULTS: Only 35.2% of older survivors reached the recommended aerobic activity guidelines, and 12% had strength training at least twice per week. A total of 626 (18.3%) reported at least moderate psychological distress, and 1,137 (33.2%) had trouble staying asleep. For survivors who reported strength training less than two times per week, being insufficiently active or inactive was associated with worse psychological distress (OR 1.52, 95% CI 1.17-1.97; OR 1.30, 95% CI 1.02-1.64) and more sleep difficulties (OR ranging from 1.33 to 2.07). Among active survivors, strength training two or more times per week was associated with more trouble staying asleep (OR 1.67, 95% CI 1.06-2.58). CONCLUSIONS: Most older cancer survivors did not meet the recommended physical activity guidelines and suffered from psychological distress and sleep difficulties. Additional research may be needed to examine the effects of frequent muscle strength training on sleep quality.
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