Sedentary Behavior in Older Adults With Preclinical Cognitive Impairment With and Without Chronic Kidney Disease.
Mary Hannan, Eileen G Collins, Shane A Phillips and 3 others
PMID 34044686WHAT IT FOUND
Older adults with CKD and subjective cognitive decline were not significantly more sedentary than matched older adults without CKD.
The without-CKD and CKD groups averaged 654.17 and 707.64 minutes of sedentary time per day.
Key findings
01The CKD group averaged 707.64 minutes of sedentary time per day, compared with 654.17 minutes in the without-CKD group, and the difference was not significant (p=0.09).
02Sedentary breaks per day, sedentary bouts per day, and maximum sedentary bout length did not differ significantly between groups.
03Fragmentation index was 0.028 in the without-CKD group and 0.026 in the CKD group, a significant difference (p=0.04).
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
The sample was a convenience sample, so the groups may not represent all older adults with these conditions. The study compared groups at one time, so it cannot show that CKD caused more sitting or that sitting caused cognitive decline. The exploratory regression was not powered for that analysis, and the groups differed in education, hypertension, diabetes, and BMI. The supplied text states 24 participants with CKD but does not clearly state the final number without CKD.
The easy way to misread this
Do not read the higher mean sedentary time in the CKD group or the significant fragmentation index as proof that CKD causes a worse sedentary pattern. The primary difference in total sedentary time was not significant, the regression was exploratory and not powered, and the design was cross-sectional.