Table 2 Baseline health variables of study participants according to baseline sleep duration
From: Sleep duration and incident frailty: The Rural Frailty Study
Sleep duration | P Value | ||||||||
|---|---|---|---|---|---|---|---|---|---|
5 h or less | 6 h | 7–8 h | 9 h or more | ||||||
41 | (13.3%) | 39 | (12.6%) | 110 | (35.6%) | 119 | (38.5%) | ||
n | % | n | % | n | % | n | % | ||
Subjective memory complaint (%) | 16 | 36.6 | 13 | 33.3 | 29 | 26.4 | 37 | 31.1 | 0.621 |
Limitations in ADL (%) | 11 | 26.8 | 7 | 18.0 | 13 | 11.8 | 18 | 15.1 | 0.156 |
Limitations in IADL (%) | 10 | 24.4 | 6 | 15.4 | 23 | 20.9 | 31 | 26.0 | 0.528 |
SPPB, < 8 (%) | 8 | 19.5 | 10 | 25.6 | 29 | 26.4 | 40 | 33.6 | 0.313 |
Hypertension (%) | 15 | 36.6 | 20 | 51.3 | 40 | 36.4 | 38 | 31.9 | 0.192 |
Diabetes (%) | 4 | 9.8 | 4 | 10.3 | 3 | 2.7 | 16 | 13.5 | 0.019 |
Hypercholesterolemia (%) | 5 | 12.2 | 7 | 18.0 | 16 | 14.6 | 15 | 12.6 | 0.840 |
Coronary heart disease (%) | 3 | 7.32 | 3 | 7.7 | 5 | 4.6 | 6 | 5.0 | 0.740 |
Stroke (%) | 0 | 0 | 0 | 0 | 2 | 1.8 | 4 | 3.4 | 0.629 |
Arthritis (%) | 6 | 14.6 | 9 | 23.1 | 11 | 10.0 | 6 | 5.0 | 0.010 |
Osteoporosis (%) | 6 | 14.6 | 4 | 10.3 | 7 | 6.4 | 10 | 8.4 | 0.402 |