Table 1 Baseline characteristics of study participants according to incidence of frailty
From: Sleep duration and incident frailty: The Rural Frailty Study
Variables | Frailty at follow-up | P Value | |||
|---|---|---|---|---|---|
Robust/Pre-frail | Frail | ||||
215 | (69.6%) | 94 | (30.4%) | ||
n | % | n | % | ||
Sleep duration (%) | |||||
5 h or less | 23 | 10.7 | 18 | 19.1 | |
6 h | 30 | 13.9 | 9 | 9.6 | |
7–8 h | 87 | 40.5 | 23 | 24.5 | |
9 h or more | 75 | 34.9 | 44 | 46.8 | 0.009 |
Sleep complaints (%) | 35 | 16.3 | 23 | 24.5 | 0.090 |
Women (%) | 110 | 51.2 | 61 | 64.9 | 0.026 |
Ethnicity background (%) | 75 | 34.9 | 43 | 45.7 | 0.071 |
Literacy (%) | 92 | 42.8 | 30 | 31.9 | 0.072 |
Paid job (%) | 79 | 36.7 | 19 | 20.2 | 0.004 |
With partner (%) | 110 | 51.2 | 38 | 40.4 | 0.082 |
Subjective memory complaint (%) | 54 | 25.1 | 40 | 42.6 | 0.002 |
Limitations in ADL (%) | 23 | 10.7 | 26 | 27.7 | < 0.001 |
Limitations in IADL (%) | 39 | 18.1 | 31 | 33.0 | 0.004 |
SPPB, < 8 (%) | 46 | 21.4 | 41 | 43.6 | < 0.001 |
Hypertension (%) | 72 | 33.5 | 41 | 43.6 | 0.089 |
Diabetes (%) | 15 | 7.0 | 12 | 12.8 | 0.097 |
Hypercholesterolemia (%) | 27 | 12.6 | 16 | 17.0 | 0.297 |
Coronary heart disease (%) | 10 | 4.7 | 7 | 7.5 | 0.321 |
Stroke (%) | 3 | 1.4 | 3 | 3.2 | 0.373 |
Arthritis (%) | 22 | 10.2 | 10 | 10.6 | 0.914 |
Osteoporosis (%) | 16 | 7.4 | 11 | 11.7 | 0.222 |
Mean age (years) | 75.8 | ±3.04 | 77.01 | ± 3.48 | 0.002 |
Mean number of medications | 0.44 | ±0.74 | 0.71 | ± 0.93 | 0.013 |