Table 1 Baseline demographic characteristics and comorbid conditions.
Characteristic | Study sample |
|---|---|
Age (years) | |
N | 73 |
Mean (SD) | 78.3 (7.0) |
Median (range) | 79 (58 -- 92) |
Gender, n (%) | |
Female | 45 (61.6) |
Male | 27 (37.0) |
Missing | 1 (1.4) |
Ethnicity, n (%) | |
White, non-Hispanic | 26 (35.6) |
Missing | 47 (64.4) |
Reported comorbid disease, n (%) | 63 (86.3) |
Comorbid disease, n (%) | |
Diabetes | 5 (6.8) |
Cancer | 13 (17.8) |
Asthma | 4 (5.5) |
Chronic obstructive pulmonary disease | 2 (2.7) |
Arthritis and rheumatism | 22 (30.1) |
Headache (migraine, cluster) | 1 (1.4) |
Chronic neck or back pain | 1 (1.4) |
Heart disease | 12 (16.4) |
Stroke | 2 (2.7) |
Sleep disturbance | 1 (1.4) |
Comorbid disease categories, n (%) | |
Ocular* | 31 (42.5) |
Other | 55 (75.3) |
Comorbid diseases† | |
N | 63 |
Mean (SD) | 3.1 (1.5) |
Median (range) | 3 (1 -- 7) |