Table 1 Demographic and clinical characteristics overall and by fatigue group
From: Sleep assessment in a population-based study of chronic fatigue syndrome
Overall | NF | NF | F | ISF | M/P | CFS-R | CFS | |
|---|---|---|---|---|---|---|---|
No. (%) | 339 | 41 (12.1) | 21 (6.2) | 90 (26.6) | 145 (42.8) | 18 (5.3) | 24 (7.1) |
Mean Age, years (SD) | 45.8 (10.9) | 46.9(13.0) | 40.6(8.2) | 44.5(11.2) | 47.3(10.5) | 46.4(7.5) | 44.7(10.4) |
Female (%) | 77.0 | 63.4 | 71.4 | 74.4 | 83.5 | 72.2 | 79.2 |
White (%) | 94.1 | 92.7 | 100.0 | 91.1 | 96.6 | 83.3 | 95.8 |
Education > High School(%) | 65.5 | 80.5 | 66.7 | 62.2 | 63.5 | 55.6 | 70.8 |
Income > $40,000/yr (%) | 47.5 | 58.5 | 61.9 | 44.4 | 43.5 | 66.7 | 37.5 |
Mean BMI (SD)* | 28.5 (6.3) | 25.3(4.7) | 28(5.7) | 28.6(6.4) | 29.5(6.7) | 28.6(5.2) | 28.2(6.0) |
<18.5: Underweight (%) | 3.6 | 7.3 | 4.8 | 2.2 | 2.8 | 0.0 | 8.3 |
18.5–24.9: Normal (%) | 25.7 | 36.6 | 23.8 | 27.8 | 23.6 | 22.2 | 16.7 |
25–29.9: Overweight (%) | 30.5 | 41.5 | 33.3 | 26.7 | 27.8 | 38.9 | 33.3 |
30–39.9: Obesity (%) | 32.8 | 14.6 | 33.3 | 33.3 | 36.1 | 33.3 | 41.7 |
≥ 40: Extreme obesity (%) | 7.4 | 0.0 | 4.8 | 10.0 | 9.7 | 5.6 | 0.0 |
Neck circumference (cm) Mean (SD) | 36.4 (3.8) | 35.7 (3.9) | 36.4 (3.7) | 36.8 (4.1) | 36.4 (3.8) | 36.3 (2.6) | 36.3 (3.3) |
≥ 43.18 cm in males (%) | 12.8 | 0.0 | 16.7 | 17.4 | 20.8 | 0.0 | 0.0 |
≥ 40.64 cm in females (%) | 6.3 | 7.7 | 0.0 | 12.1 | 4.2 | 7.7 | 0.0 |
Years fatigued, median (Range) | 6.8 (0.3–55.5) | -------- | -------- | 5.9 (0.5–40.8) | 7.2 (0.3–55.5) | 8.6 (2.1–39.7) | 6.5 (1.4–47.8) |
Mean Wellness score (SD)† | 53.0 (22.7) | 85.5(14.9) | 70.5(17.2) | 51.9 (17.0) | 44.0 19.3) | 56.4 19.2) | 39.8 (18.3) |
Fatigue severity score Mean (SD)† | 5.4 (1.0) | ------- | ------ | 5.0 (0.9) | 5.5 (1.0) | 5.6 (0.8) | 6.0 (0.6) |