Table 3 Distribution of circadian rhythm parameters in pneumoconiosis patients and community referents.

From: Association of circadian rhythm with mild cognitive impairment among male pneumoconiosis workers in Hong Kong: a cross-sectional study

Variable

Community referents (N = 208)

Pneumoconiosis workers (N = 186)

P value

Percent rhythm

18.1

12.8–23.4

17.7

13.6–23.6

0.98

Amplitude

128.9

86.3–181.5

113.2

79.1–169.9

0.13

MESOR

268.2

213.3–327.5

236.4

194.9–309.5

0.008

Acrophase

14.1

12.5–15.6

13.5

12.2–14.8

0.029

  1. Values were given as median (interquartile range).
  2. MESOR midline estimating statistic of rhythm.
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