Table 5 Association between circadian rhythm and MCI or cognitive impairment assessed by CMMSE in study population.

Percent rhythm ^a

 ≥ 17.8

61/38

1.00 (ref)

48/28

0.73 (0.36, 1.51)

 < 17.8

71/23

0.48 (0.24, 0.95) **

45/44

1.16 (0.58, 2.31)

Amplitude ^a

 ≥ 120.8

77/29

1.00 (ref)

50/28

1.13 (0.54, 2.34)

 < 120.8

55/32

1.11 (0.56, 2.21)

43/44

1.62 (0.80, 3.25)

MESOR ^a

 ≥ 254.8

81/32

1.00 (ref)

50/26

1.11 (0.54, 2.27)

 < 254.8

51/29

1.23 (0.61, 2.49)

43/46

1.74 (0.88, 3.44)

Acrophase ^a

 ≥ 13.8

78/29

1.00 (ref)

42/38

1.89 (0.92, 3.90) *

 < 13.8

54/32

1.05 (0.51, 2.15)

51/34

0.95 (0.45, 2.03)

Percent rhythm ^a

 ≥ 17.8

61/45

1.00 (ref)

48/43

0.89 (0.46, 1.76)

 < 17.8

71/31

0.52 (0.27, 1.00) **

45/50

1.04 (0.53, 2.05)

Amplitude ^a

 ≥ 120.8

77/33

1.00 (ref)

50/37

1.26 (0.64, 2.51)

 < 120.8

55/43

1.25 (0.65, 2.41)

43/56

1.66 (0.84, 3.26)

MESOR ^a

 ≥ 254.8

81/37

1.00 (ref)

50/30

1.09 (0.55, 2.18)

 < 254.8

51/39

1.49 (0.76, 2.89)

43/63

1.99 (1.04, 3.81) **

Acrophase ^a

 ≥ 13.8

78/35

1.00 (ref)

42/42

1.65 (0.82, 3.33)

 < 13.8

54/41

1.03 (0.52, 2.02)

51/51

1.10 (0.55, 2.23)