Table 2: Sample characteristics by sex and PSQI sleep quality; Rancho Bernardo, California

 

Women

Men

Characteristics

Good Sleep Quality

( n = 151)

Poor Sleep Quality

(n = 152)

p-value

Good Sleep Quality

(n = 104)

Poor Sleep Quality

(n = 64)

p-value

Age, [years], mean SD

72.5 9.1

74.6 8.4

0.06

74.2 7.9

74.1 8.7

0.94

Height, [in], mean SD

63.3 2.4

63.3 2.6

0.91

68.8 2.7

69.4 2.9

0.20

Weight, [lb.], mean SD

144.2 28.3

153.1 32.1

0.02

186.1 32.9

190.1 27.9

0.37

BMI, [lb./in2 ], mean SD

25.3 4.5

26.9 5.4

0.01

27.6 4.2

27.9 3.9

0.71

Marital Status (n = 468)

 

 

0.22

 

 

1.00

Married/Living together as if married

108 (71.5)

64 (61.5)

 

136 (89.5)

56 (91.8)

 

Widowed/Divorced/Separated

40 (26.5)

37 (35.6)

 

14 (9.2)

5 (8.2)

 

Single

3 (2.0)

3 (2.9)

 

2 (1.3)

0 (0.0)

 

Kyphosis

 

 

 

 

 

 

Flexicurve, mean SD

12.4 3.3

12.9 3.0

0.25

12.2 2.6

11.9 2.6

0.49

General health (n = 468)

 

 

0.02

 

 

0.01

Excellent/Very good

104 (68.7)

57 (54.8)

 

105 (69.1)

31 (50.8)

 

Good/Fair/Poor

47 (31.1)

47 (45.2)

 

47 (30.9)

30 (49.2)

 

Smoking status (n = 467)

 

 

0.03

 

 

0.06

Never

88 (58.3)

52 (50.5)

 

77 (50.6)

22 (36.1)

 

Past

54 (35.8)

50 (48.5)

 

72 (47.4)

35 (57.4)

 

Current

9 (6.0)

1 (1.0)

 

3 (2.0)

4 (6.5)

 

Alcohol (n = 410)

 

 

0.73

 

 

0.30

Daily or almost every day

46 (35.9)

37 (41.2)

 

67 (49.3)

21 (37.5)

 

Three or four times a week

18 (14.1)

11 (12.2)

 

20 (14.7)

9 (16.1)

 

Once or twice a week

23 (18.0)

11 (12.2)

 

18 (13.2)

6 (10.7)

 

Once or twice a month

12 (9.4)

11 (12.2)

 

13 (9.6)

11 (19.6)

 

Less often than once a month

29 (22.6)

20 (22.2)

 

18 (13.2)

9 (16.1)

 

Calcium supplement use, % Yes (n = 468)

81 (53.6)

63 (60.6)

0.27

43 (28.3)

23 (37.7)

0.18

Vitamin D current, % Yes (n = 468)

81 (53.6)

63 (60.6)

0.27

33 (21.7)

20 (32.8)

0.09

Estrogen ever, % Yes (n = 251)

116 (77.3)

79 (78.2)

0.87

-

-

 

Estrogen current, % Yes (n = 195)

26 (22.4)

19 (24.1)

0.79

-

-

 

Exercise ≥ 3 times/week, %Yes (n = 467)

110 (73.3)

64 (61.5)

0.05

114 (75.0)

48 (78.7)

0.57

Emphysema, %Yes (n = 457)

5 (3.4)

6 (5.8)

0.37

1 (0.7)

2 (3.4)

0.19

Diabetes, %Yes (n = 468)

9 (6.0)

12 (11.5)

0.11

22 (14.5)

8 (13.1)

0.80

Arthritis, %Yes (n = 476)

24 (16.0)

39 (37.9)

<0.01

17 (11.2)

16 (26.2)

<0.01

Depression, %Yes (n = 467)

17 (11.3)

21 (20.2)

0.05

10 (6.6)

9 (14.7)

0.06

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Abbreviations: SD = standard deviation; in. = inches; lb. = pound; PSQI = Pittsburgh Sleep Quality Index