Table 1: Sample characteristics by sex; Rancho Bernardo, California

Characteristics

Total sample

(n = 468) n (%)

Women

(n = 255) n (%)

Men

(n = 213) n (%)

p-value

Age, [years], mean SD

73.7 8.5

73.3 8.8

74.2 8.1

0.28

Height, [in.], mean SD

65.9 3.8

63.3 2.5

69.0 2.8

< 0.01

Weight, [lb.], mean SD

165.8 36.5

147.8 30.2

187.2 31.6

< 0.01

BMI, [lb./in2 ], mean SD

26.7 4.6

25.9 4.9

27.7 4.1

< 0.01

Marital Status (n = 468)

 

 

 

< 0.01

Married/Living together as if married

364 (77.8)

172 (67.5)

192 (90.1)

 

Widowed/Divorced/Separated

96 (20.5)

77 (30.2)

19 (8.9)

 

Single

8 (1.7)

6 (2.4)

2 (0.9)

 

Kyphosis

 

 

 

 

Flexicurve, mean SD

12.4 3.0

12.6 3.2

12.1 2.6

0.04

PSQI

 

 

 

< 0.01

Good sleep quality

303 (64.7)

151 (59.2)

152 (71.4)

 

Poor sleep quality

165 (35.3)

104 (40.8)

61 (28.6)

 

General health (n = 468)

 

 

 

0.87

Excellent/Very good

297 (63.5)

161 (63.1)

136 (63.9)

 

Good/ Fair/Poor

171 (36.5)

94 (36.9)

77 (36.1)

 

Smoking status (n = 467)

 

 

 

0.13

Never

239 (51.2)

140 (55.1)

99 (46.5)

 

Past

211 (45.2)

104 (40.9)

107 (50.2)

 

Current

17 (3.6)

10 (4.0)

7 (3.3)

 

Alcohol (n = 410)

 

 

 

0.16

Daily or almost every day

171 (41.7)

83 (48.1)

88 (45.8)

 

Three or four times a week

58 (14.2)

29 (13.3)

29 (15.1)

 

Once or twice a week

58 (14.2)

34 (15.6)

24 (12.5)

 

Once or twice a month

47 (11.4)

23 (10.5)

24 (12.5)

 

Less often than once a month

76 (18.5)

49 (22.5)

27 (14.1)

 

Calcium supplement use, % Yes (n = 468)

210 (44.8)

144 (56.5)

66 (31.0)

< 0.01

Vitamin D current, % Yes (n = 468)

197 (42.1)

114 (56.5)

53 (24.9)

< 0.01

Estrogen ever, % Yes (n = 251)

195 (77.7)

195 (77.7)

-

-

Estrogen current, % Yes (n = 195)

45 (23.1)

45 (23.1)

-

-

Exercise ≥ three times a week, %Yes (n = 467)

336 (72.0)

174 (68.5)

162 (76.1)

0.07

Emphysema, %Yes (n = 457)

14 (3.1)

11 (4.4)

3 (1.5)

0.07

Diabetes, %Yes (n = 468)

51 (10.9)

21 (8.2)

30 (14.1)

0.04

Arthritis, %Yes (n = 476)

96 (20.6)

63 (24.9)

33 (15.5)

0.01

Depression, %Yes (n = 467)

57 (12.2)

38 (14.9)

19 (9.0)

0.05

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Abbreviations: SD = standard deviation; in. = inches; lb. = pound; PSQI = Pittsburgh Sleep Quality Index; Good sleep quality (PSQI ≤ 5)