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)