| |
Overall
|
No OH
|
OH
|
P-valueh
|
|---|
| |
N=3144
|
N=2904
|
N=240
|
|---|
|
Age mean (SE)
|
69.3
|
(.18)
|
69.1
|
(.17)
|
71.6
|
(.59)
|
t= -4.29
|
<0.001
|
|
Female sex n (%)
|
1650
|
52.0
|
1506
|
51.2
|
144
|
61.8
|
X2= 5.89
|
0.01
|
|
Education: n (%)
| | | | | | | | |
|
Primary
|
1075
|
44.0
|
988
|
43.6
|
87
|
49.2
|
X2= .489
|
0.48
|
|
Secondary
|
1141
|
38.3
|
1062
|
38.6
|
79
|
33.5
|
X2= 1.29
|
0.26
|
|
Tertiary
|
926
|
17.7
|
852
|
17.7
|
74
|
17.4
|
X2= .232
|
0.65
|
|
Current smoker n (%)
|
393
|
13.2
|
360
|
13.1
|
33
|
14.4
|
X2= .371
|
0.54
|
|
Hypertension
a n (%)
|
1830
|
59.5
|
1667
|
58.7
|
163
|
69.4
|
X2= 10.5
|
0.002
|
|
Antihypertensive medications n (%)
|
1466
|
47.3
|
1324
|
46.7
|
122
|
54.3
|
X2= 3.14
|
0.08
|
|
Psychotropic medication n (%)
|
193
|
6.1
|
181
|
6.2
|
12
|
5.0
|
X2=585
|
0.44
|
|
History cardiovascular disease
b n (%)
|
389
|
13.1
|
368
|
13.4
|
21
|
9.6
|
X2= 3.14
|
0.08
|
|
Diabetes n (%)
|
270
|
8.8
|
249
|
8.7
|
21
|
9.5
|
X2=.009
|
0.90
|
|
Anxiety
c n (%)
|
150
|
5.7
|
138
|
5.6
|
12
|
5.9
|
X2= .036
|
0.87
|
|
Orthostatic symptoms
d n (%)
|
20
|
8.5
|
0
|
0
|
20
|
8.5
|
X2=243
|
<0.001
|
|
High cholesterol
e mean (SE)
|
4.95
|
(.02)
|
4.95
|
(.07)
|
4.99
|
(.07)
|
t= -.627
|
0.53
|
|
BMI
f mean (SE)
|
27.7
|
(.05)
|
28.7
|
(.09)
|
27.8
|
(.19)
|
t=2.35
|
0.01
|
|
MMSE
g mean (SE)
|
27.3
|
(.19)
|
28.0
|
(.19)
|
27.2
|
(.88)
|
t=2.12
|
0.04
|
-
amean of 2 seated systolic blood pressures is ≥140 mmHg and/or mean of 2 seated diastolic blood pressures is ≥90 mmHg or currently taking antihypertensive medications.
-
bhistory of angina, stroke or myocardial infarction.
-
cHospital Anxiety and Depression Scale ≥ 11 (range 0–21).
-
dsymptoms of dizziness, lightheaded or unsteadiness on standing.
-
emeasure obtained from venous sample.
-
fBody Mass Index.
-
gMini Mental State Examination (range 0–30).
-
hcomparison of no OH and OH group based on t-test for continuous variables and X2 for categorical variables.
