Considering Psychosocial Factors When Investigating Blood Pressure in Patients with Short Sleep Duration: A Propensity Score Matched Analysis
Table 1
Baseline clinical characteristics of the unmatched and matched populations.
Unmatched population (n = 429)
Propensity score matched 1 : 1 (n = 137)
Sleep duration ≤6 h
Sleep duration >6 h
Sleep duration ≤6 h
Sleep duration >6 h
No. of patients
72
357
72
65
Age, mean (±SD)
47.7 (12.9)
44.9 (14.2)
47.7 (12.9)
47.1 (13.9)
0.797
Male, % (n)
58.3 (42)
209 (58.5)
58.3 (42)
64.6 (42)
0.451
BMI (kg/m2), mean (±SD)
24.0 (3.0)
24.0 (3.3)
24.0 (3.0)
24.1 (2.8)
0.787
Diabetes mellitus, % (n)
4.2 (3)
12 (3.4)
4.2 (3)
7.7 (5)
0.380
Alcohol, % (n)
30.6 (22)
85 (23.8)
30.6 (22)
32.3 (21)
0.825
Smoking, % (n)
23.6 (17)
69 (19.3)
23.6 (17)
24.6 (16)
0.891
GAD-7, mean (±SD)
3.7 (4.0)
3.2 (3.5)
3.7 (4.0)
3.5 (3.4)
0.801
PHQ-9, mean (±SD)
3.8 (3.6)
2.9 (3.3)
3.8 (3.6)
3.1 (3.0)
0.237
FIRST, mean (±SD)
14.7 (6.1)
14.1 (4.9)
14.7 (6.1)
14.2 (4.8)
0.579
SD indicates standard deviation; BMI, body mass index; GAD-7, Generalized Anxiety Disorder Scale-7; PHQ-9, Patient Health Questionnaire-9; FIRST, Ford Insomnia Response to Stress Test.
