Clinical and life style factors related to the nighttime blood pressure, nighttime dipping and their phenotypes in Korean hypertensive patients

Table 3 Multiple linear regression analysis for the factor associated with nighttime systolic blood pressure in hypertensive patients

	β coefficient	Standard error	p-value
Age (per 1 year)	0.0441	0.0172	0.01
Female	-1.0248	0.473	0.03
Regular physical activity	0.2418	0.4323	0.576
Body mass index (per 1 kg/m2)	-0.0303	0.0612	0.62
Current smoking	-1.4245	0.612	0.02
Alcohol drinking	-0.836	0.4732	0.078
Taking antihypertensive drug	-0.6332	0.4483	0.158
Medical history of diabetes mellitus	0.9556	0.5223	0.068
Medical history of cardiovascular disease^a	0.5548	0.6055	0.36
Total cholesterol (per 1 mg/dL)	-0.0157	0.0049	0.001
eGFR (per 1 ml/min/1.73m2)	-0.0197	0.0105	0.061
24-h mean SBP (per 1 mmHg)	1.0608	0.0157	< 0.001
Office SBP (per 1 mmHg)	-0.027	0.0117	0.021
Sleep duration (per 1 min)	0.0105	0.002	< 0.001
Sleep quality (per 1 point increase)	-0.8093	0.2029	< 0.001

ABPM Ambulatory blood pressure monitoring, eGFR Estimated glomerular filtration rate, SBP Systolic blood pressure
^aCardiovascular diseases are defined as a composite of myocardial infarction, coronary artery disease, and stroke

ISSN: 2056-5909