Research Article

Blood Pressure Variability Is Associated with Hearing and Hearing Loss: A Population-Based Study in Males

Table 1

Clinical characteristics of participants in different BPV groups.

Quartile 1
(SSD<6.4)
Quartile 2
(6.4≤SSD<9.1)
Quartile 3
(9.1≤SSD<12.3)
Quartile 4
(SSD≥12.3)
p for trend
(n=2165)(n=2156)(n=2166)(n=2159)

Age, year45.2±8.646.6±8.47.0±8.47.9±8.<0.001

SBP (mmHg)126±11129±1131±1137±2<0.001

DBP (mmHg)81±982±83±186±1<0.001

Mean of times (BP)4.3±0.84.5±0.4.5±0.4.4±0.<0.001

SSD (mmHg)5±111±16±<0.001

DSD (mmHg)5±3<0.001

SCV3.8±1.06.3±0.8.5±0.12.6±2.<0.001

DCV6.6±3.17.2±3.8.2±3.10.7±4.<0.001

4.9±1.58.0±1.10.8±1.15.7±3.<0.001

5.5±2.76.0±2.6.9±2.8.9±3.<0.001

BMI (kg/m2)25.2±3.225.3±3.225.2±3.325.0±3.30.034

FBG (mmol/L)5.5±1.55.6±1.55.6±1.5.7±1.<0.001

TC (mmol/L)4.8±1.45.0±1.5.0±1.5.0±1.<0.001

Occupational noise exposure, n (%)560 (25.9)502 (23.6)522 (24.3)493 (23.1)0.066

Cigarette smoking, n (%)1094 (60.2)1157 (62.9)1138 (61.3)1144 (62.6)0.272

Alcohol consumption, n (%)217 (10.7)240 (11.7)221 (10.7)270 (13.2)0.037

Physical exercise, n (%)170 (8.4)160 (7.8)164 (8.0)129 (6.3)0.022

Hypertension, n (%)521 (23.9)747 (34.9)878 (40.6)1345 (62.1)<0.001

Antihypertensive drug usage, n (%)57 (2.6)73 (3.4)112 (5.2)240 (11.1)<0.001

Diabetes mellitus, n (%)140 (6.6)159 (7.5)182 (8.6)268 (12.6)<0.001

Dyslipidemia, n (%)1524 (70.0)1549 (72.3)1588 (73.6)1651 (76.2)<0.001

SBP, systolic blood pressure; DBP, diastolic blood pressure; mean of times (BP), mean times of blood pressure measurement; SSD, standard deviation of systolic blood pressure; DSD, standard deviation of diastolic blood pressure; SCV, coefficient of the variation of systolic blood pressure; DCV, coefficient of the variation of diastolic blood pressure; , systolic blood pressure variation independent of mean; , diastolic blood pressure variation independent of mean; FBG, fasting blood glucose; BMI, body mass index; TC, total cholesterol; a, p<0.05 compared with quartile 1; b, p<0.05 compared with quartile 2; c, p<0.05 compared with quartile 3.