Table 1

Age- and sex-adjusted characteristics of subjects at baseline examination

Degree of proteinuriap for
ANOVA/
ANCOVA

(n=5180)
±
(n=289)
+
(n=197)
≥2+
(n=33)
MeanSEMeanSEMeanSEMeanSE
Age (years)37.90.135.80.538.30.638.71.5<0.01
Men (%)88.685.891.981.80.12
Body mass index (kg/m2)22.90.022.80.223.60.225.10.6<0.01
Systolic blood pressure (mm Hg)115.30.2113.70.8117.70.9121.42.2<0.01
Diastolic blood pressure (mm Hg)70.90.170.10.673.30.775.01.7<0.01
Medication for hypertension (%)2.94.16.427.0<0.01
HbA1c (NGSP) (%)5.30.05.30.05.40.05.70.1<0.01
Medication for diabetes mellitus (%)1.00.23.09.0<0.01
Creatinine (mg/dL)0.80.00.80.00.80.01.30.0<0.01
Current smoker (%)72.074.679.079.10.07
History of noisy work environment 2008–2016 (%)14.212.711.119.40.35
Number of hearing impairment at 1 kHz39221
Number of hearing impairment at 4 kHz113574
Number of hearing impairment at 1 and/or 4 kHz143685
  • ANCOVA, analysis of covariance; ANOVA, analysis of variance; HbA1c, haemoglobin A1c; NGSP, National Glycohemoglobin Standardization Program.