Table 1

Characteristics of study participants (N=1266)

VariablesStatistics
Number of participants1266
Age (years), mean (SD)69.8 (8.8)
Men, n (%)1048 (82.8)
Region, n (%)
Changzhi472 (37.3)
Yangcheng285 (22.5)
Xi’an299 (23.6)
Hohhot210 (16.6)
Current smoking, n (%)488 (38.6)
Current drinking, n (%)134 (10.6)
Unhealthy conditions, n (%)
Hypertension815 (64.4)
Stroke338 (26.7)
Diabetes mellitus149 (11.8)
Coronary heart disease128 (10.1)
Chronic kidney disease30 (2.4)
Chronic obstructive pulmonary disease11 (0.9)
Cancer8 (0.6)
Bedridden66 (5.2)
Antihypertension medication use, n (%)
Potassium-sparing medications*†119 (9.9)
Kaliuretic diuretics*161 (13.4)
Other antihypertension medications*‡260 (21.6)
eGFR, mL/min/1.73 m2, n (%)
≥90707 (55.9)
60–89504 (39.8)
<6055 (4.3)
  • *Number of participants with missing data: 60.

  • †Include ACEI/ARB, β-blocker and potassium-sparing diuretics.

  • ‡Include calcium channel blocker, α-blocker and so on.

  • ACEI, ACE inhibitor; ARB, angiotensin receptor blocker; eGFR, estimated glomerular filtration rate.