Table 1 Characteristics of the Participants at Enrollment in the Korean Elderly Environmental Panel Study (2008–2010)
|  | All (n = 547) | Men (n = 143) | Women (n = 404) |
|---|---|---|---|
Age (year) | 70.7 (5.2) | 71.4 (4.4) | 70.4 (5.5) |
Height (cm) | 154.7 (7.7) | 164.3 (5.3) | 151.3 (5.0) |
Weight (kg) | 59.3 (9.0) | 65.7 (9.8) | 57.0 (7.4) |
Smoking status | |||
Current smoker | 30 (5.5) | 29 (20.3) | 1 (0.3) |
Ex-smoker | 36 (6.6) | 32 (22.4) | 4 (1.0) |
Non-smoker | 467 (85.4) | 79 (55.2) | 388 (96.0) |
Did not answer | 14 (2.6) | 3 (2.1) | 11 (2.7) |
Alcohol consumption | |||
Current drinker | 118 (21.6) | 77 (53.9) | 41 (10.2) |
Nondrinker | 412 (75.3) | 61 (42.7) | 351 (86.9) |
Did not answer | 17 (3.1) | 5 (3.5) | 12 (3.0) |
Blood pressure (mmHg) | |||
Systolic blood pressure | 131.8 (16.7) | 130.8 (17.0) | 132.1 (16.6) |
Diastolic blood pressure | 74.5 (9.9) | 73.9 (10.2) | 74.7 (9.8) |
Mean arterial pressure | 93.6 (11.5) | 92.9 (11.9) | 93.8 (11.4) |
Heart rate variability | |||
SDNN (ms) | 26.9 (1.7) | 25.4 (1.7) | 27.4 (1.6) |
RMSSD (ms) | 20.5 (2.0) | 18.4 (2.1) | 21.3 (1.9) |
LF (ms2) | 90.83 (3.5) | 79.0 (3.5) | 95.4 (3.5) |
HF (ms2) | 66.9 (3.8) | 50.6 (4.1) | 73.8 (3.6) |