Table 1 Characteristics of subjects in the NCG and CIG
All study population Mean or N (95% CI or %) (n = 417) | NCG Mean or N (95% CI or %) (n = 142) | CIG Mean or N (95% CI or %) (n = 275) | p-value | |
|---|---|---|---|---|
Age (years) | 74.21 (73.69 ~ 74.73) | 72.96 (72.19 ~ 73.72) | 74.85 (74.18 ~ 75.53) | 0.005 |
Sex (Male, %) | 231 (55.40%) | 75 (52.82%) | 156 (56.73%) | 0.447 |
Education (years) | 10.60 (10.17 ~ 11.03) | 10.26 (9.53 ~ 11.00) | 10.77 (10.24 ~ 11.30) | 0.317 |
Monthly Income | ||||
> 5 million (won) | 43 (10.31%) | 19 (13.38%) | 24 (8.78%) | 0.242 |
< 4 million (won) | 88 (21.10%) | 34 (23.94%) | 54 (19.64%) | |
< 3 million (won) | 89 (21.34%) | 26 (18.31%) | 63 (22.91%) | |
< 2 million (won) | 106 (25.42%) | 30 (21.13%) | 76 (27.64%) | |
< 1 million (won) | 91 (21.82%) | 33 (23.24%) | 58 (21.09%) | |
Marital status | ||||
Married | 343 (82.25%) | 120 (84.51%) | 223 (81.09%) | 0.387 |
Divorced / Seperaated | 74 (17.75%) | 22 (15.49%) | 52 (18.91%) | |
Smoke status | ||||
Current smoker | 22 (5.28%) | 5 (3.52%) | 17 (6.18%) | 0.47 |
Ex-smoker | 144 (34.53%) | 48 (33.8%) | 96 (34.91%) | |
Never smoked | 251 (60.19%) | 89 (62.68%) | 162 (58.91%) | |
Alcohol status | ||||
Current drinker | 139 (33.33%) | 54 (38.03%) | 85 (30.91%) | 0.114 |
Ex-drinker | 113 (27.10%) | 30 (21.13%) | 83 (30.18%) | |
Never drunk | 165 (39.57%) | 58 (40.85%) | 107 (38.91%) | |
Body mass index (kg/m2) | 24.85 (24.55 ~ 25.15) | 24.99 (24.45 ~ 25.54) | 24.78 (24.42 ~ 25.14) | 0.578 |
Depression | ||||
Yes | 134 (32.13%) | 37 (26.06%) | 97 (35.27%) | 0.056 |
No | 283 (67.87%) | 105 (73.94%) | 178 (64.73%) | |
Diabetes | ||||
Yes | 116 (27.82%) | 53 (37.32%) | 63 (22.91%) | 0.002 |
No | 301 (72.18%) | 89 (62.68%) | 212 (77.09%) | |
Hypertesion | ||||
Yes | 280 (67.15%) | 94 (66.2%) | 186 (67.64%) | 0.767 |
No | 137 (32.85%) | 48 (33.8%) | 89 (32.36%) |