Table 1 Baseline characteristics of the risk and control groups in adults (age < 65)
Variables | Categories | Unadjusted data | Propensity-matched data | ||||
|---|---|---|---|---|---|---|---|
Control (n = 5639), M ± SD, n (%) | At risk (n = 2014), M ± SD, n (%) | p | Control (n = 1661), M ± SD, n (%) | At risk (n = 1661), M ± SD, n (%) | p | ||
Age (years) | 45.41 ± 0.19 | 54.60 ± 0.20 | < .001 | 53.78 ± 0.22 | 53.42 ± 0.22 | .205 | |
Sex | Male | 2273 (38.0) | 990 (46.4) | < .001 | 818 (46.4) | 784 (43.7) | .165 |
Female | 3366 (62.0) | 1024 (53.6) | 843 (53.6) | 877 (56.3) | |||
Education | ≤ Middle school | 689 (12.3) | 692 (34.9) | < .001 | 467 (28.0) | 507 (31.4) | .095 |
≥ High school | 4950 (87.7) | 1322 (65.1) | 1194 (72.0) | 1154 (68.6) | |||
Household income | Middle-low | 1680 (29.4) | 786 (37.9) | < .001 | 599 (35.4) | 602 (35.6) | .902 |
Middle-high | 3959 (70.6) | 1228 (62.1) | 1062 (64.6) | 1059 (64.4) | |||
Marital status | Married | 5040 (89.5) | 1913 (95.8) | < .001 | 78 (95.8) | 1569 (95.5) | .687 |
Single/others | 599 (10.5) | 101 (4.2) | 572 (4.2) | 92 (4.5) | |||
Family history of CVD | No | 2307 (41.8) | 613 (29.9) | < .001 | 1583 (35.0) | 548 (32.3) | .175 |
Yes | 3332 (58.2) | 1401 (70.1) | 1089 (65.0) | 1113 (67.7) | |||
Living area | Urban | 4846 (86.7) | 1615 (82.4) | .002 | 291 (15.9) | 297 (16.1) | .887 |
Rural | 793 (13.3) | 399 (17.6) | 1370 (84.1) | 1364 (83.9) | |||
Employment | None/housewife | 1490 (28.1) | 585 (30.2) | .154 | 447 (29.3) | 490 (30.9) | .412 |
Employed | 4149 (71.9) | 1429 (69.8) | 1214 (70.7) | 1171 (69.1) | |||
Smoking | Never/ex-smoker | 4518 (80.9) | 1566 (79.5) | .281 | 1282 (78.4) | 1272 (78.8) | .819 |
Current smoker | 1121 (19.1) | 448 (20.5) | 379 (21.6) | 389 (21.2) | |||
BMI | < 25 kg/m2 | 3932 (71.1) | 1050 (53.6) | < .001 | 976 (59.5) | 940 (58.0) | .435 |
≥ 25 kg/m2 | 1707 (28.9) | 964 (46.4) | 685 (40.5) | 721 (42.0) | |||