Table 1. Baseline characteristics among different smoking and drinking groups by sex.
| Nonsmoker/Nondrinker | Drinker | Smoker | Smoker/Drinker | P | |
|---|---|---|---|---|---|
| All participants | |||||
| Number of subjects | 8029 | 2159 | 2309 | 4583 | |
| Age (years) | 50.30 (10.06) | 59.26 (9.83) | 60.89 (10.03) | 59.57 (9.37) | <0.001 |
| Age group | <0.001 | ||||
| <50 | 1798 (22.39) | 483 (22.37) | 395 (17.11) | 868 (18.94) | |
| 50–59 | 2885 (35.93) | 754 (34.92) | 795 (34.43) | 1714 (37.40) | |
| 60–69 | 2077 (25.87) | 599 (27.74) | 636 (27.54) | 1321 (28.82) | |
| 70–79 | 954 (11.88) | 247 (11.44) | 392 (16.98) | 555 (12.11) | |
| ≥80 | 315 (3.92) | 76 (3.52) | 91 (3.94) | 125 (2.73) | |
| Middle school education (%) | 2109 (26.32) | 669 (31.00) | 738 (31.99) | 1752 (38.28) | |
| Rural (%) | 6236 (77.75) | 1656 (76.74) | 1839 (79.71) | 3603 (78.65) | 0.064 |
| Married (%) | 6838 (85.17) | 1896 (87.86) | 1966 (85.15) | 4152 (90.60) | <0.001 |
| Hypertension (%) | 3159 (39.34) | 834 (38.63) | 810 (35.08) | 1764 (38.49) | 0.003 |
| Dyslipidemia (%) | 2630 (32.76) | 659 (30.52) | 770 (33.35) | 1359 (29.65) | 0.001 |
| Diabetes (%) | 653 (8.13) | 178 (8.24) | 167 (7.23) | 288 (6.28) | 0.001 |
| Overweight or obesity (%)* | 2886 (46.29) | 712 (42.61) | 588 (32.15) | 1118 (31.98) | <0.001 |
| History of CVD (%) | 1211 (15.08) | 271 (12.55) | 333 (14.42) | 556 (12.13) | <0.001 |
| Male | |||||
| Number of subjects | 1091 | 1083 | 1767 | 4391 | |
| Age (years) | 61.42 (10.47) | 59.20 (9.96) | 60.17 (9.75) | 59.37 (9.26) | <0.001 |
| Age group | <0.001 | ||||
| <50 | 198 (18.15) | 253 (23.36) | 319 (18.05) | 855 (19.47) | |
| 50–59 | 332 (30.43) | 367 (33.89) | 638 (36.11) | 1655 (37.69) | |
| 60–69 | 308 (28.23) | 299 (27.61) | 490 (27.73) | 1254 (28.56) | |
| 70–79 | 202 (18.52) | 124 (11.45) | 264 (14.94) | 517 (11.77) | |
| ≥80 | 51 (4.67) | 40 (3.69) | 56 (3.17) | 110 (2.51) | |
| Middle school education (%) | 428 (39.34) | 460 (42.51) | 668 (37.83) | 1724 (39.32) | <0.001 |
| Rural (%) | 777 (71.22) | 772 (71.35) | 1390 (78.75) | 3441 (78.38) | <0.001 |
| Married (%) | 978 (89.64) | 1003(92.70) | 1563(88.46) | 4008(91.28) | <0.001 |
| Hypertension (%) | 402 (36.85) | 425 (39.24) | 570 (32.26) | 1671 (38.06) | <0.001 |
| Dyslipidemia (%) | 356 (32.63) | 333 (30.75) | 573 (32.43) | 1300 (29.61) | 0.077 |
| Diabetes (%) | 76 (6.97) | 95 (8.77) | 116 (6.56) | 275 (6.26) | 0.031 |
| Overweight or obesity (%)* | 300 (38.56) | 342 (42.59) | 408 (29.76) | 1058 (31.63) | <0.001 |
| History of CVD (%) | 139 (12.74) | 143 (13.20) | 197 (11.15) | 511 (11.64) | 0.292 |
| Female | |||||
| Number of subjects | 6938 | 1076 | 542 | 192 | |
| Age (years) | 58.97 (9.96) | 59.32 (9.70) | 63.22 (10.56) | 64.30 (10.49) | <0.001 |
| Age group | <0.001 | ||||
| <50 | 1600 (23.06) | 230 (21.38) | 76 (14.02) | 13 (6.77) | |
| 50–59 | 2553 (36.80) | 387 (35.97) | 157 (28.97) | 59 (30.73) | |
| 60–69 | 1769 (25.50) | 300 (27.88) | 146 (26.94) | 67 (34.90) | |
| 70–79 | 752 (10.84) | 123 (11.43) | 128 (23.62) | 38 (19.79) | |
| ≥80 | 264 (3.81) | 36 (3.35) | 35 (6.46) | 15 (7.81) | |
| Middle school education (%) | 1681 (24.27) | 209 (19.42) | 70 (12.94) | 28 (14.58) | <0.001 |
| Rural (%) | 5459 (78.77) | 884 (82.16) | 449 (82.84) | 162 (84.82) | 0.003 |
| Married (%) | 5860 (84.46) | 893 (82.99) | 403 (74.35) | 144 (75.00) | <0.001 |
| Hypertension (%) | 2757 (39.74) | 409 (38.01) | 240 (44.28) | 93 (48.44) | 0.008 |
| Dyslipidemia (%) | 2274 (32.78) | 326 (30.30) | 197 (36.35) | 59 (30.73) | 0.092 |
| Diabetes (%) | 577 (8.32) | 83 (7.71) | 51 (9.41) | 13 (6.77) | 0.582 |
| Overweight or obesity (%)* | 2586 (47.39) | 370 (42.63) | 180 (39.30) | 60 (39.74) | <0.001 |
| History of CVD (%) | 1072 (15.45) | 128 (11.90) | 136 (25.09) | 45 (23.44) | <0.001 |
*missing N = 2035 for male and N = 1814 for female.