Table 1 Baseline characteristics
Groups | Overall (n, %) | Non-RA (n, %) | RA (n, %) | P |
|---|---|---|---|---|
N | 9795 | 8755(89.38) | 1040(10.62) | 听 |
Age group (years) | ||||
鈥�&濒迟;鈥�60 | 2055(20.98) | 1851(21.14) | 204(19.62) | 0.002 |
鈥�60鈥�70 | 3104(31.69) | 2751(31.42) | 353(33.94) | |
鈥�71鈥�80 | 3179(32.46) | 2815(32.15) | 364(35.00) | |
鈥�&驳迟;鈥�80 | 1457(14.87) | 1338(15.28) | 119(11.44) | |
Gender | ||||
鈥僊补濒别 | 3815(38.95) | 3424(39.11) | 391(37.60) | 0.362 |
鈥僃别尘补濒别 | 5980(61.05) | 5331(60.89) | 649(62.40) | |
BMI (kg/m2) | ||||
鈥僓苍诲别谤飞别颈驳丑迟 | 22(0.22) | 21(0.24) | 1(0.10) | 鈥�&濒迟;鈥�0.001 |
鈥僋辞谤尘补濒 | 1099(11.22) | 1016(11.60) | 83(7.98) | |
鈥僌产别蝉颈迟测 | 2483(25.35) | 2275(25.99) | 208(20.00) | |
鈥僌惫别谤飞别颈驳丑迟 | 6191(63.21) | 5443(62.17) | 748(71.92) | |
Education | ||||
鈥僉ess than high school | 371(3.79) | 301(3.44) | 70(6.73) | 鈥�&濒迟;鈥�0.001 |
鈥僅igh school or Some college | 6799(69.41) | 6031(68.89) | 768(73.85) | |
鈥僀ollege degree or above | 2625(26.80) | 2423(27.68) | 202(19.42) | |
Alcohol | ||||
鈥僘别蝉 | 5191(53.00) | 4734(54.07) | 457(43.94) | 鈥�&濒迟;鈥�0.001 |
鈥僋辞 | 4604(47.00) | 4021(45.93) | 583(56.06) | |
Smoking | ||||
鈥僘别蝉 | 3660(37.37) | 3249(37.11) | 411(39.52) | 0.138 |
鈥僋辞 | 6135(62.63) | 5506(62.89) | 629(60.48) | |
Marital status | ||||
鈥僊补谤谤颈别诲 | 9230(94.23) | 8258(94.32) | 972(93.46) | 0.291 |
鈥僐别尘补谤谤颈别诲 | 565(5.77) | 497(5.68) | 68(6.54) | |