Table 1. 人口特征学分析
Variable Q1
N = 992
1
Q2
N = 991
1
Q3
N = 991
1
Q4
N = 991
1
p-value2
年龄 48.2 ± 19.1 51.3 ± 18.3 51.1 ± 16.3 49.5 ± 15.2
性别



<0.001
    男性 441 (44.5%) 604 (60.9%) 674 (68.0%) 585 (59.0%)
    女性 551 (55.5%) 387 (39.1%) 317 (32.0%) 406 (41.0%)
BMI (kg/m²) 21.8 ± 2.2 26.0 ± 1.7 29.2 ± 1.9 36.6 ± 5.6
教育程度



<0.001
    <高中学历 155 (15.6%) 166 (16.8%) 141 (14.2%) 93 (9.4%)
    ≥高中学历 837 (84.4%) 825 (83.2%) 850 (85.8%) 898 (90.6%)
种族



<0.001
    非西班牙裔白人 168 (16.9%) 248 (25.0%) 218 (22.0%) 184 (18.6%)
    非西班牙裔黑人 32 (3.2%) 14 (1.4%) 13 (1.3%) 17 (1.7%)
    墨西哥裔美国人 592 (59.7%) 537 (54.2%) 556 (56.1%) 551 (55.6%)
    其他种族 200 (20.2%) 192 (19.4%) 204 (20.6%) 239 (24.1%)
PIR



0.128
    <1.3 327 (33.0%) 308 (31.1%) 278 (28.1%) 297 (30.0%)
    1.3~3.5 391 (39.4%) 385 (38.8%) 386 (39.0%) 376 (37.9%)
    ≥3.5 274 (27.6%) 298 (30.1%) 327 (33.0%) 318 (32.1%)
高血压



0.001
    否 723 (72.9%) 669 (67.5%) 652 (65.8%) 648 (65.4%)
    是 269 (27.1%) 322 (32.5%) 339 (34.2%) 343 (34.6%)
糖尿病



<0.001
    否 942 (95.0%) 903 (91.1%) 887 (89.5%) 832 (84.0%)
    是 50 (5.0%) 88 (8.9%) 104 (10.5%) 159 (16.0%)
NHHR 2.7 ± 1.4 3.4 ± 1.7 3.8 ± 1.6 3.9 ± 1.5
饮酒



<0.001
    否 193 (19.5%) 148 (14.9%) 136 (13.7%) 193 (19.5%)
    是 799 (80.5%) 843 (85.1%) 855 (86.3%) 798 (80.5%)
吸烟



<0.001
    否 412 (41.5%) 546 (55.1%) 565 (57.0%) 606 (61.2%)
    是 580 (58.5%) 445 (44.9%) 426 (43.0%) 385 (38.8%)
腰围 (cm) 81.3 ± 7.5 93.4 ± 6.6 102.1 ± 6.4 117.3 ± 12.0
中等程度活动



0.354
    否 578 (58.3%) 567 (57.2%) 597 (60.2%) 601 (60.6%)
    是 414 (41.7%) 424 (42.8%) 394 (39.8%) 390 (39.4%)
腰高比 0.4 ± 0.0 0.4 ± 0.0 0.5 ± 0.0 0.6 ± 0.1
腰痛



<0.001
    无腰痛 600 (60.5%) 567 (57.2%) 518 (52.3%) 439 (44.3%)
    腰痛 392 (39.5%) 424 (42.8%) 473 (47.7%) 552 (55.7%)
1 Mean ± SD; n (%)
2 Pearson’s Chi-squared test