Table 1 Baseline data and clinical characteristics of tumor group and control group
Total population(n = 1505) | Control group(n = 1005) | Case group(n = 500) | P-value | |
|---|---|---|---|---|
Sex | 0.150 | |||
Male | 752(50.0) | 489(48.7) | 263(52.6) | |
Female | 753(50.0) | 516(51.3) | 237(47.4) | |
Age | 61(56,67) | 61(57,66) | 62(55,68) | 0.210 |
BMI | 0.097 | |||
< 20 | 244(16.2) | 176(17.5) | 68(13.6) | |
20–25 | 735(48.8) | 482(48.0) | 253(50.6) | |
25–30 | 494(32.8) | 330(32.8) | 164(32.8) | |
≥ 30 | 32(2.1) | 17(1.7) | 15(3.0) | |
Education | < 0.001 | |||
Not exceeding junior high school | 586(38.9) | 199(19.8) | 387(77.4) | |
Having attended high school | 427(28.4) | 361(35.9) | 66(13.2) | |
High school graduation | 321(21.3) | 279(27.8) | 42(8.4) | |
University and above | 171(11.4) | 166(16.5) | 5(1.0) | |
Income (yuan/month) | < 0.001 | |||
< 500 | 241(16.0) | 7(0.7) | 234(46.8) | |
500–1000 | 125(8.3) | 52(5.2) | 73(14.6) | |
1000–2000 | 246(16.3) | 178(17.7) | 68(13.6) | |
2000–3000 | 328(21.8) | 275(27.4) | 53(10.6) | |
> 3000 | 565(37.5) | 493(49.1) | 72(14.4) | |
Marital status | 0.385 | |||
Divorce | 119(7.9) | 81(8.1) | 38(7.6) | |
Widowed | 166(11.0) | 103(10.2) | 65(12.6) | |
Married | 1220(81.1) | 821(81.7) | 399(79.8) | |
Insurance | 0.170 | |||
No | 166(11.0) | 103(10.2) | 63(12.6) | |
Yes | 1339(89.0) | 902(89.8) | 437(87.4) | |
Habitation | < 0.001 | |||
Rural | 472(31.4) | 95(9.5) | 377(75.4) | |
Urban | 1033(68.6) | 910(90.5) | 123(24.6) | |
Smoke | 0.687 | |||
Never smoked | 849(56.4) | 573(57.0) | 276(55.2) | |
Former smokers | 199(13.2) | 128(12.7) | 71(14.2) | |
Current smokers | 457(30.4) | 304(30.2) | 153(30.6) | |
Alcohol | < 0.001 | |||
Never | 765(50.8) | 543(54.0) | 222(44.4) | |
Former drinkers | 233(15.5) | 119(11.8) | 114(22.8) | |
Current drinkers | 507(33.7) | 343(34.1) | 164(32.8) | |
Hypertension | 0.165 | |||
No | 1073(71.3) | 728(72.4) | 345(69.0) | |
Yes | 432(28.7) | 277(27.6) | 155(31.0) | |
Diabetes | < 0.001 | |||
No | 1391(92.4) | 958(95.3) | 433(86.6) | |
Yes | 114(7.6) | 47(4.7) | 67(13.4) | |
Hyperlipidemia | 0.629 | |||
No | 1256(83.5) | 842(83.8) | 414(82.8) | |
Yes | 249(16.5) | 163(16.2) | 86(17.2) | |
Family history of malignancies | 0.593 | |||
No | 1404(93.3) | 940(93.5) | 464(92.8) | |
Yes | 101(6.7) | 65(6.5) | 36(7.2) | |
Periodontitis Severity | < 0.001 | |||
No periodontitis | 870(57.8) | 640(63.7) | 230(46.0) | |
Mild periodontitis | 318(21.1) | 230(22.9) | 88(17.6) | |
Moderate periodontitis | 178(11.8) | 96(9.6) | 82(16.4) | |
Severe periodontitis | 139(9.2) | 39(3.9) | 100(20.0) |