Research Article
Association and Interaction Analysis of Body Mass Index and Triglycerides Level with Blood Pressure in Elderly Individuals in China
Table 5
Characteristics of participants categorized by age in male and female (N=3629).
| | | Male(n=1810) | Female(n=1819) | | Variables | Age <68 years (n=807) | Age≥68 years (n=1003) | t/χ2 | P | Age <68 years (n=887) | Age≥68 years (n=932) | t/χ2 | P |
| | Education | | | | | | | | | | Illiterate | 94(11.65) | 278(27.72) | 73.763 | <0.001 | 409(46.11) | 634(68.03) | 94.734 | <0.001 | | Less than elementary school | 652(80.79) | 647(64.51) | | | 457(51.52) | 273(29.29) | | | | High school | 16(1.98) | 16(1.60) | | | 8(0.90) | 7(0.75) | | | | Above vocational school | 45(5.58) | 62(6.18) | | | 13(1.47) | 18(1.93) | | | | Marital status | | | | | | | | | | Single | 69(8.55) | 182(18.15) | 34.471 | <0.001 | 138(15.56) | 405(43.45) | 168.901 | <0.001 | | Married | 738(91.45) | 821(81.85) | | | 749(84.44) | 527(56.55) | | | | Current residence | | | | | | | | | | Rural | 538(66.67) | 683(68.10) | 0.416 | 0.519 | 580(65.39) | 574(61.59) | 2.831 | 0.092 | | Urban | 269(33.33) | 320(31.90) | | | 307(34.61) | 358(38.41) | | | | Smoke | | | | | | | | | | NO | 201(24.91) | 275(27.42) | 10.454 | 0.005 | 791(89.18) | 812(87.12) | 13.584 | 0.001 | | Former smoke | 145(17.97) | 228(22.73) | | | 15(1.69) | 44(4.72) | | | | Current smoke | 461(57.13) | 500(49.85) | | | 81(9.13) | 76(8.15) | | | | Drinking | | | | | | | | | | NO | 366(45.35) | 559(55.73) | 19.444 | <0.001 | 777(87.6) | 824(88.41) | 1.095 | 0.578 | | Less than once a month | 79(9.79) | 75(7.48) | | | 41(4.62) | 34(3.65) | | | | More than once a month | 362(44.86) | 369(36.79) | | | 69(7.78) | 74(7.94) | | | | Eating meals | | | | | | | | | | ≤2 meals per day | 107(13.26) | 151(15.05) | 1.687 | 0.430 | 119(13.42) | 148(15.88) | 2.586 | 0.275 | | 3 meals per day | 686(85.01) | 839(83.65) | | | 752(84.78) | 771(82.73) | | | | ≥4 meals per day | 14(1.73) | 13(1.3) | | | 16(1.8) | 13(1.39) | | | | Taking activities | | | | | | | | | | No | 412(51.05) | 537(53.54) | 1.108 | 0.292 | 448(50.51) | 496(53.22) | 1.339 | 0.247 | | Yes | 395(48.95) | 466(46.46) | | | 439(49.49) | 436(46.78) | | | | Ever been in major accidental injury | | | | | | | | | | No | 723(89.59) | 886(88.33) | 0.715 | 0.398 | 825(93.01) | 865(92.81) | 0.027 | 0.869 | | Yes | 84(10.41) | 117(11.67) | | | 62(6.99) | 67(7.19) | | | | Having regular physical exercises | | | | | | | | | | No physical exercise | 509(63.07) | 630(62.81) | 3.842 | 0.146 | 530(59.75) | 627(67.27) | 11.203 | 0.004 | | Less than regular physical exercises | 148(18.34) | 157(15.65) | | | 181(20.41) | 151(16.2) | | | | Regular physical exercises | 150(18.59) | 216(21.54) | | | 176(19.84) | 154(16.52) | | | | History of CVD | | | | | | | | | | No | 712(88.23) | 841(83.85) | 6.902 | 0.009 | 741(83.54) | 762(81.76) | 0.977 | 0.323 | | Yes | 95(11.77) | 162(16.15) | | | 146(16.46) | 170(18.24) | | | | History of liver diseases | | | | | | | | | | No | 769(95.29) | 969(96.61) | 2.154 | 0.142 | 858(96.73) | 896(96.14) | 0.450 | 0.503 | | Yes | 38(4.71) | 34(3.39) | | | 29(3.27) | 36(3.86) | | | | Antilipidemic medication | | | | | | | | | | No | 759(94.05) | 968(96.51) | 6.177 | 0.013 | 811(91.43) | 880(94.42) | 6.206 | 0.013 | | Yes | 48(5.95) | 35(3.49) | | | 76(8.57) | 52(5.58) | | | | Anti-diabetic medication | | | | | | | | | | No | 769(95.29) | 964(96.11) | 0.739 | 0.390 | 838(94.48) | 890(95.49) | 0.911 | 0.320 | | Yes | 38(4.71) | 39(3.89) | | | 49(5.52) | 42(4.51) | | | | Anti-hypertensive therapy | | | | | | | | | | No | 755(93.56) | 940(93.72) | 0.002 | 0.888 | 823(92.78) | 872(93.56) | 0.433 | 0.511 | | Yes | 52(6.44) | 63(6.28) | | | 64(7.22) | 60(6.44) | | | | Fasting plasma glucose(mg/dl) | 113.22±40.77 | 109.94±34.06 | 1.864 | 0.062 | 112.89±44.91 | 113.09±38.18 | -0.104 | 0.917 | | LDL Cholesterol (mg/dl) | 113.49±35.56 | 111.15±31.42 | 1.489 | 0.137 | 123.2±36.32 | 125.00±37.35 | -1.041 | 0.298 | | HDL Cholesterol (mg/dl) | 50.53±15.8 | 52.53±16.25 | 2.633 | 0.009 | 51.62±14.61 | 52.5±15.33 | -1.252 | 0.211 | | eGFR(ml/min/1.73m2) | 81.50±14.52 | 69.24±15.88 | 16.964 | <0.001 | 82.21±14.6 | 69.97±15.68 | 17.211 | <0.001 | | Serum uric acid(mg/dl) | 4.97±1.28 | 5.14±1.35 | -2.682 | 0.007 | 4.08±1.13 | 4.26±1.19 | -3.350 | 0.001 | | Systolic blood pressure(mmHg) | 132±21.28 | 136.32±26.41 | -3.748 | <0.001 | 134.43±25.74 | 143.46±29.58 | -6.885 | <0.001 | | Diastolic blood pressure(mmHg) | 77.38±12.52 | 74.33±12.96 | 5.036 | <0.001 | 76.83±12.3 | 75.95±11.98 | 1.534 | 0.252 | | Body mass index(kg/m2) | 23.06±3.61 | 21.88±3.70 | 6.853 | <0.001 | 23.78±3.86 | 22.90±4.51 | 4.428 | <0.001 | | Triglycerides (mg/dl) | 121.17±99.74 | 106.04±67.08 | 3.843 | <0.001 | 142.91±90.84 | 137.51±97.13 | 1.223 | 0.222 |
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