Research Article
Association and Interaction Analysis of Body Mass Index and Triglycerides Level with Blood Pressure in Elderly Individuals in China
Table 2
Various characteristics of participants categorized by BMI in female (N=1819).
| | Variables | BMI≤18.5
(n=188) | BMI18.5-24 (n=892) | BMI 24-28 (n=529) | BMI>28
(n=210) | t/χ2 | P |
| | Age (years) | 71.41±7.07 | 68.77±6.99 | 67.64±6.32 | 67.34±6.25 | 17.169 | <0.001 | | Education | | | | | | | | Illiterate | 133(70.74) | 530(59.42) | 269(50.85) | 111(52.86) | 35.807 | <0.001 | | Less than elementary school | 55(29.26) | 342(38.34) | 236(44.61) | 97(46.19) | | | | High school | 0(0.00) | 6(0.67) | 9(1.70) | 0(0.00) | | | | Above vocational school | 0(0.00) | 14(1.57) | 15(2.84) | 2(0.95) | | | | Marital status | | | | | | | | Single | 72(38.30) | 291(32.62) | 131(24.76) | 49(23.33) | 20.478 | <0.001 | | Married | 116(61.70) | 601(67.38) | 398(75.24) | 161(76.67) | | | | Current residence | | | | | | | | Rural | 150(79.79) | 588(65.92) | 309(58.41) | 107(50.95) | 43.911 | <0.001 | | Urban | 38(20.21) | 304(34.08) | 220(41.59) | 103(49.05) | | | | Smoke | | | | | | | | NO | 151(80.32) | 783(87.78) | 479(90.55) | 190(90.48) | 20.377 | <0.001 | | Former smoke | 6(3.19) | 30(3.36) | 15(2.84) | 8(3.81) | | | | Current smoke | 31(16.49) | 79(8.86) | 35(6.62) | 12(5.71) | | | | Drinking | | | | | | | | NO | 164(87.23) | 781(87.56) | 462(87.33) | 194(92.38) | 7.632 | 0.266 | | Less than once a month | 10(5.32) | 32(3.59) | 27(5.10) | 6(2.86) | | | | More than once a month | 14(7.45) | 79(8.86) | 40(7.56) | 10(4.76) | | | | Eating meals | | | | | | | | ≤2 meals per day | 48(25.53) | 143(16.03) | 58(10.96) | 18(8.57) | 32.785 | <0.001 | | 3 meals per day | 139(73.94) | 732(82.06) | 463(87.52) | 189(90.00) | | | | ≥4 meals per day | 1(0.53) | 17(1.91) | 8(1.51) | 3(1.43) | | | | Taking activities | | | | | | | | No | 113(60.11) | 490(54.93) | 241(45.56) | 100(47.62) | 19.191 | <0.001 | | Yes | 75(39.89) | 402(45.07) | 288(54.44) | 110(52.38) | | | | Ever been in major accidental injury | | | | | | | | No | 173(92.02) | 830(93.05) | 490(92.63) | 197(93.81) | 0.573 | 0.903 | | Yes | 15(7.98) | 62(6.95) | 39(7.37) | 13(6.19) | | | | Having regular physical exercises | | | | | | | | No physical exercise | 134(71.28) | 569(63.79) | 322(60.87) | 132(62.86) | 9.032 | 0.172 | | Less than regular physical exercises | 25(13.30) | 172(19.28) | 99(18.71) | 36(17.14) | | | | Regular physical exercises | 29(15.43) | 151(16.93) | 108(20.42) | 42(20.00) | | | | History of CVD | | | | | | | | No | 160(85.11) | 757(84.87) | 428(80.91) | 158(75.24) | 13.931 | 0.003 | | Yes | 28(14.89) | 135(15.13) | 101(19.09) | 52(24.76) | | | | History of liver diseases | | | | | | | | No | 183(97.34) | 864(96.86) | 504(95.27) | 203(96.67) | 3.289 | 0.349 | | Yes | 5(2.66) | 28(3.14) | 25(4.73) | 7(3.33) | | | | Antilipidemic medication | | | | | | | | No | 185(98.40) | 854(95.74) | 474(89.60) | 178(84.76) | 49.744 | <0.001 | | Yes | 3(1.60) | 38(4.26) | 55(10.40) | 32(15.24) | | | | Anti-diabetic medication | | | | | | | | No | 187(99.47) | 863(96.75) | 490(92.63) | 188(89.52) | 33.154 | <0.001 | | Yes | 1(0.53) | 29(3.25) | 39(7.37) | 22(10.48) | | | | Anti-hypertensive therapy | | | | | | | | No | 171(90.96) | 838(93.95) | 495(93.57) | 191(90.95) | 33.154 | <0.001 | | Yes | 17(9.04) | 54(6.05) | 34(6.43) | 19(9.05) | | | | Fasting plasma glucose (mg/dl) | 105.18±22.29 | 110.63±40.95 | 118.34±48.98 | 116.55±35.01 | 6.659 | <0.001 | | LDL Cholesterol (mg/dl) | 115.41±33.67 | 122.84±34.65 | 127.66±38.90 | 128.45±41.61 | 6.511 | <0.001 | | HDL Cholesterol (mg/dl) | 60.31±16.04 | 54.55±15.13 | 47.67±13.02 | 45.26±11.70 | 62.326 | <0.001 | | eGFR (ml/min/1.73m2) | 72.49±16.54 | 75.97±16.10 | 77.40±15.8 | 75.16±18.06 | 4.396 | 0.004 | | Serum uric acid (mg/dl) | 3.83±1.14 | 4.06±1.12 | 4.30±1.14 | 4.62±1.22 | 21.304 | <0.001 | | Systolic blood pressure (mmHg) | 133.66±24.74 | 136.74±23.69 | 141.83±30.53 | 146.33±38.15 | 19.704 | <0.001 | | Diastolic blood pressure (mmHg) | 73.00±12.26 | 75.01±11.77 | 78.61±12.06 | 79.54±12.23 | 10.742 | <0.001 | | Body mass index (kg/m2) | 17.13±1.42 | 21.43±1.50 | 25.73±1.15 | 30.90±4.33 | 2202.200 | <0.001 | | Triglycerides (mg/dl) | 103.17±50.81 | 128.46±82.33 | 158.53±100.30 | 176.54±128.24 | 33.113 | <0.001 |
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