Multivariate logistic regression analyses for associations between hypertension, BMI categories and IAB.
| Model 1 | Model 2 | Model 3 | Model 4 | |||||
| OR (95% CI) | P value | OR (95% CI) | P value | OR (95% CI) | P value | OR (95% CI) | P value | |
| Hypertension (Yes/No) | 1.42 (1.19 to 1.68) | <0.001 | 1.32 (1.09 to 1.59) | 0.004 | 1.29 (1.07 to 1.57) | 0.009 | 1.27 (1.04 to 1.54) | 0.018 |
| BMI<24 kg/m2 | 1 | 1 | 1 | 1 | ||||
| 24–28 | 1.76 (1.46 to 2.11) | <0.001 | 1.63 (1.35 to 1.98) | <0.001 | 1.40 (1.15 to 1.72) | 0.001 | 1.42 (1.16 to 1.74) | 0.001 |
| ≥28 | 2.32 (1.88 to 2.87) | <0.001 | 2.04 (1.62 to 2.57) | <0.001 | 1.64 (1.28 to 2.10) | <0.001 | 1.67 (1.30 to 2.14) | <0.001 |
| Age, per 10 years | 1.14 (1.06 to 1.23) | 0.001 | 1.16 (1.07 to 1.27) | <0.001 | 1.14 (1.04 to 1.24) | 0.005 | 1.12 (1.03 to 1.23) | 0.010 |
| Male vs Female | 1.60 (1.37 to 1.87) | <0.001 | 1.56 (1.27 to 1.91) | <0.001 | 1.40 (1.13 to 1.73) | 0.002 | 1.37 (1.11 to 1.69) | 0.004 |
| Diabetes (Yes/No) | – | 0.93 (0.73 to 1.19) | 0.581 | 0.85 (0.66 to 1.10) | 0.221 | 0.85 (0.66 to 1.10) | 0.211 | |
| TC, per mmol/L | – | 1.14 (0.95 to 1.37) | 0.151 | 1.13 (0.94 to 1.36) | 0.181 | 1.12 (0.93 to 1.35) | 0.224 | |
| TG, per mmol/L | – | 0.99 (0.93 to 1.06) | 0.735 | 1.00 (0.93 to 1.07) | 0.886 | 1.00 (0.93 to 1.07) | 0.971 | |
| LDL-C, per mmol/L | – | 0.92 (0.75 to 1.14) | 0.448 | 0.94 (0.76 to 1.16) | 0.561 | 0.96 (0.77 to 1.19) | 0.693 | |
| HDL-C, per mmol/L | – | 0.78 (0.59 to 1.03) | 0.077 | 0.80 (0.60 to 1.07) | 0.126 | 0.81 (0.61 to 1.07) | 0.140 | |
| SUA, per mg/dL | – | 1.02 (0.96 to 1.08) | 0.570 | 1.01 (0.95 to 1.08) | 0.717 | 1.01 (0.95 to 1.07) | 0.817 | |
| Current smoker (yes/no) | – | 0.84 (0.70 to 1.00) | 0.055 | 0.82 (0.68 to 0.99) | 0.039 | 0.81 (0.67 to 0.98) | 0.028 | |
| Current drinker (yes/no) | – | 1.17 (0.94 to 1.44) | 0.153 | 1.16 (0.93 to 1.44) | 0.191 | 1.15 (0.93 to 1.44) | 0.201 | |
| Anti-arrhythmic medication (yes/no) | – | 1.52 (0.73 to 3.16) | 0.266 | 1.23 (0.57 to 2.68) | 0.600 | 1.17 (0.53 to 2.56) | 0.696 | |
| Anti-hypertensive medication (yes/no) | – | 1.24 (1.00 to 1.52) | 0.047 | 1.20 (0.97 to 1.48) | 0.100 | 1.17 (0.94 to 1.45) | 0.158 | |
| Mitral stenosis/regurgitation (yes/no) | – | 1.48 (0.88 to 2.49) | 0.141 | 1.10 (0.64 to 1.89) | 0.723 | 1.04 (0.60 to 1.80) | 0.898 | |
| History of MI (yes/no) | – | 1.09 (0.60 to 2.00) | 0.777 | 1.12 (0.61 to 2.06) | 0.708 | 1.10 (0.60 to 2.02) | 0.752 | |
| History of HF (yes/no) | – | 1.36 (0.68 to 2.72) | 0.386 | 1.29 (0.65 to 2.59) | 0.467 | 1.26 (0.63 to 2.52) | 0.521 | |
| LAD, per cm | – | – | 2.01 (1.62 to 2.49) | <0.001 | 1.86 (1.48 to 2.33) | <0.001 | ||
| LVMI, per 10 g/m2 | – | – | – | 1.05 (1.00 to 1.09) | 0.044 | |||
Model 2: additional variables including diabetes, plasma lipids, SUA, smoking, drinking, education, income, anti-arrhythmic medication, anti-hypertensive medication, mitral stenosis/regurgitation, and history of MI and HF; model 3: additional variable LAD; model 4: additional variable LVMI.; Note, model 1: hypertension, BMI category, age, gender and race in the multivariate regression.
BMI, body mass index; BP, blood pressure; CNY, China Yuan; DBP, diastolic blood pressure; FBG, fasting blood glucose; HDL-C, high-density lipid cholesterol; HF, heart failure; IAB, interatrial block; LAD, left atrial diameter; LAE, left atrial enlargement; LDL-C, low-density lipid cholesterol; LVH, left ventricular hypertrophy; LVMI, left ventricular mass index; MI, myocardial infarction; SBP, systolic blood pressure; SUA, serum uric acid; TC, total cholesterol; TG, triglycerides.