Table 2. Factors associated with IAD of 10 mmHg or greater.
| Exposure variables | Unadjusted analysis | Adjusted analysis | ||
|---|---|---|---|---|
| Odds ratio (95%CI) | P | Odds ratio (95%CI) | P | |
| Age (per 1 year) | 1.01 (1.00–1.03) | 0.05 | 1.00 (0.99–1.02) | 0.63 | 
| Sex (male vs. female) | 0.84 (0.62–1.14) | 0.26 | 0.68 (0.46–1.00) | 0.05 | 
| Smoking status (smoker vs. non-smoker) | 1.02 (0.75–1.38) | 0.91 | 1.1 (0.79–1.70) | 0.45 | 
| Diabetes mellitus (presence vs. absence) | 1.62 (1.19–2.21) | < 0.01 | 1.27 (0.90–1.78) | 0.18 | 
| Hypertension (presence vs. absence) | 2.45 (1.79–3.36) | < 0.01 | 2.10 (1.48–2.99) | < 0.01 | 
| Dyslipidemia (presence vs. absence) | 1.32 (0.93–1.88) | 0.11 | 1.04 (0.73–1.50) | 0.81 | 
| Chronic kidney disease (presence vs. absence) | 1.21 (0.90–1.65) | 0.23 | 0.99 (0.72–1.37) | 0.97 | 
| Body mass index (per 1 kg/m2) | 1.07 (1.04–1.11) | < 0.01 | 1.05 (1.01–1.09) | < 0.01 | 
The adjusted analysis was done with mulitivariable logistic regression analysis which included the eight listed variables.
Abbreviations: IAD, inter-arm blood pressure difference; CI, confidence intervals.