Table 2. Age- and sex-adjusted odds ratios (95% CIs) for the association with atrial fibrillation or flutter in the ELSA-Brasil baseline.
| Atrial fibrillation or flutter | ||||
|---|---|---|---|---|
| Variable | By ECG recording (N=48) | By self-report only (N=285) | All AFF cases (N=333) | |
| Age (one-year increase) | 1.12 [1.09 – 1.16] | 1.04 (1.03 – 1.06) † | 1.05 (1.04 – 1.07) † | |
| Female sex | 0.53 (0.30 – 0.96) † | 1.05 (0.83 – 1.33) | 0.95 (0.76 – 1.18) | |
| Race * | ||||
| White | 1.0 (Reference) | 1.0 (Reference) | 1.0 (Reference) | |
| Mixed | 0.92 (0.45 – 1.85) | 0.95 (0.72 – 1.26) | 0.94 (0.72 – 1.22) | |
| Black | (0.43 – 2.27) | 0.76 (0.52 – 1.10) | 0.79 (0.56 – 1.10) | |
| Level of education | ||||
| Up to incomplete high school | 1.73 (0.87 – 3.43) | 0.79 (0.54 – 1.15) | 0.92 (0.66 – 1.27) | |
| High school | 1.12 (0.55 – 2.28) | 0.86 (0.66 – 1.12) | 0.88 (0.69 – 1.13) | |
| College or above | 1.0 (Reference) | 1.0 (Reference) | 1.0 (Reference) | |
| Monthly income | ||||
| <USD1245 | 1.27 (0.64 – 2.51) | 0.67 (0.48 – 0.93) † | 0.74 (0.55 – 0.99) † | |
| USD1245-3319 | 0.61 (0.29 – 1.25) | 0.80 (0.61 – 1.04) | 0.77 (0.60 – 0.99) † | |
| ≥ USD3320 (N (%)) | 1.0 (Reference) | 1.0 (Reference) | 1.0 (Reference) | |
| Smoking status | ||||
| Never smoked | (Reference) | (Reference) | 1.0 (Reference) | |
| Past smoker | 0.57 (0.29 - 1.12) | 0.98 (0.75 – 1.27) | 0.90 (0.70 – 1.16) | |
| Current smoker | 1.00 (0.42 – 2.40) | 0.93 (0.64 – 1.36) | 0.93 (0.65 – 1.32) | |
| Hypertension | 1.65 (0.89 – 3.03) | 1.41 (1.10 – 1.81) † | 1.44 (1.14 – 1.81) † | |
| Diabetes | 1.11 (0.60 – 2.08) | 1.06 (0.80 – 1.41) | 1.07 (0.82 – 1.39) | |
| Dyslipidemia | 0.66 (0.37 – 1.18) | 1.22 (0.95 – 1.57) | 1.10 (0.87 – 1.39) | |
| Body-mass index classification | ||||
| Normal | 1.0 (Reference) | 1.0 (Reference) | 1.0 (Reference) | |
| Overweight | 1.88 (0.90 – 3.95) | 0.85 (0.64 – 1.12) | 0.94 (0.72 – 1.21) | |
| Obese | 2.21 (0.97 – 5.00) | 1.19 (0.88 – 1.60) | 1.27 (0.96 – 1.68) | |
| Abdominal obesity | 1.15 (0.63 – 2.08) | 1.04 (0.81 – 1.33) | 1.05 (0.83 – 1.32) | |
| Peripheral artery disease | 2.72 (1.13 – 6.54) † | 1.16 (0.64 – 2.10) | 1.44 (0.88 – 2.35) | |
| Coronary artery disease | 1.87 (0.81 – 4.28) | 5.99 (4.44 – 8.09) † | 5.11 (3.85 – 6.79) † | |
| Heart failure | 11.67 (5.58 – 24.40) † | 6.51 (4.19 – 10.11) † | 7.37 (5.00 – 10.87) † | |
| Stroke | 0.90 (0.12 – 6.67) | 1.65 (0.76 – 3.57) | 1.51 (0.73 – 3.13) | |
| Rheumatic fever | 5.75 (2.55 – 12.98) † | 3.02 (1.94 – 4.70) † | 3.38 (2.28 – 5.02) † | |
| 10-year ASCVD risk > 10% | 1.56 (0.63 – 3.85) | 0.78 (0.50 – 1.21) | 0.95 (0.65 – 1.40) | |
*
The small proportion of individuals of other races in the sample precluded estimation. AFF: Atrial fibrillation or flutter. ASCVD: Atherosclerotic cardiovascular disease. Odds ratios and p-values were obtained from logistic regression models adjusted for age and sex.
†
p<0.05.