Table 1.
Baseline potassium intake by characteristics
| Dietary Potassium (mg) | |||
|---|---|---|---|
|
| |||
| N | Mean (95% CI) | p value* | |
|
| |||
| Whole Cohort | 90137 | 2611 (2605 – 2618) | |
|
| |||
| Age | |||
| 50 – 59 | 28675 | 2589 (2578 – 2600) | <0.001 |
| 60 – 69 | 39739 | 2625 (2615 – 2634) | |
| 70–79+ | 21723 | 2616 (2603 – 2629) | |
|
| |||
| Ethnicity | |||
| White | 75842 | 2684 (2678 – 2691) | <0.001 |
| Black | 6848 | 2145 (2122 – 2168) | |
| Hispanic | 3301 | 2274 (2240 – 2309) | |
| Other | 3909 | 2304 (2274 – 2335) | |
|
| |||
| Education | |||
| 0–8 years or Some High School | 4353 | 2199 (2170 – 2228) | <0.001 |
| High School diploma - Some college | 47004 | 2519 (2511 – 2528) | |
| College graduate or Post-graduate | 38061 | 2772 (2763 – 2782) | |
|
| |||
| Income | |||
| < $20000 | 12897 | 2428 (2411 – 2446) | <0.001 |
| $20000 – $49999 | 36353 | 2609 (2599 – 2619) | |
| ≥ $50000 | 34334 | 2692 (2682 – 2702) | |
| Don’t know | 2608 | 2506 (2467 – 2545) | |
|
| |||
| Marital Status | |||
| Never | 4232 | 2655 (2624 – 2685) | <0.001 |
| Divorced or separated | 13991 | 2537 (2520 – 2553) | |
| Widowed | 15410 | 2560 (2544 – 2576) | |
| Presently married | 54619 | 2642 (2634 – 2650) | |
| Marriage like relationship | 1459 | 2591 (2542 – 2639) | |
|
| |||
| Smoking History | |||
| Current | 5441 | 2362 (2337 – 2387) | <0.001 |
| Past | 38194 | 2646 (2637 – 2656) | |
| Never | 45239 | 2613 (2603 – 2622) | |
|
| |||
| Alcohol Intake | |||
| None/Non-drinker | 9809 | 2429 (2409 – 2449) | <0.001 |
| Past Drinker | 16455 | 2527 (2511 – 2542) | |
| <1 drink per month | 10347 | 2537 (2519 – 2556) | |
| <1 drink per week | 18105 | 2608 (2594 – 2622) | |
| 1 – <7 drinks per week | 23371 | 2709 (2697 – 2721) | |
| 7+ drinks per week | 11474 | 2769 (2752 – 2785) | |
|
| |||
| Recreational Physical Activity | |||
| No activity | 11904 | 2341 (2324 – 2358) | <0.001 |
| Some activity of limited duration | 34071 | 2534 (2524 – 2545) | |
| 2 – < 4 episodes/wk | 16603 | 2679 (2665 – 2693) | |
| 4 episodes/wk | 26559 | 2791 (2779 – 2802) | |
|
| |||
| Hormone Use | |||
| Current | 43123 | 2630 (2621 – 2639) | <0.001 |
| Past | 18663 | 2604 (2590 – 2618) | |
| Never | 26732 | 2582 (2570 – 2594) | |
|
| |||
| Weight status, Body Mass Index (BMI, kg/m2) | |||
| Underweight (<18.5) | 1066 | 2550 (2491 – 2608) | 0.039 |
| Normal (18.5 – 24.9) | 35638 | 2616 (2606 – 2626) | |
| Overweight (25.0 – 29.9) | 30348 | 2606 (2596 – 2617) | |
| Obesity I (30.0 – 34.9) | 13859 | 2602 (2586 – 2619) | |
| Obesity II (35.0 – 39.9) | 5120 | 2628 (2600 – 2656) | |
| Extreme Obesity III (>= 40.0) | 3058 | 2610 (2574 – 2646) | |
|
| |||
| Systolic Blood Pressure | |||
| ≤120 | 36057 | 2633 (2623 – 2643) | <0.001 |
| 120–140 | 35947 | 2607 (2597 – 2617) | |
| >140 | 18011 | 2576 (2561 – 2590) | |
|
| |||
| Diastolic Blood Pressure | |||
| <90 | 84347 | 2616 (2610 – 2623) | <0.001 |
| ≥90 | 5649 | 2538 (2512 – 2564) | |
|
| |||
| Hypertension (if self-reported treatment or BP ≥140/90) | |||
| Yes | 34277 | 2573 (2563 – 2583) | <0.001 |
| No | 54635 | 2637 (2629 – 2645) | |
|
| |||
| High Cholesterol (requiring pills ever) | |||
| Yes | 12991 | 2574 (2557 – 2590) | <0.001 |
| No | 75171 | 2620 (2613 – 2627) | |
|
| |||
| Aspirin Use (Any) | |||
| Yes | 31768 | 2679 (2668 – 2689) | <0.001 |
| No | 58369 | 2575 (2567 – 2582) | |
|
| |||
| History of Diabetes | |||
| Yes | 4855 | 2558 (2529 – 2587) | <0.001 |
| No | 85205 | 2614 (2608 – 2621) | |
|
| |||
| History of MI | |||
| Yes | 2020 | 2534 (2490 – 2577) | <0.001 |
| No | 88056 | 2613 (2607 – 2619) | |
|
| |||
| History of Atrial Fibrillation | |||
| Yes | 4089 | 2624 (2594 – 2655) | 0.821 |
| No | 84603 | 2613 (2606 – 2619) | |
|
| |||
| History of CABG/PTCA | |||
| Yes | 1602 | 2535 (2486 – 2583) | <0.001 |
| No | 87121 | 2615 (2608 – 2621) | |
|
| |||
| History of CHD | |||
| Yes | 2871 | 2547 (2511 – 2584) | <0.001 |
| No | 85863 | 2616 (2609 – 2622) | |
*
p values were obtained from chi-square tests or analyses of variance across the various categories of each covariate.