Table 2.
Life’s Simple 7 Characteristics of Study Participants at Visit 3 by Premature Atrial Contractions Frequency Categories: The Atherosclerosis Risk in Communities Study.
| Total Sample (n=1924) | Minimal PAC, <0.1% (n=407) | Occasional PAC, ≥0.1% - 5% (n=1419) | Frequent PAC, >5% (n=98) | p-value | |
|---|---|---|---|---|---|
| LS7 composite score | |||||
| Inadequate (0–4), N (%) | 52 (2.7) | 15 (3.7) | 35 (2.5) | 2 (2) | 0.07 |
| Average (5–9), N (%) | 1141 (59.3) | 230 (56.5) | 841 (59.3) | 70 (71.4) | |
| Optimum (10–14), N (%) | 731 (38.0) | 162 (39.8) | 543 (38.3) | 26 (26.5) | |
| Individual LS7 risk factors | |||||
| Physical activity | |||||
| Poor, N (%) | 626 (32.6) | 132 (32.4) | 455 (32.1) | 39 (39.8) | 0.53 |
| Intermediate, N (%) | 468 (24.3) | 94 (23.1) | 351 (24.7) | 23 (23.5) | |
| Ideal, N (%) | 830 (43.1) | 181 (44.5) | 613 (43.2) | 36 (36.7) | |
| Total cholesterol | |||||
| Poor, N (%) | 270 (14.0) | 62 (15.2) | 193 (13.6) | 15 (15.3) | 0.48 |
| Intermediate, N (%) | 760 (39.5) | 165 (40.5) | 551 (38.8) | 44 (44.9) | |
| Ideal, N (%) | 894 (46.5) | 180 (44.2) | 675 (47.6) | 39 (39.8) | |
| Blood pressure | |||||
| Poor, N (%) | 203 (10.6) | 39 (9.6) | 149 (10.5) | 15 (15.3) | 0.37 |
| Intermediate, N (%) | 755 (39.2) | 161 (39.6) | 552 (38.9) | 42 (42.9) | |
| Ideal, N (%) | 966 (50.2) | 207 (50.9) | 718 (50.6) | 41 (41.8) | |
| Body mass index | |||||
| Poor, N (%) | 507 (26.3) | 95 (23.3) | 387 (27.3) | 25 (25.5) | 0.14 |
| Intermediate, N (%) | 829 (43.1) | 173 (42.5) | 606 (42.7) | 50 (51.0) | |
| Ideal, N (%) | 588 (30.6) | 139 (34.2) | 426 (30.0) | 23 (23.5) | |
| Fasting blood glucose | |||||
| Poor, N (%) | 122 (6.3) | 29 (7.1) | 81 (5.7) | 12 (12.2) | 0.10 |
| Intermediate, N (%) | 659 (34.3) | 132 (32.4) | 496 (35.0) | 31 (31.6) | |
| Ideal, N (%) | 1143 (59.4) | 246 (60.4) | 842 (59.3) | 55 (56.1) | |
| Smoking status | |||||
| Poor, N (%) | 234 (12.2) | 64 (15.7) | 156 (11.0) | 14 (14.3) | 0.06 |
| Intermediate, N (%) | 23 (1.2) | 2 (0.5) | 20 (1.4) | 1 (1.0) | |
| Ideal, N (%) | 1667 (86.6) | 341 (83.8) | 1243 (87.6) | 83 (84.7) | |
| Diet | |||||
| Poor, N (%) | 803 (41.7) | 157 (38.6) | 598 (42.1) | 48 (49.0) | 0.14 |
| Intermediate, N (%) | 1081 (56.2) | 245 (60.2) | 787 (55.5) | 49 (50.0) | |
| Ideal, N (%) | 40 (2.1) | 5 (1.2) | 34 (2.4) | 1 (1.0) |
PAC – Premature atrial contractions, LS7 – Life’s Simple 7.
Percentages are column percentages.
Baseline at ARIC Visit 3 (1993–95) and PAC burden measured at Visit 6 (2016–17)