Table 2.
Comparison of cardiovascular indicators among physical activity groups at baseline and after 12 years (N = 10,588).
| Group Ia (n = 4032) | Group IIb (n = 2697) | Group IIIc (n = 1919) | Group IVd (n = 1940) | |||
| Cardiovascular indicators | M ± SD or n (%) | F or χ2 | P (Scheffé) | |||
| Systolic blood pressure (mm Hg) | ||||||
| Baseline | 148.22 (14.38) | 147.91 (14.25) | 147.24 (13.81) | 147.31 (14.42) | 3.00 | .029 (c, d < a) |
| <160 | 3137 (77.8) | 2114 (78.4) | 1525 (79.5) | 1558 (80.3) | 5.69 | .128 |
| ≥160 | 894 (22.2) | 583 (21.6) | 394 (20.5) | 382 (19.7) | ||
| After 12 yr | 132.64 (15.76) | 132.84 (14.96) | 132.69 (15.34) | 132.54 (14.61) | 0.17 | .920 |
| <160 | 3741 (92.9) | 2550 (94.5) | 1803 (94.0) | 1850 (95.4) | 17.07 | <.001 |
| ≥160 | 288 (7.1) | 147 (5.5) | 115 (6.0) | 90 (4.6) | ||
| Diastolic blood pressure (mm Hg) | ||||||
| Baseline | 89.97 (9.50) | 89.94 (9.33) | 90.02 (9.18) | 90.41 (9.32) | 1.22 | .301 |
| <100 | 3255 (80.7) | 2158 (80.0) | 1543 (80.4) | 1555 (80.2) | 0.64 | .887 |
| ≥100 | 776 (19.3) | 539 (20.0) | 376 (19.6) | 385 (19.8) | ||
| After 12 yr | 78.25 (10.05) | 78.37 (9.53) | 77.62 (9.92) | 77.49 (9.57) | 4.84 | .002 (d < a, b) |
| <100 | 3870 (96.1) | 2622 (97.2) | 1857 (96.8) | 1890 (97.4) | 10.89 | .012 |
| ≥100 | 159 (3.9) | 75 (2.8) | 61 (3.2) | 50 (2.6) | ||
| Glucose (mg/dL) | ||||||
| Baseline | 101.06 (33.75) | 101.28 (36.23) | 102.79 (33.38) | 102.02 (36.43) | 1.24 | .292 |
| <100 | 2445 (60.8) | 1691 (62.8) | 1120 (58.4) | 1171 (60.5) | 9.00 | .029 |
| ≥100 | 1579 (39.2) | 1003 (37.2) | 797 (41.6) | 765 (39.5) | ||
| After 12 yr | 106.58 (28.18 | 105.84 (26.94) | 107.86 (27.34) | 107.33 (25.79) | 2.41 | .065 |
| <100 | 1960 (48.6) | 1335 (49.5) | 883 (46.0) | 884 (45.6) | 10.37 | .016 |
| ≥100 | 2072 (51.4) | 1362 (50.5) | 1035 (54.0) | 1055 (54.4) | ||
| Body mass index (kg/m2) | ||||||
| Baseline | 24.59 (3.11) | 24.46 (2.96) | 24.77 (2.86) | 24.81 (2.78) | 7.05 | <.001 (b < c, d) |
| <25 | 2283 (56.9) | 1580 (58.7) | 1037 (54.4) | 1058 (54.8) | 11.61 | .009 |
| ≥25 | 1730 (43.1) | 1110 (41.3) | 871 (45.6) | 873 (45.2) | ||
| After 12 yr | 24.05 (3.30) | 23.98 (3.09) | 24.28 (3.04) | 24.30 (2.96) | 6.21 | <.001 (a, b < c, d) |
| <25 | 2543 (63.4) | 1763 (65.7) | 1168 (61.1) | 1172 (60.6) | 16.57 | <.001 |
| ≥25 | 1466 (36.6) | 920 (34.3) | 743 (38.9) | 763 (39.4) | ||
| Total cholesterol (mg/dL) | ||||||
| Baseline | 205.84 (39.64) | 206.40 (40.11) | 206.20 (38.46) | 205.07 (38.33) | 0.47 | .702 |
| <200 | 1870 (46.5) | 1203 (44.6) | 892 (46.5) | 909 (47.0) | 3.42 | .332 |
| ≥200 | 2153 (53.5) | 1493 (55.4) | 1025 (53.5) | 1024 (53.0) | ||
| After 12 yr | 187.69 (39.37) | 187.22 (37.80) | 184.38 (38.99) | 183.13 (36.90) | 8.20 | <.001 (c, d < a, b) |
| <200 | 2601 (64.5) | 1760 (65.3) | 1285 (67.0) | 1356 (70.0) | 19.05 | <.001 |
| 200≤ | 1,431 (35.5) | 937 (34.7) | 633 (33.0) | 582 (30.0) | ||
Group I = Maintaining No Physical Activity Group, Group II = Changing from No Physical Activity to Physical Activity Group, Group III = Changing From Physical Activity to No Physical Activity Group, Group IV = Maintaining Physical Activity Group.