TABLE 3.
Baseline characteristics by fitness categories in women.
| Non-exercise estimated cardiorespiratory fitness tertiles |
|||||
|---|---|---|---|---|---|
| All | T1 (lower) | T2 (middle) | T3 (upper) | Plinear Trend | |
| Characteristic | (N=1110) | (N=368) | (N=3739) | (N=369) | |
|
| |||||
| Age (yr) | 42.9 (9.0) | 42.9 (9.7) | 43.2 (9.0) | 42.5 (8.4) | 0.53 |
| Body mass index | 22.2 (2.8) | 24.4 (3.3) | 21.7 (1.7) | 20.4 (1.2) | <0.0001 |
| Waist circumference (cm) | 70.4 (7.5) | 75.4 (8.7) | 69.4 (5.7) | 66.4 (4.4) | <0.0001 |
| Resting heart rate | 62 (9) | 68 (9) | 62 (7) | 55 (6) | <0.0001 |
| Total cholesterol (mmol/L) | 5.0 (1.4) | 5.1 (1.0) | 5.1 (2.1) | 4.9 (0.8) | 0.23 |
| Triglycerides (mmol/L) | 1.0 (1.6) | 1.1 (0.7) | 1.0 (2.6) | 0.8 (0.3) | 0.06 |
| Systolic blood pressure (mmHg) | 105 (9) | 106 (9) | 106 (9) | 104 (9) | <0.0001 |
| Diastolic blood pressure (mmHg) | 70 (6) | 71 (6) | 70 (6) | 69 (6) | 0.001 |
| Fasting blood glucose (mmol/L) | 5.6 (1.5) | 5.2 (0.5) | 6.5 (2.6) | 5.1 (0.8) | 0.38 |
| Estimated cardiorespiratory fitness (METs) | 10.7 (0.8) | 9.9 (0.7) | 10.8 (0.4) | 11.4 (0.4) | <0.0001 |
| Current smoker (%) | 7.6 | 13.3 | 6.2 | 3.3 | <0.0001 |
| Heavy alcohol drinker* (%) | 9.5 | 10.1 | 9.7 | 8.7 | 0.80 |
| Physically active† (%) | 84.5 | 63.0 | 91.2 | 99.2 | <0.0001 |
| Hypercholesterolemia‡ (%) | 8.7 | 12.2 | 7.8 | 6.2 | 0.01 |
| Diabetes mellitus§ (%) | 2.2 | 1.6 | 3.2 | 1.6 | 0.23 |
| Parental history of hypertension (%) | 21.9 | 24.5 | 23.9 | 17.3 | 0.03 |
Data are presented as % or mean (SD).
*
Heavy alcohol drinker was defined as drinks per week >14 in male or >7 in female. One drink of alcohol is defined as 12 oz (3.41 dL) of beer, 5 oz (1.421 dL) of wine, or 1.5 oz (0.4262 dL) of hard liquor.
†
Physically active was defined as have leisure-time physical activity during the past three months.
‡
Hypercholesterolemia was defined as a physician diagnosis or total cholesterol ≥6.2 mmol/L.
§
Diabetes mellitus was defined as a physician diagnosis, insulin use, or fasting glucose ≥7 mmol/L.