TABLE 2.
Demographics, body fatness, global cognitive function, and metabolic profiles according to physical fitness levels.
| Low fit (n=108) | Moderate fit (n=217) | High fit (n=108) | P value for linear trend | |
|---|---|---|---|---|
| Sex (M/F) | 31/77 | 65/152 | 38/70 | |
| Age (yrs) | 74.8±6.4 | 71.2±5.6 | 69.7±4.8 | <0.001 |
| Education (yrs) | 7.0±4.2 | 8.0±3.5 | 9.5±3.7 | 0.001 |
| BMI (kg · m−2) | 24.4±3.3 | 24.6±2.7 | 23.7±2.7 | 0.148 |
| Body fat (%) | 31.4±7.2 | 30.9±6.9 | 29.0±5.9 | 0.109 |
| MMSE score | 24.1±3.6 | 26.3±2.6 | 28.4±2.2 | <0.001 |
| SBP (mmHg) | 126.9±15.5 | 125.5±14.0 | 124.2±11.6 | 0.548 |
| DBP (mmHg) | 70.6±10.0 | 71.3±10.8 | 72.8±8.0 | 0.456 |
| TG (mg · dl−1) | 119.3±73.6 | 111.7±75.0 | 116.8±111.7 | 0.488 |
| TC (mg · dl−1) | 141.6±34.5 | 142.7±37.1 | 141.0±39.2 | 0.949 |
| LDLC (mg · dl−1) | 78.2±26.6 | 78.8±28.9 | 72.8±27.7 | 0.362 |
| HDLC (mg · dl−1) | 39.4±11.3 | 41.6±10.6 | 43.5±18.6 | 0.230 |
| FBG (mg · dl−1) | 118.7±27.9 | 115.2±18.4 | 114.4±23.7 | 0.506 |
| Insulin (µU · ml−1) | 7.8±8.5 | 7.9±5.6 | 6.6±4.0 | 0.210 |
| HOMA-IR | 2.37±2.79 | 2.33±1.90 | 1.90±1.28 | 0.305 |
Note: BMI: body mass index; MMSE: mini-mental state examination; SBP: systolic blood pressure; DBP: diastolic blood pressure; TG: triglycerides; TC: total cholesterol; LDLC: low-density lipoprotein cholesterol; HDLC: high-density lipoprotein cholesterol; FBG: fasting blood glucose; HOMA-IR: homeostasis model assessment-estimated insulin resistance. Log10 transformed TG, insulin and HOMA-IR were used for statistical analyses.