Table 2.
Weighted mean (95% CI) value of biological variables and odds ratio of metabolic syndrome for each decile across physical activity intensity, NHANES 2003–2006– decile 1 to 5
| Variable | Adjusted mean/odds ratio (95% CI) for light physical activity
†
adjusted mean/odds ratio (95% CI) for moderate-to-vigorous physical activity † |
||||
|---|---|---|---|---|---|
| decile 1 | decile 2 | decile 3 | decile 4 | decile 5 | |
| Metabolic syndrome | |||||
| Odds ratio (95% CI) for having metabolic syndrome (n = 2,405) ‡ | Reference | 0.89 (0.62–1.27) 1.37 (0.69–2.71) |
1.02 (0.63–1.67) 1.47 (0.88–2.43) |
1.10 (0.64–1.89) 1.24 (0.69–2.23) |
1.02 (0.56–1.86) 1.13 (0.63–2.02) |
|
| |||||
| Biologically related variables | |||||
| Systolic blood pressure, mm Hg (n = 5,305) | 125.5 (124.4–126.5) | 125.6 (124.6–126.5) | 125.7 (124.8–126.5) | 125.8 (125.0–126.6) | 125.9 (125.2–126.9) |
| 127.1 (125.7–128.5) | 126.9 (125.7–128.1) | 126.6 (125.6–127.6) | 126.3 (125.5–127.2) | 126.1 (125.3–126.9) | |
| Diastolic blood pressure, mm Hg (n = 5,305) | 69.6 (68.7–70.6) | 69.8 (69.0–70.6) | 70.0 (69.3–70.7) | 70.2 (69.6–70.8) | 70.4 (69.9–71.0) |
| 69.6 (68.6–70.6) | 69.8 (69.0–70.6) | 70.0 (69.3–70.7) | 70.2 (69.6–70.8) | 70.4 (69.9–71.0) | |
| CRP, mg/dl (n = 5,366) | 0.47 (0.42–0.53) | 0.46 (0.42–0.50) | 0.45 (0.41–0.48) | 0.43 (0.41–0.46) | 0.42 (0.40–0.45) |
| 0.55 (0.48–0.63) | 0.52 (0.46–0.58) | 0.49 (0.44–0.54) | 0.46 (0.42–0.50) | 0.43 (0.40–0.46) | |
| HDL, mg/dl (n = 5,358) | 52.1 (51.2–53.03) | 52.5 (51.7–53.3) | 52.9 (52.2–53.6) | 53.3 (52.7–53.9) | 53.7 (53.1–54.3) |
| 51.0 (49.8–52.2) | 51.6 (50.7–52.6) | 52.3 (51.5–53.1) | 52.9 (52.3–53.6) | 53.6 (53.0–54.1) | |
| Total cholesterol, mmol/l (n = 5,359) | 5.16 (5.08–5.25) | 5.18 (5.11–5.24) | 5.19 (5.13–5.24) | 5.20 (5.15–5.25) | 5.21 (5.17–5.25) |
| 5.15 (5.07–5.23) | 5.17 (5.10–5.24) | 5.18 (5.13–5.24) | 5.20 (5.15–5.24) | 5.21 (5.17–5.25) | |
| Triglycerides, mg/dl (n = 2,527) | 171.7 (156.2–187.5) | 167.2 (153.7–180.7) | 162.5 (151.0–174.0) | 157.8 (148.2–167.5) | 153.2 (145.1–161.2) |
| 170.4 (148.3–192.6) | 166.2 (147.5–184.8) | 161.9 (146.7–177.1) | 157.7 (145.7–169.6) | 153.4 (144.4–162.4) | |
| Glucose, mg/dl (n = 2,538) | 105.8 (103.9–107.8) | 105.8 (103.9–107.6) | 105.7 (104.0–107.5) | 105.7 (104.0–107.4) | 105.7 (104.0–107.3) |
| 106.5 (104.1–109.0) | 106.3 (104.2–108.5) | 106.1 (104.2–108.0) | 105.9 (104.2–107.7) | 105.8 (104.1–107.4) | |
| Waist circumference, cm (n = 5,411) | 99.6 (99.1–100.1) | 99.4 (99.0–99.8) | 99.1 (98.8–99.5) | 98.9 (98.6–99.2) | 98.7 (98.4–98.9) |
| 100.0 (99.6–100.4) | 99.7 (99.3–100.0) | 99.3 (99.1–99.6) | 99.0 (98.8–99.3) | 98.7 (98.5–99.0) | |
| Mean triceps skinfold, mm (n = 4,926) | 20.8 (20.4–21.2) | 20.7 (20.4–21.1) | 20.6 (20.3–20.9) | 20.5 (20.2–20.7) | 20.3 (20.1–20.6) |
| 21.2 (20.8–21.6) | 21.0 (20.7–21.4) | 20.8 (20.5–21.1) | 20.6 (20.3–20.9) | 20.4 (20.1–20.6) | |
| Mean subscapularis skinfold, mm (n = 4,318) | 21.7 (21.3–22.2) | 21.7 (21.3–22.2) | 21.8 (21.4–22.1) | 21.8 (21.4–22.1) | 21.8 (21.4–22.1) |
| 22.2 (21.8–22.6) | 22.1 (21.7–22.5) | 22.0 (21.7–22.4) | 21.9 (21.6–22.3) | 21.8 (21.5–22.2) | |
| Mean BMI, kg/m2 (n = 5,538) | 28.8 (28.3–29.3) | 28.7 (28.3–29.2) | 28.6 (28.3–29.0) | 28.5 (28.2–28.9) | 28.4 (28.1–28.8) |
| 31.0 (30.4–31.6) | 30.4 (29.9–30.9) | 29.8 (29.4–30.3) | 29.3 (28.9–29.7) | 28.7 (28.4–29.0) | |
†
Adjusted for age, BMI, gender, history of chronic disease (i.e., stroke or coronary heart disease), race-ethnicity, socioeconomic status, and smoking.
‡
Logistic regression adjusted for age, gender, history of chronic disease (i.e., stroke or coronary heart disease), race-ethnicity, socioeconomic status, and smoking.