Table 1.
Sociodemographic characteristics and MetS components by tertile of daily steps in adults aged 40–70 years, NHANES 2005–2006
| Men | Women | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sedentary (<6802 steps/d; n 313) | Intermediate (6802–10698 steps/d; n 322) | Active (≥10699 steps/d; n 313) | Sedentary (<5785 steps/d; n 324) | Intermediate (5785–9225 steps/d; n 334) | Active (≥9226 steps/d; n 324) | |||||||||
| Characteristic | Mean or % | se | Mean or % | se | Mean or % | se | P value* | Mean or % | se | Mean or % | se | Mean or % | se | P value* |
| Age (years) | 53·2 a | 0·0 | 52·5 b | 0·0 | 51·9 c | 0·0 | <0·01 | 54·2 a | 0·0 | 52·2 b | 0·0 | 51·8 c | 0·0 | <0·01 |
| BMI (kg/m2) | 31·6 a | 0·0 | 29·1 b | 0·0 | 27·8 c | 0·0 | <0·01 | 32·5 a | 0·0 | 30·4 b | 0·0 | 26·5 c | 0·0 | <0·01 |
| WC (cm) | 111·3 a | 0·0 | 103·6 b | 0·0 | 100·3 c | 0·0 | <0·01 | 104·9 a | 0·0 | 98·5 b | 0·0 | 89·2 c | 0·0 | <0·01 |
| HDL-C (mg/dl) | 47·2 a | 0·0 | 47·3 b | 0·0 | 53·1 c | 0·0 | <0·01 | 57·4 a | 0·0 | 58·8 b | 0·0 | 63·8 c | 0·0 | <0·01 |
| TAG (mg/dl) | 179·5 a | 0·0 | 170·6 b | 0·0 | 146·3 c | 0·0 | <0·01 | 185·8 a | 0·0 | 134·4 b | 0·0 | 111·9 c | 0·0 | <0·01 |
| FBG (mg/dl) | 115·4 a | 0·0 | 106·2 b | 0·0 | 104·3 c | 0·0 | <0·01 | 115·6 a | 0·0 | 102·5 b | 0·0 | 99·6 c | 0·0 | <0·01 |
| SBP (mmHg) | 128·3 a | 0·0 | 126·9 b | 0·0 | 124·1 c | 0·0 | <0·01 | 127·8 a | 0·0 | 124·8 b | 0·0 | 123·0 c | 0·0 | <0·01 |
| DBP (mmHg) | 75·3 a | 0·0 | 75·7 b | 0·0 | 73·6 c | 0·0 | <0·01 | 73·5 a | 0·0 | 72·3 b | 0·0 | 73·2 c | 0·0 | <0·01 |
| PIR | 3·2 a | 0·0 | 3·6 b | 0·0 | 3·5 c | 0·0 | <0·01 | 2·9 a | 0·0 | 3·6 b | 0·0 | 3·5 c | 0·0 | <0·01 |
| Ethnicity (%) | ||||||||||||||
| Hispanic/Others | 31·1 | 32·6 | 36·3 | <0·01 | 22·6 | 36·3 | 41·1 | <0·01 | ||||||
| White | 28·3 | 35·3 | 36·3 | 28·3 | 33·7 | 38·0 | ||||||||
| Black | 38·2 | 33·9 | 27·8 | 41·1 | 35·4 | 23·5 | ||||||||
| Education (%) | ||||||||||||||
| <9 years | 36·3 | 38·1 | 25·6 | <0·01 | 27·6 | 37·5 | 34·9 | <0·01 | ||||||
| 9–12 years | 30·7 | 31·4 | 37·8 | 33·4 | 30·8 | 35·8 | ||||||||
| >12 years | 28·4 | 36·5 | 35·1 | 26·5 | 36·1 | 37·4 | ||||||||
MetS, metabolic syndrome; NHANES, National Health and Nutrition Examination Survey; WC, waist circumference; HDL-C, HDL cholesterol; FBG, fasting blood glucose; SBP, systolic blood pressure; DBP, diastolic blood pressure; PIR, poverty income ratio.
a,b,cMean values within a row with unlike superscript letters were significantly different (multiple comparisons between tertiles within each sex by Bonferroni post hoc test; P<0·05).
*P value for difference between tertiles within each sex calculated from ANOVA.