Table 4.
Means (95% confidence intervals) for selected variables with percent time at zero cadence quintiles for male and female 20+ years old from NHANES 2005-2006.
| %TZC Quintilesa |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1st Quintile | 2nd Quintile | 3rd Quintile | 4th Quintile | 5th Quintile | Linear | ||||||
| Men | Meanb (95% CI) | ||||||||||
| nc | 164-345 | 149-345 | 160-345 | 169-345 | 156-345 | ||||||
| Waist circumference, cm | 99.0 | (96.9,101.2) | 99.6 | (96.6,102.6) | 98.0 | (95.6,100.6) | 99.7 | (97.1,102.4) | 102.2 | (100.3,104.2) | 0.0307 |
| Weight, kg | 83.1 | (80.1,86.2) | 84.4 | (80.6,88.3) | 83.1 | (80.2,86.1) | 85.0 | (81.7,88.3) | 87.1 | (84.2,90.2) | 0.0094 |
| BMI, kg/m2 | 27.8 | (27.3,28.4) | 28.3 | (27.2,29.5) | 27.6 | (26.8,28.5) | 28.2 | (27.1,29.3) | 28.6 | (27.8,29.4) | 0.1373 |
| SBP, mm Hg | 125.1 | (123.2,127.0) | 126.4 | (124.7,128.1) | 125.2 | (122.8,127.7) | 124.9 | (123.2,126.6) | 125.1 | (122.8,127.3) | 0.6656 |
| DBP, mm Hg | 71.2 | (69.5,72.9) | 73.5 | (71.2,75.9) | 71.9 | (70.1,73.6) | 71.6 | (69.4,73.7) | 70.4 | (68.6,72.2) | 0.1312 |
| Glucose, mg/dL | 103.8 | (100.0,107.8) | 104.7 | (101.5,108.0) | 104.0 | (100.8,107.3) | 108.6 | (105.0,112.3) | 105.2 | (101.6,109.0) | 0.2013 |
| Insulin, μU/mL | 8.2 | (7.2,9.3) | 9.8 | (8.4,11.5) | 9.2 | (7.8,10.9) | 10.8 | (8.8,13.3) | 12.0 | (10.1,14.1) | 0.0015 |
| HOMA-IRd | 2.1 | (1.8,2.4) | 2.5 | (2.1,3.0) | 2.4 | (2.0,2.8) | 2.9 | (2.3,3.6) | 3.1 | (2.6,3.7) | 0.0010 |
| HDL-cholesterol, mg/dL | 49.4 | (47.1,51.7) | 47.3 | (45.7,48.9) | 47.8 | (45.7,49.9) | 45.3 | (43.7,47.0) | 45.3 | (43.5,47.2) | 0.0070 |
| Triglyceride, mg/dL | 120.7 | (106.1,137.3) | 126.0 | (111.2,142.6) | 144.3 | (123.5,168.6) | 136.9 | (118.2,158.5) | 146.4 | (129.2,165.8) | 0.0183 |
| C-reactive protein, mg/dL | 0.17 | (0.13,0.23) | 0.18 | (0.15,0.21) | 0.17 | (0.14,0.20) | 0.17 | (0.15,0.19) | 0.21 | (0.17,0.25) | 0.3222 |
| Glycohemoglobin, % | 5.62 | (5.53,5.71) | 5.62 | (5.50,5.74) | 5.56 | (5.48,5.65) | 5.60 | (5.51,5.69) | 5.66 | (5.54,5.77) | 0.5733 |
| Women | |||||||||||
| nc | 148-333 | 147-333 | 139-332 | 143-333 | 143-332 | ||||||
| Waist circumference, cm | 94.8 | (92.6,97.1) | 94.8 | (92.6,97.1) | 93.6 | (91.4,95.8) | 94.8 | (92.1,97.6) | 95.8 | (93.5,98.1) | 0.1486 |
| Weight, kg | 73.9 | (71.3,76.6) | 70.6 | (69.0,72.2) | 72.7 | (70.4,75.1) | 73.5 | (70.5,76.7) | 72.9 | (70.0,75.9) | 0.8251 |
| BMI, kg/m2 | 29.0 | (28.1,30.0) | 27.7 | (27.2,28.3) | 28.2 | (27.5,29.0) | 28.7 | (27.5,29.9) | 28.7 | (27.8,29.6) | 0.8028 |
| SBP, mm Hg | 125.7 | (123.5,127.9) | 122.4 | (119.9,125.0) | 121.0 | (119.1,123.0) | 124.9 | (122.4,127.3) | 123.6 | (121.0,126.3) | 0.6253 |
| DBP, mm Hg | 70.9 | (68.9,72.9) | 70.0 | (68.5,71.5) | 69.3 | (67.6,70.9) | 69.8 | (67.9,71.7) | 69.1 | (67.5,70.7) | 0.1356 |
| Glucose, mg/dL | 105.1 | (100.1,110.3) | 104.1 | (99.9,108.4) | 101.0 | (96.5,105.8) | 102.7 | (99.9,105.7) | 105.1 | (101.4,109.1) | 0.8045 |
| Insulin, μU/mL | 7.6 | (6.6,8.7) | 8.6 | (7.1,10.4) | 8.9 | (7.5,10.4) | 9.2 | (8.0,10.7) | 11.7 | (9.9,13.9) | 0.0028 |
| HOMA-IRd | 2.0 | (1.7,2.3) | 2.2 | (1.8,2.7) | 2.2 | (1.9,2.6) | 2.3 | (2.0,2.7) | 3.0 | (2.5,3.6) | 0.0034 |
| HDL-cholesterol, mg/dL | 58.5 | (55.7,61.4) | 57.5 | (55.3,59.7) | 56.7 | (55.1,58.4) | 56.6 | (54.5,58.8) | 54.9 | (53.0,56.9) | 0.0438 |
| Triglyceride, mg/dL | 99.4 | (89.8,110.0) | 108.2 | (97.4,120.2) | 104.3 | (94.9,114.6) | 104.7 | (94.5,116.0) | 128.3 | (112.9,145.9) | 0.0315 |
| C-reactive protein, mg/dL | 0.22 | (0.17,0.29) | 0.21 | (0.16,0.27) | 0.20 | (0.17,0.23) | 0.23 | (0.20,0.27) | 0.28 | (0.25,0.32) | 0.1201 |
| Glycohemoglobin, % | 5.60 | (5.49,5.72) | 5.55 | (5.48,5.63) | 5.56 | (5.50,5.62) | 5.55 | (5.52,5.58) | 5.57 | (5.46.5.68) | 0.5328 |
a
Median % time at zero cadence for male was 17.6, 26.8, 34.1, 40.6 and 51.0 for 1st, 2nd, 3rd, 4th, 5th Quintile respectively. Median % time at zero cadence for females was 19.9, 27.1, 32.9, 39.0 and 47.6 for 1st, 2nd, 3rd, 4th, 5th Quintile respectively
b
Mean: geometric means for all the variables except SBP, DBP were covariate adjusted for age (years) and race
c
n: sample size range
d
HOMA-IR: calculated as fasting insulin {[(μU/mL) × [fasting glucose (mmol/L)]/22.5}