Table 4.
Generalised estimating equation (GEE) model analysis of haematological parameters [Basophils, Eosinophils, Lymphocytes, Monocytes, Neutrophils, and white blood cell (WBC)]: between and within group comparison.
| Parameter (x108/liter) |
Comparison | Hour | Difference | 95% CI | Probability | |
|---|---|---|---|---|---|---|
| Lower Limit | Upper Limit | |||||
| Basophils | Blacks vs Nonblacks | 8 | −0.07 | −0.12 | −0.02 | 0.0038 |
| 9 | −0.05 | −0.07 | −0.03 | <0.0001 | ||
| 10 | −0.06 | −0.08 | −0.04 | <0.0001 | ||
| 11 | −0.06 | −0.08 | −0.03 | <0.0001 | ||
| 12 | −0.07 | −0.09 | −0.05 | <0.0001 | ||
| 13 | −0.04 | −0.06 | −0.02 | 0.0009 | ||
| 14 | −0.07 | −0.08 | −0.05 | <0.0001 | ||
| 15 | −0.07 | −0.08 | −0.05 | <0.0001 | ||
| 16 | −0.05 | −0.07 | −0.03 | <0.0001 | ||
| 17 | −0.05 | −0.07 | −0.03 | <0.0001 | ||
| 18 | −0.04 | −0.08 | −0.01 | 0.0127 | ||
| All time points | −0.06 | −0.07 | −0.04 | <0.0001 | ||
| Morning vs Evening | Blacks | −0.02 | −0.04 | 0.01 | 0.1352 | |
| Nonblacks | −0.01 | −0.01 | 0.00 | 0.2083 | ||
| All | −0.01 | −0.02 | 0.00 | 0.0611 | ||
| Eosinophils | Blacks vs Nonblacks | 8 | −0.44 | −1.17 | 0.30 | 0.2430 |
| 9 | −0.20 | −0.42 | 0.02 | 0.0793 | ||
| 10 | −0.19 | −0.38 | 0.01 | 0.0584 | ||
| 11 | 0.11 | −0.28 | 0.49 | 0.5957 | ||
| 12 | −0.29 | −0.51 | −0.07 | 0.0110 | ||
| 13 | −0.16 | −0.37 | 0.05 | 0.1378 | ||
| 14 | −0.04 | −0.24 | 0.16 | 0.7168 | ||
| 15 | −0.14 | −0.31 | 0.03 | 0.1119 | ||
| 16 | −0.10 | −0.27 | 0.06 | 0.2220 | ||
| 17 | 0.05 | −0.30 | 0.40 | 0.7815 | ||
| 18 | −0.30 | −0.55 | −0.05 | 0.0176 | ||
| All time points | −0.15 | −0.27 | −0.04 | 0.0097 | ||
| Morning vs Evening | Blacks | 0.09 | −0.29 | 0.48 | 0.6289 | |
| Nonblacks | 0.25 | 0.17 | 0.33 | <0.0001 | ||
| All | 0.17 | −0.02 | 0.36 | 0.0806 | ||
| Lymphocytes | Blacks vs Nonblacks | 8 | 1.56 | 0.10 | 3.02 | 0.0367 |
| 9 | 0.85 | −0.05 | 1.74 | 0.0629 | ||
| 10 | 0.04 | −0.65 | 0.72 | 0.9207 | ||
| 11 | 1.18 | 0.38 | 1.98 | 0.0040 | ||
| 12 | 0.48 | −0.20 | 1.15 | 0.1667 | ||
| 13 | 0.05 | −0.58 | 0.69 | 0.8741 | ||
| 14 | −0.01 | −0.65 | 0.64 | 0.9809 | ||
| 15 | 0.29 | −0.41 | 0.98 | 0.4203 | ||
| 16 | 0.06 | −0.61 | 0.73 | 0.8576 | ||
| 17 | 0.60 | −0.25 | 1.44 | 0.1658 | ||
| 18 | 0.80 | −0.43 | 2.03 | 0.2021 | ||
| All time points | 0.53 | 0.14 | 0.93 | 0.0082 | ||
| Morning vs Evening | Blacks | −2.17 | −2.92 | −1.41 | <0.0001 | |
| Nonblacks | −2.49 | −2.82 | −2.16 | <0.0001 | ||
| All | −2.33 | −2.74 | −1.91 | <0.0001 | ||
| Monocytes | Blacks vs Nonblacks | 8 | −0.85 | −1.23 | −0.46 | <0.0001 |
| 9 | −0.70 | −1.00 | −0.41 | <0.0001 | ||
| 10 | −0.91 | −1.11 | −0.70 | <0.0001 | ||
| 11 | −0.73 | −0.95 | −0.51 | <0.0001 | ||
| 12 | −0.74 | −0.95 | −0.54 | <0.0001 | ||
| 13 | −0.87 | −1.06 | −0.67 | <0.0001 | ||
| 14 | −0.92 | −1.10 | −0.75 | <0.0001 | ||
| 15 | −1.03 | −1.22 | −0.84 | <0.0001 | ||
| 16 | −0.98 | −1.15 | −0.81 | <0.0001 | ||
| 17 | −0.79 | −1.06 | −0.52 | <0.0001 | ||
| 18 | −0.97 | −1.30 | −0.65 | <0.0001 | ||
| All time points | −0.86 | −0.97 | −0.75 | <0.0001 | ||
| Morning vs evening | Blacks | −0.30 | −0.51 | −0.08 | 0.0083 | |
| Nonblacks | −0.39 | −0.48 | −0.30 | <0.0001 | ||
| All | −0.34 | −0.46 | −0.22 | <0.0001 | ||
| Neutrophils (x109/liter) | Blacks vs Nonblacks | 8 | −1.05 | −1.37 | −0.72 | <0.0001 |
| 9 | −1.07 | −1.23 | −0.91 | <0.0001 | ||
| 10 | −1.16 | −1.32 | −1.00 | <0.0001 | ||
| 11 | −1.13 | −1.29 | −0.97 | <0.0001 | ||
| 12 | −1.19 | −1.35 | −1.03 | <0.0001 | ||
| 13 | −1.16 | −1.32 | −0.99 | <0.0001 | ||
| 14 | −1.44 | −1.62 | −1.26 | <0.0001 | ||
| 15 | −1.46 | −1.62 | −1.29 | <0.0001 | ||
| 16 | −1.61 | −1.76 | −1.47 | <0.0001 | ||
| 17 | −1.52 | −1.71 | −1.34 | <0.0001 | ||
| 18 | −1.43 | −1.69 | −1.16 | <0.0001 | ||
| All time points | −1.29 | −1.38 | −1.21 | <0.0001 | ||
| Morning vs evening | Blacks | −0.65 | −0.80 | −0.50 | <0.0001 | |
| Nonblacks | −1.08 | −1.16 | −0.99 | <0.0001 | ||
| All | −0.86 | −0.95 | −0.78 | <0.0001 | ||
| White Blood Cells (x109/liter) | Blacks vs Nonblacks | 8 | −1.05 | −1.43 | −0.67 | <0.0001 |
| 9 | −1.11 | −1.30 | −0.91 | <0.0001 | ||
| 10 | −1.29 | −1.48 | −1.10 | <0.0001 | ||
| 11 | −1.08 | −1.29 | −0.87 | <0.0001 | ||
| 12 | −1.26 | −1.46 | −1.07 | <0.0001 | ||
| 13 | −1.27 | −1.46 | −1.07 | <0.0001 | ||
| 14 | −1.52 | −1.73 | −1.32 | <0.0001 | ||
| 15 | −1.56 | −1.76 | −1.36 | <0.0001 | ||
| 16 | −1.73 | −1.91 | −1.55 | <0.0001 | ||
| 17 | −1.54 | −1.76 | −1.32 | <0.0001 | ||
| 18 | −1.48 | −1.78 | −1.17 | <0.0001 | ||
| All time points | −1.35 | −1.46 | −1.25 | <0.0001 | ||
| Morning vs evening | Blacks | −0.91 | −1.08 | −0.73 | <0.0001 | |
| Nonblacks | −1.34 | −1.43 | −1.24 | <0.0001 | ||
| All | −1.12 | −1.22 | −1.02 | <0.0001 | ||