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Table 4 Values of metabolic health markers across weekdays

From: Weekly variation in markers of cardiometabolic health – the possible effect of weekend behavior – a cross-sectional study

  Monday Tuesday Wednesday Thursday Friday P-value
Insulin (μlU/ml) 7.5 (6.6, 8.3) 7.7 (7.1, 8.4) 6.6 (6.1, 7.2) 6.4 (5.8, 7.0) 6.3 (5.7, 6.8) 0.006
Difference from Monday, absolute (%)   0.3 (3.8%) −0.8 (−11.0%) −1.1 (− 14.3%)* −1.2 (− 16.1%)*  
Glucose (mg/dl) 89.5 (87.7, 91.3) 90.6 (89.2, 92.0) 87.7 (86.4, 88.9) 89.3 (88.0,90.7) 87.2 (85.9,88.4) 0.003
Difference from Monday, absolute (%)   1.1 (1.2%) −1.8 (−2.0%) − 0.1 (− 0.1%) − 2.3 (− 2.6%)*  
Triglyceride (mg/dl) 80.7 (73.8,87.6) 67.1 (61.8, 72.5) 69.9 (65.0, 74.7) 62.5 (57.2, 67.8) 60.7 (55.9, 65.6) < 0.001
Difference from Monday, absolute (%)   −13.5 (− 16.8%)* −10.8 (− 13.4%)* −18.2 (−22.5%)* −20.0 (− 24.7%)*  
HDL-C (mg/dl) 54.9 (51.7,58.1) 54.2 (51.7, 56.6) 54.3 (52.1, 56.6) 58.3 (55.9, 60.8) 56.7 (54.5, 58.9) 0.09
Difference from Monday, absolute (%)   −0.7 (−1.3%) − 0.6 (− 1.0%) 3.4 (6.3%) 1.8 (3.3%)  
LDL-C (mg/dl) 84.0 (78.3,89.6) 86.3 (81.9, 90.6) 90.1 (86.1, 94.0) 86.9 (82.6, 91.2) 88.2 (84.3, 92.2) 0.34
Difference from Monday, absolute (%)   4.2 (5.6%) 6.8 (8.9%) 4.9 (6.4%) 6.8 (8.9%)  
Systolic BP (mmHg) 109.3 (107.6110.9) 106.3 (104.9, 107.7) 107.6 (106.2, 108.9) 107.1 (105.8, 108.5) 107.3 (106.0, 108.6) 0.11
Difference from Monday, absolute (%)   −2.9 (−2.7)* −1.7 (−1.6%) −2.1 (−1.9%)* −1.9 (− 1.8%)*  
Diastolic BP (mmHg) 63.1 (61.6,64.5) 63.3 (62.1, 64.6) 62.7 (61.5, 63.8) 61.7 (60.6, 62.9) 60.9 (61.7, 64.0) 0.45
Difference from Monday, absolute (%)   0.3 (0.4%) −0.4 (−0.7%) −1.3 (−2.1%) −0.2 (− 0.3%)  
  1. P-value: Global differences between the weekdays using a Wald test
  2. Data are predictive margins (95% CIs) with adjustment for age, gender, BMI, Tanner stage, aerobic fitness, socioeconomic status, type of school (intervention or control) and class cluster. *denotes significant difference from Monday as well as overall significant declining trend from Monday to Friday (P ≤ 0.05)