Table 4.
Average biomarker characteristics prior to intervention in controlled trials of 34 adult sedentary behaviour interventions ≥7 days with biomarker outcomes
k | n | Weighted mean±pooled SD | Study means (min–max) | Study with lowest mean | Study with highest mean | |
Weight, kg | 29 | 2456 | 71.3±10.6 | 62.2–99.6 | Alkhajah et al 68 | MacEwen et al 40 |
Body mass index, kg/m2 | 34 | 3186 | 25.4±3.2 | 22.1–35.9 | Alkhajah et al 68 | Schuna et al 56 |
Waist circumference, cm | 21 | 2630 | 83.9±7.7 | 74.4–111.4 | Butler et al 74 | MacEwen et al 40 |
Body fat, % | 18 | 2050 | 28.1±5.4 | 24.5–45.5 | Dunning et al 75 | Kozey Keadle et al 58 |
Fat mass, kg | 7 | 753 | 25.3±7.7 | 18.4–32.3 | Alkhajah et al 68 | Kallings et al 70 |
Fat-free mass, kg | 8 | 1252 | 40.0±6.7 | 44.1–56.5 | Alkhajah et al 68 | Balducci et al 72 |
Systolic BP, mm Hg | 25 | 2461 | 110.0±10.5 | 109–142 | Dunning et al 75 | Maxwell-Smith et al |
Diastolic BP, mm Hg | 25 | 2457 | 68.4±6.5 | 69–86 | Peterman et al 83 | MacEwen et al 40; Maxwell-Smith et al 40 |
Glucose, mM | 19 | 1975 | 4.7±1.0 | 4.1–7.6 | Peterman et al 83 | Balducci et al 72 |
Insulin, pM | 11 | 1495 | 51.5±44.1 | 37.1–133.0 | Dunning et al 75 | Kozey Keadle et al 58 |
HbA1c, % | 11 | 1308 | 4.4±0.6 | 4.9–7.4 | Kallings et al 70 | Balducci et al 72 |
Total cholesterol, mM | 24 | 2292 | 4.3±0.6 | 4.0–5.5 | Peterman et al 83 | Kallings et al 70 |
HDL cholesterol, mM | 22 | 2232 | 1.2±0.4 | 1.1–1.8 | Peterman et al 83 | Pesola et al 38 |
LDL cholesterol, mM | 21 | 2142 | 2.5±0.8 | 2.5–3.3 | Peterman et al 83 | Kallings et al 70 |
Triglycerides, mM | 23 | 2202 | 1.1±0.5 | 0.9–1.9 | Alkhajah et al 68 | Kozey Keadle et al 58 |
BP, blood pressure; HDL, high-density lipoprotein; k, number of interventions; LDL, low-density lipoprotein; n, number of participants.