Table 2.
Subgroup analyses by population, location of accelerometer, and intervention role
| Population |
||||||
|---|---|---|---|---|---|---|
| Outcome | Overweight/Obese/ Sedentary |
Older Adults | Healthy Volunteers | Chronic Medical Illnesses | ||
| 4 studies | 4 studies | 2 studies | 2 studies | |||
| Physical activity | SMD 0.35 (95% CI −0.52 to 1.22) |
SMD 0.34 (95% CI −0.11 to 0.80) |
SMD range −0.11 to 0.30 | SMD range 0.00 to 0.80 | ||
| 5 studies | 3 studies | 2 studies | 1 study | |||
| Weight | MD −1.22 kg (95% CI −2.48 to 0.02) |
MD −1.08 kg (95% CI, −5.22 to 3.06) |
MD range −1.63 to −0.50 kg | MD −8.00 kg (95% CI −10.41 to −5.59) |
||
| Location of Accelerometer | ||||||
| Waist | Arm | Wrist | Multisite | |||
| 7 studies | 2 studies | 1 study | 1 study | |||
| Physical activity | SMD 0.24 (95% CI −0.15 to 0.63) |
SMD range −0.15 to 0.60 | SMD 0.56 (95% CI 0.30 to 0.82) |
SMD 0.00 (95% CI −0.80 to 0.80) |
||
| 6 studies | 3 studies | 1 study | No studies | |||
| Weight | MD −2.01 (95% CI −4.99 to 0.97) |
MD −2.08 (95% CI −4.13 to −0.02) |
MD −0.67 (95% CI −1.33 to −0.01) |
|||
| Role of Accelerometer | ||||||
| Major Role | Minor Role | |||||
| Physical activity | SMD 0.26 (95% CI −0.02 to 0.54) |
SMD 0.28 (95% CI −0.43 to 1.00) |
||||
| Weight | MD −1.47 kg (95% CI −3.47 to 0.53) |
MD −1.99 kg (95% CI −4.10 to 0.12) |
||||
Abbreviations: CI=confidence interval; MD=mean difference; SMD=standardized mean difference