Journal of Obesity / 2012 / Article / Tab 3 / Research Article
Accuracy of Intensity and Inclinometer Output of Three Activity Monitors for Identification of Sedentary Behavior and Light-Intensity Activity Table 3 Percent time coded as sedentary behavior, light intensity, moderate intensity, and mean coded correctly (±95% CI) for each monitor/threshold and activity.
Stepwatch Correct code Mean coded correct (%) 95% confidence interval % coded sedentary % coded light % coded moderate Lying down Sedentary 99.5 98.6–100.5 99.5 0.5 — Sitting TV Sedentary 89.8 82.9–96.7 89.8 10.2 — Sitting computer Sedentary 95.8 92.7–99.0 95.8 4.2 — Standing Sedentary 99.5 98.6–100.5 99.5 0.5 — Walking (1.0 mph) Light 86.1 76.8–95.4 3.8 88.8 7.4 Pedaling 7.0 mph Light 54.4 35.7–73.1 45.6 54.4 0.0 Pedaling 15.0 mph Light 23.5 8.8–38.3 0.0 39.2 60.8 GT1M100 Lying down Sedentary 99.5 98.6–100.5 99.5 0.5 — Sitting TV Sedentary 96.8 93.8–99.7 96.8 3.2 — Sitting computer Sedentary 97.2 94.7–99.7 97.2 2.8 — Standing Sedentary 100.0 100.0–100.0 100.0 0.0 — Walking (1.0 mph) Light 71.8 59.4–84.1 28.2 71.8 0.0 Pedaling 7.0 mph Light 8.1 −2.5–18.6 92.1 7.9 0.0 Pedaling 15.0 mph Light 15.5 0.8–30.1 88.5 11.5 0.0 GT1M150 Lying down Sedentary 100.0 100.0–100.0 100.0 0.0 — Sitting TV Sedentary 98.2 96.4–100.0 98.2 1.8 — Sitting computer Sedentary 98.6 97.0–100.2 98.6 1.4 — Standing Sedentary 100.0 100.0–100.0 100.0 0.0 — Walking (1.0 mph) Light 61.1 47.7–74.5 39.3 60.7 0.0 Pedaling 7.0 mph Light 6.6 −4.0–17.1 93.9 6.1 0.0 Pedaling 15.0 mph Light 14.7 0.0–29.4 85.3 14.7 0.0 GT3X+100 Lying down Sedentary 96.3 93.0–99.6 96.3 3.7 — Sitting TV Sedentary 80.6 69.7–91.4 80.6 19.4 — Sitting computer Sedentary 82.9 74.7–91.0 82.9 17.1 — Standing Sedentary 88.0 80.6–95.3 88.0 12.0 — Walking (1.0 mph) Light 75.5 64.3–86.6 18.0 75.5 6.5 Pedaling 7.0 mph Light 33.2 18.5–47.9 67.5 32.5 0.0 Pedaling 15.0 mph Light 47.1 26.5–67.6 52.0 47.1 0.9 GT3X+150 Lying down Sedentary 97.7 95.3–100.1 97.7 2.3 — Sitting TV Sedentary 84.3 74.4–94.2 84.3 15.7 — Sitting computer Sedentary 86.1 79.5–92.8 86.1 13.9 — Standing Sedentary 92.1 85.7–98.5 92.1 7.9 — Walking (1.0 mph) Light 74.5 62.5–86.6 19.0 74.5 6.5 Pedaling 7.0 mph Light 23.7 8.9–38.4 76.3 23.7 0.0 Pedaling 15.0 mph Light 43.1 21.7–64.6 55.9 43.1 1.0
