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Table 4 Baseline physical activity measures (numbers and percentages unless otherwise specified) across sub-group of recruited children and by stratification factors

From: Trial baseline characteristics of a cluster randomised controlled trial of a school-located obesity prevention programme; the Healthy Lifestyles Programme (HeLP) trial

  All children Cohort 1 Cohort 2 Girls Boys One year 5 class More than one year 5 class FSM cat 1
(<19%)
FSM Cat2
(≥19%)
Mean (sd) [range] Physical Activity - Sedentary (6 am to 10 pm) (minutes) (n = 830)
779.3 (35.1)
[671.0–893.9]
(n = 421)
781.3 (34.8)
[671.0–859.0]
(n = 409)
777.2 (35.3)
[680.6–893.9]
(n = 434)
784.2 (33.0)
[692.8–893.9]
(n = 396)
773.9 (36.6)
[671.0–865.6]
(n = 492)
780.3 (35.5)
[671.0–865.6]
(n = 338)
777.8 (34.5)
[683.4–893.9]
(n = 471)
778.1 (34.7)
[680.6–893.9]
(n = 359)
780.8 (35.6)
[671.0–865.6]
Mean (sd) [range] of Physical Activity - Light (minutes) (n = 830)
130.3 (24.4)
[58.0–211.4]
(n = 421)
128.9 (23.9)
[75.6–206.6]
(n = 409)
131.6 (24.9)
[58.0–211.4]
(n = 434)
130.9 (23.8)
[58.0–211.4]
(n = 396)
129.6 (25.1)
[69.5–199.8]
(n = 492)
129.0 (24.0)
[69.5–211.4]
(n = 338)
132.1 (24.9)
[58.0–206.6]
(n = 471)
130.7 (24.1)
[58.0–211.4]
(n = 359)
129.7 (24.9)
[74.0–206.6]
Mean (sd) [range] of Physical Activity - Moderate (minutes) (n = 830)
40.2 (11.7)
[9.9–85.9]
(n = 421)
39.5 (11.7)
[13.7–85.9]
(n = 409)
41.0 (11.7)
[9.9–81.4]
(n = 434)
37.4 (10.4)
[9.9–72.2]
(n = 396)
43.3 (12.4)
[15.0–85.9]
(n = 492)
40.3 (12.1)
[15.0–80.3]
(n = 338)
40.2 (11.3)
[9.9–85.9]
(n = 471)
40.5 (11.8)
[9.9–85.9]
(n = 359)
39.9 (11.7)
[15.0–80.3]
Mean (sd) [range] of Physical Activity - Vigorous (minutes) (n = 830)
13.4 (6.2)
[2.0–51.1]
(n = 421)
13.5 (6.6)
[2.1–51.1]
(n = 409)
13.3 (5.7)
[2.0–37.6]
(n = 434)
10.8 (4.4)
[2.0–34.1]
(n = 396)
16.3 (6.5)
[2.8–51.1]
(n = 492)
13.5 (6.3)
[2.4–51.1]
(n = 338)
13.3 (6.0)
[2.0–38.4]
(n = 471)
13.6 (6.0)
[2.0–38.4]
(n = 359)
13.2 (6.3)
[2.1–51.1]
Mean (sd) [range] of Physical Activity - MVPA (minutes) (n = 830)
53.6 (16.5)
[11.9–124.8]
(n = 421)
53.0 (17.1)
[20.0–124.8]
(n = 409)
54.3 (15.9)
[11.9–106.3]
(n = 434)
48.2 (13.7)
[11.9–92.1]
(n = 396)
59.9 (17.3)
[20.0–124.8]
(n = 492)
53.7 (17.0)
[20.0–124.8]
(n = 338)
53.5 (15.9)
[11.9–124.3]
(n = 471)
54.1 (16.4)
[11.9–124.3]
(n = 359)
53.0 (16.6)
[20.9–124.8]
Mean (sd) [range] of mg valuea (n = 830)
49.3 (11.1)
[18.3–105.4]
(n = 421)
49.0 (11.5)
[27.4–105.4]
(n = 409)
49.6 (10.7)
[18.3–85.8]
(n = 434)
45.4 (8.8)
[18.3–76.7]
(n = 396)
53.6 (11.8)
[24.8–105.4]
(n = 492)
49.2 (11.4)
[24.8–105.4]
(n = 338)
49.4 (10.8)
[18.3–91.8]
(n = 471)
49.7 (11.0)
[18.3–91.8]
(n = 359)
48.8 (11.3)
[24.8–105.4]
  1. aGeneActiv measures the acceleration of movement at the wrist and provides the output as raw acceleration (milli-g, i.e. multiples of 0.00981 m/s2). With previous accelerometry monitors, raw acceleration data was converted into counts through a manufacturer-specific algorithm that wasn’t disclosed, preventing comparison between studies. The average acceleration for each child provides a measure of acceleration over the measurement period