Table 2 Descriptive Statistics of Physical Activity, Sedentary Behavior and Contextual Variables
Variables | Whole sample (n = 73) | Sub-sample with GPS- estimated outdoor/indoor time (n = 66) |
|---|---|---|
Accelerometry/GPS data validity | ||
Accelerometer wear time, min/day (SD) | 702 (66) | 702 (67) |
Valid days of accelerometer wear (SD) | 6.5 (1.3) | 6.4 (1.2) |
Accelerometer/GPS valid data, min/day (SD) | 644 (85) | 647 (86) |
Valid days of accelerometer/GPS data (SD) | 6.4 (1.2) | 6.4 (1.2) |
Physical activity variables | ||
Sedentary, min/day (SD) | 371 (70) | 371 (69) |
MVPA, min/day (SD) | 84 (40) | 86 (41) |
Counts per 30 seconds (SD) | 313 (119) | 320 (123) |
% time sedentarya | 53 (8) | 53 (8) |
% time in in MVPAa | 12 (5) | 12 (5) |
Contextual variables | ||
% time spent outdoors/indoors/in vehicle (SD)b | ||
Outdoors | - | 35 (20) |
Indoors | - | 59 (22) |
In vehicle | - | 6 (5) |
Whole sample (n = 73) | In those visiting a location [n]c | |
% time at specific locations (SD)b | ||
No fixed location (in transit/trips) | 12 (7) | 12 (7) [73] |
Home | 57 (22) | 57 (22) [73] |
Other locations in apartment complex | 2 (5) | 4 (7) [29] |
Other residential home | 7 (12) | 9 (13) [58] |
Child-care/school/daycare | 14 (14) | 22 (15) [45] |
30 (10) [28]d | ||
Park/playground | 1 (2) | 4 (5) [13] |
Other (any business/service) without outdoor play area | 5 (5) | 5 (5) [71] |
Other (any business/service) with outdoor play area | 1 (5) | 3 (7) [39] |
Outside Houston | 1 (3) | 8 (9) [7] |