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. 2016 Sep 1;3(4):663–681. doi: 10.3934/publichealth.2016.4.663

Table 2. Descriptive characteristics of the study sample depicted across urban design.

Variables Total Grid Fractured Grid Curvilinear
Sampled Schools 30 6 10 14
Total Sample 331 95 100 136
Boys 166 45 53 68
Girls 165 50 47 68
Age 10 70 16 25 29
Age 11 91 32 22 37
Age 12 85 27 26 32
Age 13 64 13 23 28
Age 14 21 7 4 10
Mean Age
(SD; Min, Max)
11.6
(1.1; 10, 14)
11.6
(1.1; 10, 14)
11.5
(1.2; 10, 14)
11.6
(1.2; 10, 14)
Mean Body Mass Index
(SD; Min, Max)
19.9
(4; 13.4, 35.9)
19.8
(4.2; 14, 35.9)
20.3
(4.2; 13.4, 34.3)
19.7
(3.7; 14.2, 33.8)
Mean Accelerometer Wear-time/Day
(SD; Min, Max)
796.3
(51.1; 653.3, 930.2)
794.0
(53.1; 680.8, 930.2)
797.0
(53.3; 653.3, 915)
797.3
(48.1; 684.5, 910.6)
Mean MVPA/Day
(SD; Min, Max)
71.2
(31.8; 8, 234.5)
72.8
(33.7; 8, 178.1)
67.3
(32.9; 13.3, 234.5)
73.1
(29.4; 16.6, 182.0)
Mean SB/Day
(SD; Min, Max)
540.2
(64.8; 317.4,691.3)
537.8
(68.9; 317.4, 682.6)
546.0
(70.5; 344, 691.3)
537.3
(57.0; 379.7, 663.4)
Mean LPA/Day
(SD; Min, Max)
184.7
(38.9; 92.5, 311.6)
183.3
(39.1; 104.4, 282.5)
183.0
(40.9; 92.5, 311.6)
187.0
(37.4; 98.0, 294.6)

SD: standard deviation; Min: minimum; Max: maximum; MVPA: moderate to vigorous physical activity; SB: sedentary behaviour; LPA: light physical activity. Accelerometer Wear-time, MVPA, SB and LPA values are expressed in minutes.