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. Author manuscript; available in PMC: 2018 Jul 1.
Published in final edited form as: Am J Prev Med. 2017 Feb 16;53(1):78–84. doi: 10.1016/j.amepre.2017.01.019

Table 1.

Descriptive Characteristics of Summer Day Camps and Demographics of Attending Children

Characteristics/Demographics Summer day camps
N 20
Mean number of children (range) 50 (14–175)
Mean number of staff (range) 9 (3–16)
Camp duration – mean weeks (range) 9.4 (7.5–10.0)
Day duration – mean hours (range) 10.5 (8.8–12.5)
Scheduled PA – mean minutes
(range)
190.3 (0–360)
Wear time – mean minutes (range) 501.3 (8.9–678.9)
Attending children
Total
N
Boys
N
Girls
N

All children (%)a 1,061 (100) 569 (53.6) 492 (46.4)
 Kindergarten 221 (20.8) 118 (20.7) 103 (20.9)
 First grade 220 (20.7) 120 (21.1) 100 (20.3)
 Second grade 209 (19.7) 115 (20.2) 94 (19.1)
 Third grade 147 (13.9) 71 (12.5) 76 (15.5)
 Fourth grade 139 (13.1) 69 (12.1) 70 (14.2)
 Fifth grade 125 (11.8) 76 (13.3) 49 (10.0)
Age – mean years (±SD) 7.8 (1.8) 7.9 (1.8) 7.8 (1.8)
Ethnicity (%)
 African American 693 (65.3) 377 (66.3) 316 (64.2)
 Non-Hispanic white 286 (27.0) 151 (26.5) 135 (27.4)
 Other 82 (7.7) 41 (7.2) 41 (8.3)
BMI (%)
 Underweight 12 (1.1) 7 (1.2) 5 (1.0)
 Normal weight 505 (47.6) 279 (49.0) 226 (45.9)
 Overweight 155 (14.6) 83 (14.6) 72 (14.6)
 Obese 205 (19.3) 95 (16.7) 110 (22.4)
 Missing 184 (17.3) 105 (18.5) 79 (16.1)
Median MVPA minutes (±SD) 89 (38.7) 96 (41.7) 82 (33.3)
Number of children accumulating
≥60 minutes MVPA (%)a
 All 811 (76.4) 455 (80.0) 357 (72.6)
 Kindergarten 162 (73.2) 93 (79.2) 69 (66.7)
 First grade 167 (76.1) 93 (77.1) 75 (75.1)
 Second grade 168 (80.2) 92 (80.0) 76 (80.4)
 Third grade 100 (67.7) 49 (68.4) 51 (67.0)
 Fourth grade 100 (72.0) 58 (84.3) 43 (60.9)
 Fifth grade 87 (69.4) 58 (75.7) 29 (59.0)
a

Grade specified in table relates to the grade children will be entering post-summer.

PA, physical activity; MVPA, moderate-to-vigorous physical activity