1. Introduction
2. Materials and Methods
2.1. Participants and Procedures
2.2. Data Collection and Processing
2.3. Analysis
3. Results
4. Discussion
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Preschool 1 | Preschool 2 | Preschool 3 | Preschool 4 | Preschool 5 | |
---|---|---|---|---|---|
Number of study participants | 6 | 11 | 7 | 12 | 10 |
Average age of participants, years (SD) | 3.9 (0.5) | 5.0 (0.1) | 4.2 (0.6) | 4.3 (0.7) | 4.6 (0.30 |
Participants Sex, N (%) | |||||
Female | 3 (50%) | 5 (45%) | 2 (29%) | 4 (33%) | 2 (20%) |
Male | 3 (50%) | 6 (55%) | 5 (71%) | 8 (67%) | 8 (80%) |
Child:Teacher ratio in preschool classrooms | 7:1 | 9:1 | 9.5 or 6.3:1 | 10:1 | 5:1 |
Average # of days accelerometer worn (SD) | 5.5 (0.5) | 5.2 (1.1) | 4.1 (0.7) | 3.9 (1.2) | 4.6 (0.5) |
Average accelerometer wear, min/day (SD) | 226 (11) | 233 (4) | 310 (19) | 324 (61) | 317 (45) |
Outdoor playground on site? (Y/N) | N | Y | Y | Y | Y |
Indoor play area sufficient for all activities, including running (by director report)? (Y/N) | Y | Y | N | Y | N |
Child discretion allowed in choosing outdoors or indoors? (Y/N) | N | N | N | Y | Y-occasionally |
Preschool Site | Daily Minutes Mean (SD) | Activity Counts/min Mean (SD) | Sedentary % Mean (SD) | Light PA % Mean (SD) | MVPA % Mean (SD) | |||||
---|---|---|---|---|---|---|---|---|---|---|
Indoors | Outdoors | Indoors | Outdoors | Indoors | Outdoors | Indoors | Outdoors | Indoors | Outdoors | |
1 | 198.9 (10.5) | 29.9 (3.3) | 155.9 (39.5) | 262.6 (79.8) | 75.4 (6.4) | 61.0 (10.0) | 12.7 (2.9) | 18.5 (6.2) | 11.9 (3.5) | 20.6 (5.0) |
2 | 189.0 (14.0) | 46.4 (10.3) | 152.6 (31.9) | 367.6 (70.2) | 77.3 (4.8) | 45.3 (8.7) | 11.1 (2.3) | 20.0 (5.0) | 11.5 (2.8) | 34.7 (7.9) |
3 | 196.2 (27.1) | 119.2 (14.3) | 141.0 (37.0) | 396.8 (120.1) | 76.9 (5.1) | 48.8 (8.1) | 12.4 (2.1) | 19.3 (1.4) | 10.7 (3.6) | 32.0 (8.1) |
4 | 259.7 (82.3) | 62.2 (39.9) | 166.0 (42.8) | 361.1 (89.9) | 73.5 (6.6) | 45.4 (11.1) | 13.5 (3.0) | 20.2 (2.5) | 12.9 (3.9) | 34.4 (9.4) |
5 | 204.6 (27.5) | 113.1 (30.5) | 170.3 (41.4) | 311.6 (87.6) | 72.6 (6.9) | 54.9 (10.0) | 14.4 (3.7) | 16.5 (2.4) | 13.0 (3.8) | 28.6 (9.5) |
Overall | 213.2 (52.6) | 73.8 (42.2) | 158.6 (38.4) | 344.5 (94.9) | 75.0 (6.1) | 50.0 (10.9) | 12.9 (3.0) | 19.0 (3.9) | 12.1 (3.5) | 31.0 (9.3) |
Difference indoors vs. outdoors, Mean (95% CI) | 139.4 (116.7, 162.1) * d = 1.8 | −185.9 (−211.2, −160.5) * d = −2.2 | 25.0 (22.0, 28.0) * d = 2.4 | −6.1 (−7.4, −4.8) * d = −1.4 | −18.9 (−21.4, −16.4) * d = −2.3 |
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