Table 1.
Building characteristics of portable and traditional classrooms among study schools A, B, and C
| Characteristics | School A Portable (n=4) | Traditional (n=1) | School B Portable (n=1) | Traditional (n=1) | School C Portable (n=4) | Traditional (n=1) |
|---|---|---|---|---|---|---|
| Acquisition status | New, ≤3 years before study | Built ≥3 years before study | New, renovated 1 year before study (originally built 15 years before study) | Built ≥3 years before study | New, renovated 1 year before study (originally built 10 years before study) | Built ≥3 years before study |
| Replacement status | --- | No renovation | --- | No renovation | --- | Lighting, floor, and HVAC unit replaced in last 3 years |
| Roof composition | Synthetic rubber | Composite shingle or tar/gravel | Synthetic rubber | Composite shingle or tar/gravel | Synthetic rubber | Composite shingle or tar/gravel |
| Exterior walls composition | Concrete-based, mixed wood/panel board, metal | Masonry | Concrete-based, mixed wood/panel board, metal | Masonry | Concrete-based, mixed wood/panel board, metal | Masonry |
| Interior walls composition | Vinyl-coated or gypsum dry wall | Painted cinderblock | Vinyl-coated or gypsum dry wall | Painted cinderblock | Vinyl-coated or gypsum dry wall | Painted cinderblock |
| Floor composition | Entirely carpeted | Concrete | Entirely carpeted | Entirely carpeted | Entirely carpeted | Concrete |