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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: J Environ Health. 2016 Mar;78(7):8–44.

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