Recreations of infant death scenes (facedown position except where otherwise indicated) with the mechanical model
| Items under doll during test* | Max % CO2 |
|---|---|
| Comforter/blanket/quilted sheet | 28.7 (1.2) |
| Pillow/comforter/sheet | 26.6 (0.2) |
| Sleeping bag/comforter/bassinet pad | 26.4 (2.8) |
| Pillow/comforter | 25.7 (3.2) |
| Comforter | 22.9 (4.2) |
| Comforter/sheet/mattress/bassinet pad | 20.1 (6.7) |
| Comforter/comforter/couch cushion | 17.3 (3.7) |
| Pillow, adult size | 16.7 (5.2) |
| Sheepskin, natural fibre, 3.8 cm nap† | 16.6 (5.1) |
| Comforter/sheepskin, natural fibre, 5 cm nap | 15.4 (3.5) |
| Blanket/comforter/mattress | 14.9 (0.8) |
| Pillow, adult size | 14.7 (1.8) |
| Sheet/quilted sheet | 14.3 (1.7) |
| Comforter | 13.8 (2.8) |
| Blanket/comforter/sheet | 13.7 (3.1) |
| Blanket/bassinet pad/bassinet | 12.8 (3.0) |
| Quilt | 12.6 (1.7) |
| Comforter | 12.2 (4.8) |
| Comforter (adult, down filled) | 11.6 (1.2) |
| Comforter | 11.1 (4.0) |
| Sheet/mattress | 10.8 (1.6) |
| Comforter | 10.5 (0.5) |
| Comforter/pillow | 10.5 (2.0) |
| Comforter/mattress | 10.3 (4.0) |
| Comforter/comforter/comforter/sheet/sheet‡ | 9.1 (0.6) |
| Quilt/mattress | 9.1 (2.0) |
| Cloth diaper/changing pad | 8.0 (0.8) |
| Quilt/mattress | 6.3 (0.5) |
| Sheet/quilted sheet/mattress | 4.5 (0.2) |
Maximum % CO2 (mean (SEM)) values shown for each set of bedding items. *Unless stated otherwise, all comforters, pillows, and the sleeping bag are infant sized, polyester fibre filled. Mattresses, bassinet pads, and the changing pad are all waterproof (enclosed in a plastic covering). †Face turned to the side (about 45°). ‡Face turned to the side (about 90°), but overlain by a decorative type pillow.