Thermal insulation and heat transfer characteristics of the bedding and clothing of infants
| Study group | Bed-sharing geometric mean (range) n = 39 | Cot-sleeping geometric mean (range) n = 39 | Ratio of the mean* (95% CI) | p |
|---|---|---|---|---|
| *Adjusted for season and infant age. | ||||
| †×10 for tog equivalent. | ||||
| ‡Data missing from one infant. | ||||
| Bedding | ||||
| Effective thickness (mm) | 58.89 (42.53–135.93) | 24.71 (4.0–93.0)‡ | 2.35 (1.76 to 3.14) | <0.001 |
| “Dry” thermal insulation† (m2K/W) | 1.02 (0.76–1.97) | 0.76 (0.34–1.55)‡ | 1.33 (1.13 to 1.56) | <0.001 |
| Clothing | ||||
| Effective thickness (mm) | 20.80 (10.23–28.70) | 21.70 (17.7–24.9) | 0.95 (0.89 to 1.02) | 0.14 |
| “Dry” thermal insulation† (m2K/W) | 0.54 (0.26–0.71) | 0.56 (0.45–0.63) | 0.95 (0.89 to 1.02) | 0.15 |