Unadjusted odds ratios from single variable analyses for factors that showed significant associations at the 10% level
| Odds ratio | 95% CI | p Value | |
|---|---|---|---|
| Degree of covering by bedding | |||
| Completely uncovered | 1.00 | – | |
| Head uncovered, body partly covered | 0.85 | 0.15 to 4.83 | |
| Head uncovered, body wholly covered | 2.49 | 0.41 to 15.1 | |
| Head partly or wholly covered, body covered | 18.3 | 2.06 to 162 | 0.001 |
| Duration of room heating | |||
| None | 1.00 | – | |
| Until baby was put down | 0.38 | 0.09 to 1.60 | |
| Part of night | 1.21 | 0.35 to 4.19 | |
| All of night | 3.62 | 0.92 to 14.2 | 0.017 |
| Social class | |||
| I/II | 1.00 | – | |
| IIINM/IIIM | 1.91 | 0.55 to 6.64 | |
| IV/V | 4.39 | 1.23 to 15.69 | 0.053 |
| Total insulation (togs) | |||
| <5 | 1.00 | – | |
| 5–9.9 | 6.17 | 0.79 to 48.1 | |
| >10 | 4.93 | 0.53 to 45.9 | 0.085 |
CI, confidence interval; NM, non-manual; M, manual.