Data collection | Median date | Usual care (n=44) | Thermal clothing (n=47) |
Clothing diary | 5 July | 28 (64%) | 29 (62%) |
Temperature loggers | 6 July | 32 (73%) | 40 (85%) |
Midwinter bloods | 8 July | 31 (70%) | 31 (66%) |
Midwinter phone call | 13 July | 43 (98%) | 43 (91%) |
End of winter bloods | 26 September | 31 (70%) | 31 (66%) |
End of winter phone call | 26 September | 39 (89%) | 43 (91%) |
All participants completed baseline.