Explanatory models for the use of all three heat stress prevention strategies (ie, training in the heat, planning to use a precooling method and fluid consumption strategy) prior to and during the 2015 IAAF World Championships presented as ORs (95% CI) calculated by simple and multiple logistic regression analyses
| 95% OR | ||
|---|---|---|
| In-championship use of heat stress prevention strategies | ||
| Simple models | Multiple model | |
| Sex | 2.61 (1.12 to 6.06) (p=0.026) | 2.77 (1.14 to 6.68) (p=0.024) |
| Age | NS | |
| Continent (reference: Europe) | p=0.024 | |
| Africa | 0.46 (0.10 to 2.19) (p=0.331) | |
| Asia | 0.28 (0.06 to 1.27) (p=0.099) | |
| Australia | 4.45 (0.94 to 21.03) (p=0.060) | |
| North America | 1.17 (0.41 to 3.35) (p=0.768) | |
| South America | 0.12 (0.02 to 0.93) (p=0.042) | |
| Human Development Index (reference: very high-level countries) Lower developmental levels (very low-level, low-level, high-level countries) | NS | |
| Event category (reference: speed/power events) Endurance events | NS | |
| Prechampionships medical support available | NS | |
| Experience of heat-related symptoms | NS | |
| Previous EHI diagnosis | 8.22 (3.20 to 21.16) (p<0.001) | 8.64 (3.26 to 22.85) (p<0.001) |
CI, confidence interval; EHI, exertional heat illness; IAAF, International Association of Athletics Federations; OR, odds ratio.