Table 2

Relative risk of MND according to categories of BMI: Main analysis including all data and lagged analysis, excluding the first three years of follow-up
Main analysis Excluding the first 3 years of follow-up
BMI at recruitment Kg/m2 Number Woman-year Adjusted Relative risk * Number Woman-year Adjusted Relative risk *
cases 1000 s (95% CI) cases 1000 s (95% CI)
Underweight <20.0 32 431 1.14 (0.79-1.65) 26 286 1.14 (0.76-1.71)
Normal 20.0 to <25.0 318 4930 1.00 (0.89-1.12) 262 3296 1.00 (0.88-1.13)
Overweight 25.0 – < 30.0 245 4134 0.87 (0.74-1.03) 183 2757 0.80 (0.66-0.96)
Obese class I 30.0 - < 35.0 81 1462 0.82 (0.64-1.04) 68 972 0.84 (0.64-1.10)
Obese Class II & III 35.0 + 28 594 0.73 (0.49-1.07) 19 393 0.61 (0.38-0.97)

*Adjusted for region, deprivation, year of birth, use of hormone replacement therapy, smoking and alcohol use. ** 0.01 < p < 0.05.

Doyle et al.

Doyle et al. BMC Neurology 2012 12:25   doi:10.1186/1471-2377-12-25

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