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
From: Incidence of and risk factors for Motor Neurone Disease in UK women: a prospective study
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) |