Table 3.

Odds of ALS by 5-year lagged quartile exposures, Denmark, 1982–2013.

		Individually		Mutually Adjusted
	Occupationally Exposed to the Metal (yes/no)	Third Quartile aOR (95% CI)	Fourth Quartile aOR (95% CI)	Third Quartile aOR (95% CI)	Fourth Quartile aOR (95% CI)
Men
Chromium	33,342/68,336	1.24 (1.00, 1.54)	1.01 (0.79, 1.28)	1.24 (0.91, 1.69)	1.19 (0.80, 1.76)
Iron	26,221/75,457	1.21 (0.88, 1.44)	0.92 (0.69, 1.21)	0.96 (0.54, 1.73)	0.89 (0.47, 1.69)
Nickel	28,558/73,120	1.22 (0.97, 1.55)	0.91 (0.70, 1.19)	1.05 (0.62, 1.78)	0.82 (0.45, 1.48)
Women
Chromium	6785/61,370	0.91 (0.54, 1.52)	0.78 (0.45, 1.35)	0.61 (0.29, 1.26)	0.56 (0.21, 1.27)
Iron	4680/63,475	1.24 (0.73, 2.12)	1.05 (0.59, 1.87)	1.05 (0.40, 2.74)	1.85 (0.63, 5.44)
Nickel	5835/62,320	1.73 (1.14, 2.61) *	0.56 (0.28, 1.14)	2.21 (1.14, 4.28) *	0.61 (0.23, 1.64)

All models are adjusted for age, residence at birth, and socioeconomic status. * p < 0.05.