Table 3. Relative risks for spontaneous abortion and menstrual aberration of microelectronics workers compared to three different control groups, based on aggregated data from 2008–2012.

Outcome	Age	Comparison	Relative risk (95% CI)
Spontaneous abortion (SA)	20~29	vs. dependent of employment-based NHI	1.57(1.43-1.78)
		vs. holders of employment-based NHI	1.4(1.25-1.56)
		vs. bank workers	1.37(1.1-1.7)
	30~39	vs. dependents of employment-based NHI	1.58(1.36-1.84)
		vs. holders of employment-based NHI	1.67(1.44-1.95)
		vs. bank workers	1.13(0.9-1.43)
Menstrual aberration (MA)	20~29	vs. dependent of employment-based NHI	1.54(1.52-1.57)
		vs. holders of employment-based NHI	1.38(1.4-1.41)
		vs. bank workers	1.48(1.43-1.55)
	30~39	vs. dependent of employment-based NHI	1.25(1.2-1.3)
		vs. holders of employment-based NHI	1.35(1.3-1.41)
		vs. bank workers	1.23(1.16-1.29)