Table 3.

Hazard ratios (95% CI) of incidental detection on thyroid cancer and competing mortality in different strata. Models did not converge in the strata of ever smokers, history of thyroid diseases, and late stage due to small sample sizes.

	Thyroid cancer mortality	Competing mortality
Age, years
<55	0.16 (0.03, 0.79)	0.56 (0.14, 2.27)
≥55	0.07 (0.01, 0.56)	0.30 (0.11, 0.82)
Sex
Men	0.07 (0.01, 0.54)	0.31 (0.07, 1.35)
Women	0.24 (0.05, 1.24)	0.63 (0.22, 1.82)
Employment
Employed	0.19 (0.04, 0.95)	1.22 (0.29, 5.03)
Unemployed	0.10 (0.01, 0.78)	0.29 (0.09, 0.94)
Smoking status
Never smoker	0.09 (0.02, 0.40)	0.43 (0.18, 1.02)
Ever smoker	–	–
Thyroid diseases
No	0.14 (0.04, 0.49)	0.44 (0.18, 1.05)
Yes	–	–
BMI, kg/m2
<25	0.13 (0.01, 1.13)	0.52 (0.15, 1.79)
≥25a	–	0.24 (0.04, 1.44)
Staging
I	0.13 (0.03, 0.61)	0.61(0.16, 2.30)
II–IV	0.14 (0.02, 1.20)	0.76 (0.23, 2.52)

^aOverweight.

BMI, body mass index.