Table 3.

Associations Between Papillary Thyroid Cancer and Duration of Employment by Occupation

Occupation (SOC code)	Papillary			<10 years		≥10 years
	ca/co	OR(95% CI)	P	ca/co	OR(95% CI)	ca/co	OR(95% CI)	P for trend
General and Operations Managers (11–1021)	10/8	2.04(0.76–5.45)	0.154	3/4	1.12(0.24–5.34)	7/2	6.60(1.28–33.96)	0.021
Financial Managers (11–3031)	7/7	1.99(0.66–6.00)	0.222	3/0	—	4/7	1.24(0.35–4.45)	0.878
Education, Training, and Library Occupations (25)	54/84	0.80(0.52–1.22)	0.297	36/37	1.19(0.70–2.02)	17/41	0.56(0.29–1.05)	0.070
Healthcare Practitioners and Technical Occupations (29)	50/38	1.76(1.10–2.81)	0.019	24/21	1.25(0.66–2.34)	26/17	2.52(1.30–4.89)	0.012
Health Diagnosing and Treating Practitioners (29–1000)	36/26	1.96(1.13–3.42)	0.017	14/14	1.17(0.53–2.57)	22/12	3.07(1.44–6.55)	0.010
Registered Nurses (29–1141)	21/13	2.21(1.04–4.67)	0.039	10/8	1.51(0.57–4.01)	11/5	3.59(1.13–11.44)	0.083
Cooks and Food Preparation Workers (35–2000)	7/3	3.81(0.90–16.11)	0.069	7/1	10.91(1.26–94.32)	0/1	—	0.298
Building and Grounds Cleaning and Maintenance Occupations (37)	18/12	2.10(0.95–4.64)	0.067	9/8	1.50(0.54–4.18)	9/4	3.35(0.96–11.74)	0.179
Building Cleaning and Pest Control Workers (37–2000)	17/9	2.44(1.03–5.79)	0.044	9/7	1.70(0.59–4.94)	8/2	4.72(0.97–22.96)	0.126
Janitors and Cleaners, Except Maids and Housekeeping Cleaners (37–2011)	7/3	4.09(0.95–17.52)	0.058	5/3	3.34(0.72–15.52)	2/0	—	0.097
Retail Sales Workers (41–2000)	19/19	1.29(0.64–2.62)	0.474	14/15	1.00(0.45–2.23)	5/3	4.12(0.88–19.34)	0.074
Retail Salespersons (41–2031)	11/9	2.82(1.06–7.49)	0.037	7/7	2.00(0.63–6.38)	4/1	13.72(1.40–134.39)	0.028
Information and Record Clerks (43–4000)	19/19	1.63(0.79–3.36)	0.185	10/3	1.70(0.73–3.94)	4/1	1.96(0.45–8.61)	0.185
Customer Service Representatives (43–4051)	14/4	3.03(0.96–9.56)	0.058	9/2	2.75(0.73–10.39)	5/2	3.91(0.42–36.49)	0.168

^*Adjusted for age, gender, race, education, BMI, family history of thyroid cancer, smoking status, alcohol consumption Bolded values significant at α=0.05