Risk Factors for Anaplastic Thyroid Cancer

Table 1

Sociodemographic characteristics, blood group type, and habits of examinees.

	Cases		Controls		𝑃^∗
	𝑁	%	𝑁	%
Total	126	100.0	252	100.0
Gender
Males	49	38.9	98	38.9	Matched
Females	77	61.1	154	61.1
Age
<40	1	0.8	2	0.8	Matched
41–50	10	8.0	16	6.4
51–60	30	24.0	40	16.0
61–70	65	51.2	150	60.0
71–80	19	15.2	42	16.0
80+	1	0.8	2	0.8
Place of abode
Rural	38	30.2	76	30.2	Matched
Urban	88	69.8	176	69.8
Education
No education	38	30.2	62	24.6	0.0124
Primary school	66	52.4	111	44.0
Secondary school	17	13.5	59	23.4
High education	5	4.0	20	7.9
Occupation
Housewife	38	30.2	80	31.7	0.3948
Farmer	18	14.3	19	7.5
Blue collar worker	12	9.5	17	6.7
White collar worker	8	6.3	31	12.3
Pensioner	48	38.1	93	36.9
Professional	2	1.6	12	4.8
Marital status
Unmarried	4	3.2	2	0.8	0.2222
Married	99	78.6	213	84.5
Divorced	0	0	7	2.8
Widow	23	18.3	30	12.0
Blood group type
O+	52	41.3	114	45.2	0.0066
A+	54	42.9	120	47.6
B+	14	10.3	11	4.4
AB+	7	5.6	7	2.8
Smoking status
Smoker	43	34.1	98	38.9	0.3671
Nonsmoker	83	65.9	154	61.1
Former smoker
Yes	5	7.1	15	9.7	0.5111
No	78	92.9	139	90.3
Alcohol
Yes	3	2.4	2	0.8	0.2254
No	123	97.6	250	99.2
Coffee
Yes	110	87.3	222	88.1	0.8240
No	16	12.7	30	11.9

∗Univariate logistic regression analysis.