Environmental and Life-Style Related Risk Factors for Sinonasal and Nasopharyngeal Malignancies among a Prospective Cohort in Jos, Nigeria

Table 1

Sociodemographic characteristics of study population (n=44) by tumor sites.

Age group (yrs)	NPC	Sinonasal				Total
		MA	NC	NM	NE
0-9	0	0	0	0	0	0
10-19	1	0	1	1	0	3
20-29	6	2	0	0	1	9
30-39	3	0	1	0	0	4
40-49	3	1	1	1	0	6
50-59	4	3	0	2	0	9
60-69	5	2	0	1	0	8
70-79	2	0	0	1	1	4
80-89	0	0	0	1	0	1
Total	24	8	3	7	2	44
Occupation
Farmer	9	3	0	2	0	14
Housemaker	5	2	0	1	0	8
Retiree	0	0	0	1	0	1
Student	4	1	1	1	0	7
Trader	2	1	2	2	1	8
Carpenter	0	1	0	0	0	1
Civil servant	2	0	0	0	0	2
Nurse	1	0	0	0	0	1
Unemployed	1	0	0	0	1	2
Total	24	8	3	7	2	44

NPC: nasopharyngeal cancer; MA: maxillary antrum; NC: nasal cavity; NM: nasomaxillary; NE: nasoethmoidal.