First Report of Seropositivity to Trypanosoma cruzi in Mexican Afro-Descendants from Guerrero and Oaxaca States

Table 2

Risk factors in Oaxaca-Guerrero Mexican Afro-descendant population.

Factor	T. cruzi (-)	T. cruzi (+)	Odds ratio	CI (95%)	value
Know the vector (Guerrero)
Yes	25	8	1.36	0.4492–4.1173	0.5864
No	34	8
Know the vector (Oaxaca)
Yes	20	6	0.675	0.1963–2.3216	0.5329
No	18	8
Know the vector (Montecillos)
Yes	7	6	12.86	1.2899–128.1496	0.0295
No	15	1
Have you seen the vector in your community? (Oaxaca)
Yes	15	3	0.4222	0.0969-1.8393	0.2508
No	19	9
Have you seen the vector in your community? (Guerrero)
Yes	17	3	0.5701	0.1440-2.2573	0.4235
No	42	13
Have had blood transfused (Oaxaca)
Yes	3	2	1.7222	0.2252–11.6221	0.5768
No	31	12
Have had blood transfused (Guerrero)
Yes	4	1	0.85	0.0882–8.1923	0.8882
No	51	15
You have dogs at home (Oaxaca)
Yes	28	14	10.6842	0.5840-195.4781	0.1102
No	10	0
You have dogs at home (Guerrero)
Yes	45	13	1.3481	0.3353-5.4198	0.6739
No	14	3
Rustic house (Oaxaca)
Yes	22	6	0.7273	0.1978-2.6740	0.6317
No	16	6
Rustic house (Guerrero)
Yes	30	6	0.58	0.1867-1.8019	0.3463
No	29	10
Born in Guerrero
Yes	55	10	0.3727	0.1577-0.8809	0.0245
No	41	20
Born in Oaxaca
Yes	39	19	2.5245	1.0823-5.8884	0.0321
No	57	11
Has drank raw milk (Oaxaca)
Yes	22	5	0.4545	0.1252-1.6507	0.2308
No	16	8
Has drank raw milk (Guerrero)
Yes	34	8	0.8403	0.2692-2.6230	0.7645
No	25	7
Mother was born in Oaxaca
Yes	24	8	0.6667	0.1346-3.3031	0.6195
No	6	3
Mother was born in Guerrero
Yes	19	9	3.2211	0.9425-11.0085	0.0621
No	34	5
Palpitations
Yes	9	4	1.2889	0.3243-5.1222	0.7185
No	29	10
Chest pain
Yes	16	4	0.5250	0.1389-1.9841	0.3421
No	21	10
Gender female (Oaxaca)
Yes	29	11	1.7069	0.3175-9.1774	0.5333
No	9	2
Gender female (Guerrero)
Yes	41	8	1.1707	0.2779-4.9314	0.8299
No	18	3
Gender male (Oaxaca)
Yes	9	2	0.6591	0.1207-3.6001	0.6303
No	29	11
Gender male (Guerrero)
Yes	18	3	0.8542	0.2028-3.5980	0.8299
No	41	8
Gender male (Montecillos)
Yes	2	4	9.5000	1.2717-70.9666	0.0282
No	19	4
Romaña sign (Oaxaca)
Yes	1	3	11.6667	1.0810-125.9073	0.0429
No	35	9