Carboxyhaemoglobin Levels among Traders Exposed to Vehicular Emissions in Three Motor Parks in Ibadan, Nigeria

Table 2

Sociodemographic characteristics of study respondents.

Sociodemographic characteristics	Subgroups	AMP, Ojoo traders	IMP, Iwo road traders	NMP, Apata traders	Nonmotor park traders
Age	18–20	2 (11.8%)	1 (2.2%)	3 (9.7%)	3 (3.2%)
	21–30	1 (5.9%)	10 (22.2%)	7 (22.6%)	16 (17.2%)
	31–40	5 (29.4%)	14 (31.1%)	11 (35.5%)	33 (35.5%)
	41–50	9 (52.9%)	12 (26.7%)	6 (19.4%)	30 (32.3%)
	51–60	-	8 (17.8%)	2 (6.5%)	11 (11.8%)
	61–70	-	-	2 (6.5%)	-
Gender	Male	17 (100%)	35 (77.8%)	21 (67.7%)	23 (24.7%)
	Female	-	10 (22.2%)	10 (32.3%)	70 (75.3%)
Educational status	No education	1 (5.9%)	2 (4.4%)	1 (3.2%)	6 (6.5%)
	Primary education	3 (17.6%)	14 (31.1%)	6 (19.4%)	35 (37.6%)
	Secondary education	10 (58.8%)	19 (42.2%)	12 (38.7%)	44 (47.3%)
	Tertiary education	3 (17.6%)	10 (22.2%)	12 (38.7%)	8 (8.6%)
Marital status	Single	6 (35.3%)	7 (15.6%)	12 (38.7%)	11 (11.8%)
	Married	11 (64.7%)	37 (82.2%)	21 (67.7%)	82 (88.2%)
	Widow/widower	-	1 (2.2%)	-	-
Religion	Christianity	3 (17.6%)	21 (46.7%)	15 (48.4%)	55 (59.1%)
	Islam	14 (82.4%)	24 (53.3%)	13 (41.9%)	38 (40.9%)
	Traditional	-	-	2 (6.4%)	-
	No religion	-	-	1 (3.2%)	-
State of origin	Abia	-	-	1 (3.2%)	1 (1.1%)
	Benue	-	1 (2.2%)	-	-
	Cross Rivers	-	1 (2.2%)	-	-
	Delta	-	1 (2.2%)	-	1 (1.1%)
	Edo	1 (5.9%)	-	-	3 (3.2%)
	Ekiti	-	-	2 (6.5%)	4 (4.3%)
	Kogi	-	-	-	1 (1.1%)
	Kwara	1 (5.9%)	1 (2.2%)	1 (3.2%)	-
	Lagos	-	1 (2.2%)	-	-
	Ogun	-	3 (6.7%)	8 (25.8%)	15 (16.1%)
	Ondo	-	2 (4.4%)	-	7 (7.5%)
	Osun	4 (23.5%)	9 (20.0%)	3 (9.7%)	10 (10.8%)
	Oyo	11 (64.7%)	26 (57.8%)	16 (51.6%)	51 (54.8%)