Evidence of seasonal changes in airborne particulate matter concentration and occupation-specific variations in pulmonary function and haematological parameters among some workers in Enugu Southeast Nigeria: a randomized cross-sectional observational study

Table 1 Socio-demographic characteristics of the Participants (n = 80)

Variable	Category	Mean ± SD	Range	F – Value	P – value
Age (Years)				5.386	0.002*
	Civil servants	42.30 ± 9.06	23 – 53
	Cement workers	39.50 ± 14.95	17 – 65
	Spray Painters	40.75 ± 9.85	28 – 62
	Woodworkers	52.20 ± 9.77	34 – 71
Weight (Kg)				5.064	0.003*
	Civil servants	79.60 ± 11.38	49—105
	Cement workers	67.65 ± 8.35	53—85
	Spray Painters	71.80 ± 11.50	59—100
	Woodworkers	78.65 ± 13.48	51 – 102
Height (m)				2.250	0.089
	Civil servants	1.72 ± 0.06	1.56 – 1.82
	Cement workers	1.67 ± 0.79	1.51 – 1.83
	Spray Painters	1.73 ± 0.79	1.60 – 1.90
	Woodworkers	1.69 ± 0.08	1.58 – 1.90
Duration of Work (Years)				6.419	0.001*
	Civil servants	11.85 ± 8.96	4.00 – 31.00
	Cement workers	10.15 ± 10.07	1.00 – 30.00
	Spray Painters	19.10 ± 9.80	4.00 – 41.00
	Woodworkers	22.25 ± 11.73	5.00 – 48.00
Demographic Information				Frequency	Percentage
Academic Qualification
	Not educated			03	05.00
	FSLSC			29	48.33
	SSCE			18	30.00
	National Vocational Certificate			05	08.33
	National Technical Certificate			02	03.33
	Advanced National Technical certificate			03	05.00
Category of skillset
	Unskilled Labourers			33	55.00
	Skilled Labourers			10	16.67
	Foremen			09	15.00
	Vendors			07	11.67

FSLC First School Leaving certificate, SSCE Senior Secondary School Certificate, spray painters automobile spray painters
^*Significant at p < 0.05

ISSN: 2049-3258