Formaldehyde Exposure and Its Potential Health Risk in Some Beauty Salons in Kumasi Metropolis

Table 2

Statistical analysis of independent variables.

Services rendered	Type of service	Frequency	Percent	Valid percent	Cumulative percent
	Hair	60	—	—	—
	Nail	46	—	—	—
	Skin	1	—	—	—
	Eyelash/eyebrow	7	—	—	—
	Makeups	15	—	—	—
Number of services	One service	13	21.7	21.7	21.7
	Two services	32	53.3	53.3	75.0
	Three services	8	13.3	13.3	88.3
	Four services	6	10.0	10.0	98.3
	Five services	1	1.7	1.7	100
	Total	60	100.0	100.0	—
Average number of customers in a week	Less than 20	1	1.7	1.7	1.7
	20–29	28	46.7	46.7	48.3
	30–39	24	40.0	40.0	88.3
	40–49	6	10.0	10.0	98.3
	50 and above	1	1.7	1.7	100
	Total	60	100	100	—
Age of facility	Less or equal to 5 years	47	78.3	78.3	78.3
	More than five years	13	21.7	21.7	100
	Total	60	100	100	—
Years of working experience	0–5 years	29	48.3	48.3	48.3
	6–10 years	26	43.3	43.3	91.7
	11–15 years	4	6.7	6.7	98.3
	16 years and above	1	1.7	1.7	100
	Total	60	100	100	—
Academic qualification of owners/workers	JHS	50	83.3	83.3	83.3
	SHS	3	5.0	5.0	88.3
	NVTI	6	10.0	10.0	98.3
	None	1	1.7	1.7	100
	Total	60	100	100	—
Knowledge about chemical composition of products used	Yes	1	0.67	0.67	0.67
	No	59	99.33	99.33	100
	Total	60	100	100	—
Health effects	Respiratory irritation	37	—	—	—
	Eye irritation	27	—	—	—
	Nose irritation	20	—	—	—
	Skin irritation	16	—	—	—
	Nausea	—	—	—	—
	Vomiting	—	—	—	—
	Asthma	—	—	—	—
	Headache	4	—	—	—