BMC Public Health

Table 3 Prevalence of OSA and sleepiness and their relationship with demographic and clinical variables

From: Assessment of the relationship between metabolic syndrome and obstructive sleep apnea in male drivers of Shahroud city in 2018: a cross sectional study

Variable		Risk of OSA		Chi-square test (χ²)	P-value	Sleepiness		Chi-square test (χ²)	P-value
Variable		Low(%)	High(%)	Chi-square test (χ²)	P-value	normal	mild	Chi-square test (χ²)	P-value
Class of driver’s license	Class 1	50.32	18.46	4.23	0.06	568	84	2.53	0.14
	Class 2	0.24	6.12			249	32
	Class 3	1.27	0.32			15	0
Driving type	Passenger cars	18.67	5.49	0.772	0.18	194	35	2.611	0.05
Driving type	Road vehicles	56.43	19.41	0.772	0.18	638	81	2.611	0.05
Marital status	Married	70.04	24.26	5.818	0.01	782	112	1.243	0.13
Marital status	Single	5.06	0.63	5.818	0.01	50	4	1.243	0.13
Age	< 30	9.07	0.63	220.876	< 0.001	86	6	10.902	0.006
	30–40	22.57	1.69			212	18
	40–50	29.96	5.49			284	52
	> 50	13.5	17.09			250	40
BMI	< 18.5	2	0.11	161.142	< 0.001	17	3	4.023	0.12
	18.5–25	31.22	1.58			271	40
	25–30	30.59	10.86			339	54
	> 30	11.29	12.34			205	19
HTN	Yes	30.38	14.87	26.639	< 0.001	385	44	2.860	0.04
HTN	No	44.73	10.02	26.639	< 0.001	447	72	2.860	0.04
HDL	< 40	62.24	19.51	2.38	0.06	676	99	1.144	0.14
HDL	≥40	12.87	5.38	2.38	0.06	156	17	1.144	0.14
TG	≥150	31.54	13.71	12.260	< 0.001	380	49	0.484	0.24
TG	< 150	43.57	11.18	12.260	< 0.001	452	67	0.484	0.24
FBS	≥100	58.33	15.08	26.48	< 0.001	609	87	0.170	0.34
FBS	< 100	16.77	9.81	26.48	< 0.001	223	29	0.170	0.34

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ISSN: 1471-2458

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