Table 3.

Ocular Surface Disease Index (OSDI) Score in Adult Population of Four Cities of Southwest Saudi Arabia

		Examined	Ocular Surface Disease Index		Validation
			Median	Interquartile Range
Gender	Male	176	18.7	9.9; 41.7	MW P = 0.038
	Female	212	25.0	12.5; 50.0
Age group	18 to 25	68	20.8	8.5; 39.6	KW P = 0.173
	26 to 37	99	18.7	10.4; 44.2
	38 to 50	117	25.0	8.3; 46.7
	More than 50 years	104	29.5	14.6; 55.7
Resident of	Abha	200	20.8	8.3; 47.9	KW P = 0.052
	Taif	111	33.3	14.6; 54.2
	Al-Baha	34	20.8	14.1; 33.3
	Khamis Mushait	43	18.8	8.3; 43.8
Social status	Single	107	20.8	12.5; 45.5	KW P = 0.609
	Married	258	24.0	10.4; 47.9
	Divorced	18	20.8	12.5; 51.0
	Widow	5	60.4	14.4; 65.2
Education	Primary school	12	71.9	29.7; 89.6	KW P = 0.004
	Middle school	6	39.1	5.6; 58.3
	Secondary school	76	27.1	12.5; 53.1
	College and higher	294	20.8	10.4; 41.7
Occupation	Working	209	20.8	8.3; 43.8	MW P = 0.124
	Not working	179	25.0	12.5; 50.0
Participant reported comorbidities	None	95	18.7	10.4; 39.6	KW P < 0.001
	Allergic rhinitis	58	26.0	14.6; 48.4
	Diabetes	53	25.0	10.4; 55.2
	Hypertension	35	41.7	18.8; 68.8
	Asthma	16	39.6	20.8; 75.8
	Other	22	39.6	14.6; 61.4
	Missing	109	16.7	6.3; 39.3
Participant reported known risk factors	Smoking	48	22.9	14.6; 44.9	KW P = 0.013
	Caffeine intake	45	18.7	11.5; 50.0
	Vitamin deficiency	40	20.8	13.0; 38.0
	Using eyedrops	36	26.0	13.9; 51.6
	Using contact lens	41	25.0	7.9; 50.0
	H/o refractive surgery	26	33.3	13.3; 41.7
	Dyslipidemia	22	33.7	13.5; 54.5
	Arthritis	22	37.9	15.1; 65.6
	Other	33	36.4	20.8; 61.5
	None	75	12.5	4.2; 29.5

Abbreviations: MW, Maan–Whitney; KW, Kruskal–Wallis.