Table 4.

Association of Respondent’s Background with Pterygium and Pinguecula

Variables	Pterygium		P-value	Pinguecula		P-value
	No N (%)	Yes N (%)		No N (%)	Yes N (%)
Age (years)
40–49	223 (55.9)	176 (44.1)	<0.001	243 (60.9)	156 (39.1)	<0.001
50–59	121 (59.9)	81 (40.1)		132 (65.3)	70 (34.7)
60–69	60 (59.4)	41 (40.6)		84 (83.2)	17 (16.8)
70 and above	68 (80.0)	17 (20.0)		75 (88.2)	10 (11.8)
Sex
Female	123 (60.0)	82 (40.0)	0.993	155 (75.6)	50 (24.4)	0.006
Male	349 (60.0)	233 (40.0)		379 (65.1)	203 (34.9)
Occupation
Housewife	123 (60.0)	82 (40.0)	<0.001	155 (75.6)	50 (24.4)	0.004
Fisherman	166 (66.1)	85 (33.9)		174 (69.3)	77 (30.7)
Navy	183 (55.3)	148 (44.7)		205 (61.9)	126 (38.1)
Duration of work (years)
6–14	35 (63.6)	20 (36.4)	<0.001	28 (50.9)	27 (49.1)	<0.001
15–24	125 (53.9)	107 (46.1)		145 (62.5)	87 (37.5)
25–34	86 (57.0)	65 (43.0)		98 (64.9)	53 (35.1)
35–44	66 (64.1)	37 (35.9)		71 (68.9)	32 (31.1)
45 and above	37 (90.2)	4 (9.8)		37 (90.2)	4 (9.8)
Use of sunglasses
Yes	77 (60.2)	51 (39.8)	0.963	85 (66.4)	43 (33.6)	0.702
No	395 (59.9)	264 (40.1)		449 (68.1)	210 (31.9)
Regular use of hat
No	463 (60.4)	304 (39.6)	0.166	520 (67.8)	247 (32.2)	0.835
Yes	9 (45.0)	11 (55.0)		14 (70.0)	6 (30.0)
Do you have vision problems?
No	174 (52.4)	158 (47.6)	<0.001	194 (58.4)	138 (41.6)	<0.001
Yes	298 (65.5)	157 (34.5)		340 (74.7)	115 (25.3)
History of eye operation
Yes	67 (72.0)	26 (28.0)	0.011	83 (89.2)	10 (10.8)	<0.001
No	405 (58.4)	289 (41.6)		451 (65.0)	243 (35.0)
History of eye trauma
No	460 (60.0)	307 (40.0)	0.998	523 (68.2)	244 (31.8)	0.213
Yes	12 (60.0)	8 (40.0)		11 (55.0)	9 (45.0)
Total	472 (60.0)	315 (40.0)		534 (67.9)	253 (32.1)