Table 1 The characteristics of the study participants and the prevalence of epiretinal membrane (n = 8173).

Characteristics	Total population	Epiretinal membrane	Prevalence (%)	p-value
Age (years) group
50 to 54	1245	94	7.55	0.354
55 to 59	1379	121	8.77
60 to 64	1592	120	7.54
65 to 69	1664	148	8.89
70 to 74	1187	116	9.77
75 to 79	603	46	7.63
80 and above	503	43	8.55
Total	8173	688	8.42
Sex
Male	3354	275	8.20	0.552
Female	4819	413	8.57
Total	8173	688	8.42
Urbanization
Urban	4661	418	8.97	< 0.001
Rural	3512	270	7.69
Total	8173	688	8.42
Geographic location
Coastal	6402	579	9.04	0.039
Inland	1771	109	6.15
Total	8173	688	8.42
Education level
Illiteracy	1268	97	7.65	0.079
Primary school	1511	119	7.88
Middle school	3089	281	9.10
College and above	1189	108	9.08
Total	7057	605	8.57
Income level
≤ 2000	2406	189	7.86	0.104
2000–5000	1941	179	9.22
> 5000	587	55	9.37
Total	4934	423	8.57
Smoking
Yes	1257	104	8.27	0.692
No	5406	466	8.62
Total	6663	570	8.55
Drinking
Yes	1151	100	8.69	0.678
No	5292	440	8.31
Total	6443	540	8.38
Tea consumption
Yes	2959	262	8.85	0.718
No	3373	290	8.60
Total	6332	552	8.72
Duration of phone use (hours, h)
0	2206	183	8.30	0.838
< 1	2657	230	8.66
1 to 2	1033	95	9.20
> 2	1016	78	7.68
Total	6912	586	8.48

Quick links

Search