Table 3 Systemic co-morbidity and behavioral characteristics of adults aged ≥ 18 years at Debre Berhan town, North Shewa, Ethiopia, 2018 (n = 416, n = number of study participants)
| Variables | Category | Frequency | Percentage (%) |
|---|---|---|---|
| Known history of hypertension | Yes | 21 | 5.0 |
| No | 395 | 95.0 | |
| Known history of diabetes | Yes | 9 | 2.2 |
| No | 407 | 97.8 | |
| Cigarette smoking | Yes | 11 | 2.6 |
| No | 405 | 97.4 | |
| History of eye trauma | Yes | 28 | 6.7 |
| No | 388 | 93.3 | |
| History of eye check up | Yes | 133 | 32.0 |
| No | 283 | 68.0 | |
| Eye glass wear | Yes | 101 | 24.3 |
| No | 315 | 75.7 |