Table 18: Characteristics of Cohort Studies.
| Study Name | Design | Follow up (years) | Years Study Conducted | Sample Size (*Response rate %) |
Population | Mean Age (SD), years [range] |
|---|---|---|---|---|---|---|
| Barbados Incidence Study of Eye Disease II (BISED II)(47) |
Population based cohort | 9 | 1997-2003 | 2612/3448 (81) |
93% black 40-84 years of age 60% female |
55 (10.3) |
| The Rotterdam Study(48) |
Population based cohort |
6.5 | 1997-1999 | 3636/5109 (71.2) |
The Netherlands ≥55 years of age | 51.0 (not reported) [not reported] |
| The Beaver Dam Eye Study(49) |
Population based cohort |
5 | 1993-1995 | 3583/4541 (79) |
United States 99% Caucasian 43-86 years of age |
†60.1 [43-86] |
| The Blue Mountains Study(50) |
Population Based cohort |
5 | 1997-1999 | 2311/3111 (74) |
Australia ≥49 years of age |
64.5 (not reported) |
*
response rate = number of persons with gradable fundus photographs at follow-up / total surviving cohort at follow-up.
†
Source: Tomany et al: 2004 (51)