Table 3 Prevalence of diabetes among adults in included studies, 1998-2011
| Study | Year of data collection | Response rate (%) | Sample size | Age | Diabetes type | Diagnostic criteria | Estimate | Prevalence % (95 % CI) | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Males | Females | Total | ||||||||
| Sheily and Kelleher [22] | 1998 | 62 | 1632 | ≥ 55 years | All | SRa | Diagnosed | 6.1 | 4.3 | 5.4 |
| Creagh et al. [23] | 1998 | 69.1 | 1018 | 50–69 years | 2 | FPGb |
Diagnosed Undiagnosed Total Total ≥65 years |
- - - 13 |
- - - 7 |
2.8 1.2 3.9 (2.9–5.4) - |
| CSO [27] | July- Sept. 2001 | - | 3917203 | ≥ 18 years | All | SR |
Diagnosed ≥18 years ≥65 years |
- 1.7 |
- 1.4 |
1.5 4.5 |
| Sheily and Kelleher [22] | 2002 | 53 | 1745 | ≥ 55 years | All | SR | Diagnosed | 8.0 | 5.1 | 6.4 |
| Balanda et al. [11] | 2007 | 62 | 10,364 | ≥ 18 years | All | SR or medication use or HbA1cc |
Diagnosed 18–44 years 45+ years Total ≥ 18 years Undiagnosed (≥ 45 years) Total (diagnosed & undiagnosed ≥ 45 years) |
- 6.8 (5.7–7.9) - 4.0 (1.6–6.3) 10.8 (8.2–13.4) |
- 5.4 (4.3–6.6) - 1.7 (0.3–3.0) 7.1 (5.3–8.9) |
0.7 (0.5–0.9) 6.1 (5.5–6.9) 3.5 (3.1–3.9) 2.8 (1.4–4.1) 8.9 (7.3–10.5) |
| Gallagher et al. [24] |
2009 2010 | - |
3493974 3490877 | ≥ 18 years | 2 | At least 1 prescription of diabetes medication |
Diagnosed 2009 2010 |
- - |
- - |
2.8 3.1 |
| Leahy et al. [25] | 2009–2011 | 62 | 5377 | ≥ 50 years | 2 | SR or medication use or HbA1cc |
Diagnosed Undiagnosed Total (diagnosed & undiagnosed) 50–59 years 60–69 years 70–79 years 80+ years |
- - 11.8 (10.3–13.3)* 5.1 (4.0–7.0) 6.0 (5.0–8.0) 12.0 (8.0–14.0) 10.0 (5.0–15.0) |
- - 7.3 (6.0–8.5)* 4.0 14.0 (11.0–16.0) 17.0 (14.0–21.0) 25.0 (15.0–36.0) |
8.6 (7.6–9.5) 0.9 (0.6–1.1) 9.5 (8.5–10.4) 5.0 (4.0–6.0) - - 16.0 (10.7–21.4) |
| OConnor et al. [26] | 2010-2011 | 67.9 | 2047 | 50–69 years | 2 | SR or medication use or HbA1cc |
Diagnosed Undiagnosed Total |
6.8* 7.1* 11.1* |
3.1* 2.7* 6.0* |
5.0 (4.1–6.0) 3.5 (2.8–4.4) 8.5 (7.4–8.8) |