Table 2. Attendance at biennial retinal screening for diabetes, New Zealand, 2006–2019.
| Total† | Attendance at biennial screening | |||
|---|---|---|---|---|
| n (col%) | n (row%) | Relative Risk | p-value‡ | |
| Total | 181265(100) | 112484(62.1) | ||
| Sex | ||||
| Female | 85128(47.0) | 51775(60.8) | Ref | |
| Male | 96137(53.0) | 60709(63.1) | 1.03(1.02, 1.04) | <0.0001 |
| Age (years) | ||||
| 15–29 | 10483(5.8) | 6193(59.1) | 0.93(0.92, 0.95) | <0.0001 |
| 30–39 | 20532(11.3) | 12454(60.7) | 0.95(0.94, 0.97) | <0.0001 |
| 40–49 | 38257(21.1) | 24298(63.5) | 0.99(0.98, 1.00) | 0.0806 |
| 50–59 | 46291(25.5) | 29882(64.6) | Ref | |
| 60–69 | 39212(21.6) | 24763(63.2) | 0.97(0.96, 0.98) | <0.0001 |
| 70–79 | 21670(12.0) | 12354(57.0) | 0.87(0.86, 0.89) | <0.0001 |
| 80+ | 4820(2.7) | 2540(52.7) | 0.81(0.78, 0.83) | <0.0001 |
| Ethnicity | ||||
| NZ European | 97556(53.8) | 61410(62.9) | Ref | |
| Māori | 26387(14.6) | 15587(59.1) | 0.92(0.91, 0.93) | <0.0001 |
| Pacific | 25790(14.2) | 15214(59.0) | 0.92(0.91, 0.93) | <0.0001 |
| Asian | 27454(15.1) | 17912(65.2) | 1.02(1.01, 1.03) | 0.0006 |
| Others | 4078(2.2) | 2361(57.9) | 0.91(0.88, 0.93) | <0.0001 |
| Area level deprivation (quintiles) | ||||
| Least deprived | 24795(13.7) | 15705(63.3) | Ref | |
| 2 | 28637(15.8) | 17825(62.2) | 0.99(0.98, 1.00) | 0.1486 |
| 3 | 33135(18.3) | 20809(62.8) | 1.00(0.99, 1.02) | 0.5500 |
| 4 | 40554(22.4) | 25177(62.1) | 0.99(0.99, 1.01) | 0.7757 |
| Most deprived | 53883(29.7) | 32881(61.0) | 0.99(0.99, 1.01) | 0.8419 |
| Missing | 261(0.1) | 87(33.3) | ||
† People who had at least one retinal screening appointment between 1 July 2006 and 1 January 2018, lived at least 24 months from the date of the first screening appointment and were not referred to ophthalmology on the same date as their first screening attendance
‡ Log binomial regression to test for an association with attending all biennial appointments, adjusting for all other variables in the table.