Table 2 Pilot intervention: scores of knowledge about nutrition and AMD
Knowledge questions | Mean score ± SD | p-value | |
|---|---|---|---|
Pre-intervention Actual Score; (actual score range) | Post-intervention Actual Score; (actual score range) | ||
1. Affected visual field due to AMD (score range: 0–1) | 0.66 ± 0.49; (0–1) | 1.00 ± 0.00; (1–1) | 0.025 |
2. AMD-related dietary advice (score range 0–5) | 2.73 ± 1.22; (0–4) | 4.20 ± 0.41; (4–5) | 0.002 |
3. Food sources of lutein and zeaxanthin (score range 0–3) | 1.47 ± 0.99; (0–3) | 2.93 ± 0.26; (2–3) | 0.002 |
4. Omega-3 fatty acid content in fish (score range 0–3) | 2.13 ± 0.52; (1–3) | 2.13 ± 0.52; (1–3) | 1.000 |
5. AMD supplement awareness (score range 0–1) | 0.47 ± 0.52; (0–1) | 0.93 ± 0.26; (0–1) | 0.008 |
Total knowledge score (score range 0–13) | 7.07 ± 1.94; (3–10) | 10.8 ± 1.01; (8–12) | 0.001 |