|  |  |  |  | Model I 2 |  | Model II 3 |  | Model III 4 |  |
---|---|---|---|---|---|---|---|---|---|---|
Quartile of blood level | Â | Median intake | Number of | Cases of | OR (95% CI) | P-trend 5 | OR (95% CI) | P-trend 5 | OR (95% CI) | P-trend 5 |
 |  | (μmol/L) | participants | cataract |  |  |  |  |  |  |
Vitamin C ( μmol/L) | [2.00, 33.5) | 19.00 | 137 | 108 (78.8%) | 1.00 | 0.077 | 1.00 | 0.169 | 1.00 | 0.553 |
 | [33.5, 45.6) | 40.70 | 139 | 109 (78.4%) | 1.11 (0.61 - 2.02) |  | 1.23 (0.65 - 2.31) |  | 1.20 (0.63 - 2.28) |  |
 | [45.6, 58.6) | 51.90 | 138 | 81 (58.7%) | 0.41 (0.23 - 0.73) |  | 0.41 (0.23 - 0.74) |  | 0.39 (0.21 - 0.72) |  |
 | [58.6, 127.9) | 67.55 | 136 | 102 (75.0%) | 0.80 (0.44 - 1.48) |  | 0.97 (0.51 - 1.84) |  | 1.02 (0.53 - 1.99) |  |
Alfa-tocopherol ( μmol/L) | [13.78, 28.24) | 26.08 | 137 | 105 (76.6%) | 1.00 | 0.026 | 1.00 | 0.624 | 1.00 | 0.927 |
 | [28.24, 31.22) | 29.84 | 139 | 110 (79.1%) | 1.06 (0.58 - 1.93) |  | 1.03 (0.57 - 1.99) |  | 0.92 (0.48 - 1.75) |  |
 | [31.22, 34.99) | 32.03 | 137 | 88 (64.2%) | 0.41 (0.23 - 0.73) |  | 0.42 (0.23 - 0.76) |  | 0.37 (0.20 - 0.69) |  |
 | [34.99, 53.19) | 37.60 | 138 | 98 (71.0%) | 0.68 (0.38 - 1.21) |  | 0.65 (0.36 - 1.19) |  | 0.51 (0.27 - 0.96) |  |
Alfa-carotene ( μmol/L) | [0.00, 0.03) | 0.02 | 137 | 106 (77.4%) | 1.00 | 0.604 | 1.00 | 0.223 |  |  |
 | [0.03, 0.05) | 0.04 | 139 | 96 (69.1%) | 0.62 (0.35 - 1.10) |  | 0.66 (0.36 - 1.20) |  |  |  |
 | [0.05, 0.09) | 0.06 | 137 | 103 (75.2%) | 1.03 (0.57 - 1.85) |  | 0.98 (0.53 - 1.81) |  |  |  |
 | [0.09, 1.38) | 0.15 | 138 | 96 (69.6%) | 0.69 (0.39 - 1.25) |  | 0.60 (0.32 - 1.13) |  |  |  |
Beta-carotene ( μmol/L) | [0.00, 0.10) | 0.06 | 138 | 104 (75.4%) | 1.00 | 0.685 | 1.00 | 0.118 |  |  |
 | [0.10, 0.16) | 0.12 | 138 | 93 (67.4%) | 0.64 (0.37 - 1.13) |  | 0.71 (0.39 - 1.28) |  |  |  |
 | [0.16, 0.29) | 0.22 | 137 | 102 (74.5%) | 1.01 (0.56 - 1.82) |  | 1.14 (0.62 - 2.11) |  |  |  |
 | [0.29, 3.19) | 0.47 | 138 | 102 (73.9%) | 0.97 (0.54 - 1.76) |  | 1.02 (0.55 - 1.90) |  |  |  |
Beta-cryptoxanthin ( μmol/L) | [0.00, 0.04) | 0.02 | 137 | 105 (76.6%) | 1.00 | 0.741 | 1.00 | 0.347 |  |  |
 | [0.04, 0.07) | 0.05 | 138 | 93 (67.4%) | 0.58 (0.33 - 1.03) |  | 0.61 (0.33 - 1.11) |  |  |  |
 | [0.07, 0.15) | 0.10 | 139 | 102 (73.4%) | 0.81 (0.45 - 1.45) |  | 0.90 (0.48 - 1.67) |  |  |  |
 | [0.15, 1.11) | 0.26 | 137 | 101 (73.7%) | 0.77 (0.42 - 1.41) |  | 0.77 (0.40 - 1.46) |  |  |  |
Zeaxanthin ( μmol/L) | [0.00, 0.02) | 0.01 | 138 | 104 (75.4%) | 1.00 | 0.493 | 1.00 | 0.542 |  |  |
 | [0.02, 0.03) | 0.02 | 138 | 102 (73.9%) | 0.96 (0.54 - 1.70) |  | 1.15 (0.62 - 2.11) |  |  |  |
 | [0.03, 0.05) | 0.03 | 138 | 94 (68.1%) | 0.68 (0.38 - 1.20) |  | 0.77 (0.43 - 1.40) |  |  |  |
 | [0.05, 0.21) | 0.07 | 137 | 101 (73.7%) | 0.89 (0.48 - 1.63) |  | 0.93 (0.49 - 1.76) |  |  |  |
Lycopene ( μmol/L) | [0.00, 0.20) | 0.11 | 137 | 111 (81.0%) | 1.00 | 0.580 | 1.00 | 0.074 |  |  |
 | [0.20, 0.37) | 0.28 | 139 | 90 (64.7%) | 0.41 (0.23 - 0.74) |  | 0.41 (0.22 - 0.76) |  |  |  |
 | [0.37, 0.68) | 0.49 | 137 | 97 (70.8%) | 0.58 (0.32 - 1.05) |  | 0.69 (0.37 - 1.30) |  |  |  |
 | [0.68, 6.79) | 1. 09 | 138 | 103 (74.6%) | 0.68 (0.37 - 1.28) |  | 0.72 (0.38 - 1.38) |  |  |  |
Lutein-zeaxanthin ( μmol/L) | [0.00, 0.05) | 0.04 | 138 | 101 (73.2%) | 1.00 | 0.548 | 1.00 | 0.138 |  |  |
 | [0.05, 0.08) | 0.06 | 137 | 105 (76.6%) | 1.37 (0.77 - 2.44) |  | 1.41 (0.78 - 2.58) |  |  |  |
 | [0.08, 0.21) | 0.12 | 138 | 95 (68.8%) | 0.81 (0.46 - 1.43) |  | 0.86 (0.47 - 1.54) |  |  |  |
 | [0.21, 1.17) | 0.31 | 138 | 100 (72.5%) | 0.92 (0.51 - 1.67) |  | 0.91 (0.48 - 1.71) |  |  |  |