Table 1 Participants' characteristics (n = 1972).
| Continuous variable | Mean (SD) |
|---|---|
| Age (years) | 61.9 (10.5) |
| Body mass index (kg/m2) | 26.2 (4.5) |
| Daily energy intake (kJ) | 7441 (2804) |
| Daily linoleic acid intake (g) | 9.4 (5.2) |
| Daily LZ intake (μg) | 803 (414) |
| Adjusted daily LZ intake (μg) | 788 (371) |
| Daily fat intake (g) | 66.1 (30.2) |
| Adjusted daily fat intake (g) | 61.0 (11.4) |
| Categorical variable | No (%) |
| Female | 1038 (53) |
| Number of years smoked >40 | 173 (8.8) |
| Taking an ACE inhibitor (1971*) | 299 (15) |
| Taking blood cholesterol lowering medication (1964*) | 52 (2.7) |
| Taking supplement (s) (1931*) | 409 (21) |
| AMD (International classification) | |
| Late | 36 (1.8%) |
| Early | 421 (21%) |
| None | 1515 (77%) |
| AMD (Wisconsin) | |
| Late | 36 (1.8%) |
| Early | 147 (7.5%) |
| None | 1789 (91%) |
| Daily LZ intake (μg/4.18 MJ) | Median |
| 1st quintile | 213 |
| 2nd quintile | 328 |
| 3rd quintile | 440 |
| 4th quintile | 562 |
| 5th quintile | 801 |
*Number of complete records for the corresponding variable.