Is Dietary Milk Intake Associated with Cataract Extraction History in Older Adults? An Analysis from the US Population
Table 2
Summary statistics of milk consumption indicators, including usual daily intake amounts (in cup equivalents) of milk and total dairy products, and the estimated level of lifelong milk exposure by participants of 24 h dietary survey.
Total
Positive cataract extraction history (% within-group)
Negative cataract extraction history (% within-group)
Univariate value
Current total milk intake (cup equivalents/day), mean ± SD
0.91 ± 1.14
0.88 ± 0.95
0.92 ± 1.17
0.336
Current total dairy intake (cup equivalents/day), mean ± SD
1.43 ± 1.40
1.26 ± 1.13
1.46 ± 1.44
<0.001
Early-life regular daily milk drinking (%)
Self-reported as never a regular milk drinker
20.3
22.0
20.10
Variable (sometimes daily)
35.1
32.8
35.60
0.224
Always-regular daily milk drinker
44.5
45.2
44.40
Estimated lifelong milk exposure (%)
Low
7.9
6.5
8.1
0.543
Below average
20.3
21.2
20.2
Average
29.3
29.2
29.3
Above average
25.4
25.3
25.4
High
17.1
17.8
17.0
Self-perceived consistency (≥5/week) of milk drinking throughout life (%)