Table 1.
( n = 1938) |
|||||
---|---|---|---|---|---|
Q1 | Q2 | Q3 | Q4 | P2 | |
Total antioxidant capacity |
|
|
|
|
|
Range |
< 842 |
842-958 |
959-1080 |
> 1080 |
|
Median |
764 |
906 |
1014 |
1161 |
|
Age at baseline (yr) |
37.0 ± 0.6 |
40.2 ± 0.5 |
41.4 ± 0.5 |
43.0 ± 0.5 |
<0.001 |
Men (%) |
53.9 |
46.8 |
39.0 |
34.5 |
<0.001 |
Physical activity (Met-h/week) |
|
|
|
|
|
Job activity |
29.2 ± 2.3 |
26.7 ± 2.3 |
22.5 ± 2.3 |
26.0 ± 2.3 |
0.25 |
Leisure time activity |
8.2 ± 0.7 |
9.9 ± 0.7 |
10.2 ± 0.7 |
12.0 ± 0.7 |
0.005 |
Total |
37.5 ± 2.5 |
36.6 ± 2.4 |
32.7 ± 2.4 |
38.1 ± 2.4 |
0.41 |
Current smoker (%) |
13.7 |
11.0 |
10.8 |
9.2 |
0.16 |
Education status (%) |
|
|
|
|
|
Illiterate |
2.5 |
1.7 |
2.3 |
2.7 |
0.73 |
Primary education |
7.5 |
3.2 |
6.5 |
0 |
0.81 |
Academic education |
81.1 |
90.3 |
83.9 |
91.3 |
0.81 |
Advanced academic education | 11.3 | 6.5 | 9.7 | 8.7 | 0.81 |
1Data are age- and sex-adjusted mean ± SEM.
2P for trend across quartiles of dietary phytochemical index was calculated using Chi square test or linear regression models with adjustment for sex and age.