Vitamin A fully adequate group
| Characteristics | Vitamin A fully adequate group | Total | P-value | |
|---|---|---|---|---|
| Yes | No | |||
| Total | 644 (19.3) | 2,952 (80.7) | 3,596 (100.0) | |
| Age (y) | 59.11±0.43 | 59.46±0.22 | 59.39±0.19 | 0.482 |
| Body mass index (kg/m2) | 24.57±0.13 | 24.08±0.07 | 24.18±0.06 | <0.001 |
| Vitamin A (mg/L) | 0.85±0.01 | 0.49±0.00 | 0.56±0.00 | <0.001 |
| Vitamin E (mg/L) | 16.81±0.35 | 14.04±0.20 | 14.58±0.18 | <0.001 |
| Sex | <0.001 | |||
| Male | 410 (65.7) | 1,195 (43.2) | 1,605 (47.6) | |
| Female | 234 (34.3) | 1,757 (56.8) | 1,991 (52.4) | |
| Income | 0.807 | |||
| Low | 142 (17.8) | 676 (18.1) | 818 (18.0) | |
| Mid-low | 147 (22.2) | 735 (24.2) | 882 (23.8) | |
| Mid-high | 162 (28.3) | 739 (26.9) | 901 (27.2) | |
| High | 193 (31.6) | 802 (30.9) | 995 (31.0) | |
| Educational level | 0.852 | |||
| ≤Elementary school | 175 (25.3) | 843 (23.8) | 1,018 (24.1) | |
| Middle school | 98 (14.8) | 431 (14.2) | 529 (14.3) | |
| High school | 202 (31.6) | 935 (33.5) | 1,137 (33.1) | |
| ≥College | 169 (28.4) | 743 (28.5) | 912 (28.4) | |
| Marital status | 0.513 | |||
| Married | 508 (83.0) | 2,307 (81.8) | 2,815 (82.0) | |
| Unmarried | 136 (17.0) | 645 (18.2) | 781 (18.0) | |
| Hypertension | <0.001 | |||
| Yes | 285 (42.0) | 1,010 (32.7) | 1,295 (34.5) | |
| No | 359 (58.0) | 1,942 (67.3) | 2,301 (65.5) | |
| Hyperlipidemia | <0.001 | |||
| Yes | 217 (34.1) | 740 (25.7) | 957 (27.3) | |
| No | 427 (65.9) | 2,212 (74.3) | 2,639 (72.7) | |
| Diabetic mellitus | 0.004 | |||
| Yes | 152 (20.9) | 488 (15.2) | 640 (16.3) | |
| No | 492 (79.1) | 2,464 (84.8) | 2,956 (83.7) | |
Values are presented as mean±standard error for continuous variables or unweighted n (weighted %) for categorical variables.
P-values are from Rao-scott χ2 test or ANOVA.