TABLE 2.
Means and 95% CIs of nutrient intake by participants’ characteristics (n = 2592)1
| Characteristic | Participants2 | β-Carotene | Vitamin C | Vitamin E | Magnesium |
| n (%) | μg/d | mg/d | mg/d | mg/d | |
| Total | 2592 | 1931 (1728, 2134) | 212 (189, 235) | 49.2 (40.6, 57.9) | 331 (321, 341) |
| Age | |||||
| 20–39 y | 1145 (44.1) | 1679 (1455, 1904)* | 159 (139, 180)* | 17.3 (13.3, 21.2)* | 294 (282, 305)* |
| 40–59 y | 988 (44.6) | 1969 (1652, 2287) | 245 (207, 283) | 63.9 (46.6, 81.2) | 355 (337, 373) |
| 60–69 y | 459 (11.3) | 2765 (2243, 3286) | 288 (248, 328) | 115.9 (95.6, 136.3) | 381 (345, 417) |
| Sex | |||||
| Male | 1202 (47.8) | 1781 (1508, 2053)* | 191 (163, 219)* | 42.0 (33.6, 50.3)† | 325 (310, 341) |
| Female | 1390 (52.2) | 2069 (1868, 2270) | 231 (207, 256) | 55.9 (42.8, 68.9) | 336 (327, 345) |
| BMI | |||||
| <30 kg/m2 | 1726 (68.3) | 2080 (1831, 2329)* | 224 (199, 250)* | 50.0 (39.5, 60.5)* | 339 (326, 352)* |
| ≥30 kg/m2 | 866 (31.7) | 1612 (1369, 1855) | 185 (150, 221) | 47.6 (37.8, 57.4) | 313 (303, 323) |
| Race ethnicity | |||||
| Non-Hispanic white | 1315 (73.0) | 1949 (1682, 2217) | 229 (197, 261)* | 57.1 (47.3, 66.9)* | 345 (331, 360)* |
| Non-Hispanic black | 565 (11.2) | 2099 (1723, 2475) | 149 (130, 167) | 22.2 (16.0, 28.4) | 264 (252, 276) |
| Mexican American | 516 (6.8) | 1780 (1445, 2114) | 159 (130, 188) | 18.7 (12.3, 25.2) | 317 (305, 329) |
| Other | 196 (9.0) | 1692 (1274, 2110) | 192 (139, 245) | 41.6 (10.5, 72.7) | 308 (291, 324) |
| Occupational noise exposure3 | |||||
| Low, <2.84 | 1311 (53.6) | 2265 (1998, 2533)* | 248 (223, 273)* | 60.6 (47.6, 73.5)* | 349 (337, 361)* |
| High, ≥2.84 | 1281 (46.4) | 1546 (1360, 1732) | 171 (141, 201) | 36.1 (26.7, 45.6) | 310 (294, 325) |
| Firearm noise exposure | |||||
| No | 2422 (92.2) | 1925 (1737, 2113) | 214 (190, 238) | 50.3 (40.7, 59.9) | 330 (322, 338) |
| Yes | 170 (7.8) | 2010 (1230, 2790) | 191 (124, 258) | 36.9 (23.8, 49.9) | 341 (288, 395) |
| Recreational noise exposure | |||||
| No | 1952 (72.5) | 1935 (1720, 2150) | 216 (190, 242) | 49.9 (38.9, 60.9) | 333 (322, 343) |
| Yes | 640 (27.5) | 1921 (1527, 2315) | 202 (171, 234) | 47.4 (37.4, 57.4) | 326 (310, 342) |
1
*P < 0.05 and †P < 0.1 (survey t test for binominal groups and the Wald F test for categorical groups). O*NET, Occupational Network.
2
Weighted percentages from survey frequency.
3
1 < O*NET noise scale < 5.