Table 1.
Prevalence of demographic factors by Staphylococcus aureus colonization status
| None | MSSA | MRSA | |
|---|---|---|---|
| Demographics | n (%) | n (%) | n (%) |
| Total | 13,220 (69.5) | 5198 (29.3) | 208 (1.2) |
| Age *** | |||
| 1–17 | 5419 (63.8) | 2521 (35.3) | 72 (0.9) |
| 18–29 | 2063 (69.4) | 819 (29.7) | 19 (0.9) |
| 30–49 | 2336 (70.8) | 855 (28.4) | 29 (0.8) |
| 50–69 | 1919 (71.8) | 631 (26.2) | 43 (1.9) |
| 70 + | 1483 (76.9) | 372 (21.0) | 45 (2.1) |
| Sex *** | |||
| Male | 6211 (66.2) | 2794 (32.9) | 93 (1.0) |
| Female | 7009 (72.7) | 2404 (25.9) | 115 (1.4) |
| Race *** | |||
| White | 5293 (68.4) | 2254 (30.3) | 102 (1.3) |
| Mexican | 3334 (71.2) | 1287 (28.1) | 33 (0.7) |
| Other Hispanic | 471 (64.1) | 265 (35.7) | 2 (0.2) |
| Black | 3559 (75.3) | 1196 (23.3) | 64 (1.4) |
| Other | 563 (73.3) | 196 (25.8) | 7 (0.9) |
| Education ** | |||
| < High School Diploma | 6063 (66.0) | 2753 (32.8) | 93 (1.2) |
| High School Diploma | 1971 (72.2) | 695 (26.5) | 30 (1.3) |
| > High School Diploma | 3317 (70.0) | 1239 (28.9) | 54 (1.1) |
| Income * | |||
| < 200% FPL | 6475 (69.9) | 2491 (28.6) | 121 (1.5) |
| ≥ 200% FPL | 5829 (69.6) | 2344 (29.5) | 72 (0.9) |
| Smoking *** | |||
| Current Smoker | 2105 (75.1) | 664 (23.8) | 31 (1.1) |
| Former Smoker | 2217 (70.4) | 771 (27.5) | 57 (2.1) |
| Never Smoker | 8877 (67.4) | 3781 (31.7) | 120 (0.9) |
| Metals | GM (95% CI) | GM (95% CI) | GM (95% CI) |
| Blood Lead ug/dL | 1.50 (1.48, 1.52) | 1.43 (1.40, 1.45) | 1.74 (1.58, 1.93) |
| Blood Cadmium ug/L | 0.30 (0.30, 0.31) | 0.27 (0.26, 0.28) | 0.31 (0.28, 0.35) |
| Diet | Mean (95% CI) | Mean (95% CI) | Mean (95% CI) |
| Iron g | 14.89 (14.73, 15.05) | 15.52 (15.25, 15.79) | 16.13 (14.71, 17.55) |
| Calcium g | 875.25 (864.87, 885.64) | 922.35 (905.00, 939.70) | 876.08 (792.21, 959.95) |
| Vitamin C g | 97.95 (96.4, 99.86) | 94.22 (91.44, 97.00) | 112.78 (94.16, 131.40) |
| Fruits and Vegetables g | 372.23 (363.41, 381.04) | 340.60 (327.31, 353.89) | 410.52 (338.23, 482.81) |
*P ≤ 0.05;**P ≤ 0.005; ***P ≤ 0.0005. Data from NHANES 2001–2004, n = 18,626. Percentages are adjusted using survey weights to be representative of the United States population. Abbreviations: NHANES – National Health and Nutrition Examination Survey; MSSA – Methicillin-susceptible Staphylococcus aureus; MRSA – Methicillin-resistant Staphylococcus aureus; FPL – Federal Poverty Level; GM – Geometric mean; CI – Confidence interval