Table 1.
Participant Characteristics
| Descriptors | Categories | Count | Percent ( 95% CI) |
|---|---|---|---|
| Race | NH-W | 146 | 65.3 (54.8 – 75.6) |
| NH – B | 258 | 17.6 (12.2 – 22.9) | |
| Mexican American | 267 | 7.9 (5.1 – 10.6) | |
| Other | 34 | 9.3(3.6 – 15.0) | |
| Census Region | Northeast | 61 | 17.2 (9.3 – 25.1) |
| Midwest | 153 | 27.4 (17.6 – 37.2) | |
| South | 272 | 32.9 (20.9 – 44.9) | |
| West | 219 | 22.5 (8.5 – 36.5) | |
| Exam Session | Morning | 271 | 30.7 (24.9 – 36.6) |
| Afternoon | 249 | 39.1 (34.2 – 44.1) | |
| Evening | 185 | 30.1 (23.9 – 36.3) | |
| Breast Stage (B) | B 1 | 191 | 53.8 (46.5 – 61.0) |
| B 2 | 127 | 29.8 (21.4 – 38.1) | |
| B 3 | 61 | 10.6 (3.8 – 17.3) | |
| B 4+ | 38 | 5.9 (3.2 – 8.5) | |
| Pubic Hair (PH) | PH 1 | 209 | 55.7 (47.5 – 64.0) |
| PH 2 | 95 | 23.4 (16.5 – 30.4) | |
| PH 3 | 72 | 15.8 (5.4 – 26.3) | |
| PH4+ | 35 | 5.0 (2.3 – 7.7) | |
| Menarcheal Status | Post-menarcheal | 35 | 3.9 (1.8 – 6.0) |
| PIR | <1 | 301 | 53.1 (44.0 – 62.2) |
| 1-2 | 160 | 37.0 (27.0 – 47.0) | |
| 2 + | 50 | 9.9 (4.0 – 15.7) | |
| Anemia and Iron Deficiency* | Anemic (count) | 80 | 7.7 (4.7 – 10.6) |
| Iron Deficient | 32 | 2.3 (0.4 – 4.2) | |
| Health Rating | Excellent | 233 | 43.3 (35.1 – 51.6) |
| Very Good | 188 | 30.1 (24.1 – 36.2) | |
| Good | 213 | 23.3 (18.4 – 28.2) | |
| Fair | 69 | 3.1 (1.7 – 4.5) | |
| Poor | 2 | 0.1 (0.0 – 0.3) | |
Abbreviations: NHW – Non Hispanic white; NHB- Non Hispanic black; PIR- Poverty Income Ratio.
Iron deficiency was defined as 2 out of 3 measures below age-specific cutoff values for transferrin saturation, serum ferritin, and erythrocyte protoporphyrin according to the guidelines provided by the Centers for Disease Control and Prevention. Anemia was defined as hemoglobin value ≤ the 5th percentile for age.