Table 3.
Distribution of baseline characteristics ccross RC Quartiles.
| Characteristics | RC levels quartiles, mg/dl | P-value | |||
|---|---|---|---|---|---|
| Q1 | Q2 | Q3 | Q4 | ||
| 2–12 (n = 1351, 27.76%) | 13–18 (n = 1144, 23.51%) | 19–27 (n = 1195, 24.56%) | 28–99 (n = 1176, 24.17%) | ||
| Age | < 0.0001 | ||||
| 18–34 | 263 (43.77) | 141 (33.41) | 111 (23.65) | 96 (17.56) | |
| 35–49 | 125 (21.08) | 114 (20.33) | 119 (23.33) | 148 (28.59) | |
| 50–64 | 124 (22.39) | 170 (28.86) | 192 (25.74) | 200 (31.95) | |
| > = 65 | 121 (12.75) | 136 (17.40) | 178 (27.29) | 149 (21.90) | |
| Sex | 0.08 | ||||
| Female | 367 (57.09) | 311 (52.12) | 300 (50.85) | 272 (45.35) | |
| Male | 266 (42.91) | 250 (47.88) | 300 (49.15) | 321 (54.65) | |
| Ethnicity | < 0.001 | ||||
| White | 193 (60.30) | 182 (62.92) | 199 (60.43) | 226 (64.17) | |
| Black | 221 (17.75) | 145 (11.92) | 107 (9.10) | 61 (5.27) | |
| Hispanics/Latin Americans | 58 (6.34) | 78 (9.48) | 105 (11.03) | 113 (12.73) | |
| Asian | 43 (6.21) | 46 (5.83) | 74 (8.70) | 64 (6.23) | |
| Other | 118 (9.40) | 110 (9.85) | 115 (10.75) | 129 (11.60) | |
| Educational level | 0.02 | ||||
| Less than High school | 103 (9.04) | 94 (9.22) | 156 (16.54) | 144 (13.75) | |
| High school graduate or GED | 373 (58.70) | 345 (59.24) | 302 (58.45) | 329 (61.35) | |
| Some college or above | 157 (32.27) | 122 (31.55) | 142 (25.00) | 120 (24.90) | |
| Poverty income ratio | 0.36 | ||||
| < 1.30 | 177 (19.62) | 146 (18.98) | 177 (23.50) | 177 (22.37) | |
| 1.30–3.49 | 251 (35.65) | 259 (38.87) | 253 (39.74) | 254 (38.28) | |
| > = 3.50 | 205 (44.73) | 156 (42.15) | 170 (36.76) | 162 (39.35) | |
n(%) for categorical variables.