Table 1.
Descriptive statistics of cases by energy-adjusted dietary inflammatory index quartile, Carolina Head and Neck Cancer (CHANCE) Study, 2001 to 2007.
| Cases
|
Control
|
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|---|---|---|---|---|---|---|---|---|---|---|
| Q1 N = 116 |
Q2 N =187 |
Q3 N = 399 |
Q4 N = 566 |
Q1 N = 342 |
Q2 N =344 |
Q3 N = 343 |
Q4 N = 343 |
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| N (%) | N (%) | N (%) | N (%) | p-value* | N (%) | N (%) | N (%) | N (%) | p-value* | |
| Age | ||||||||||
| ≤ 50 | 16 (13.8) | 25 (13.4) | 79 (23.5) | 162 (25.8) | <0.001 | 23 (6.7) | 43 (12.5) | 54 (15.7) | 66 (19.2) | <0.001 |
| 51 – 65 | 50 (43.1) | 101 (54.0) | 165 (49.1) | 324 (51.5) | 134 (39.2) | 140 (40.7) | 137 (39.9) | 162 (47.2) | ||
| 66+ | 50 (43.1) | 61 (32.6) | 92 (27.4) | 143 (22.7) | 185 (54.1) | 161 (46.8) | 152 (44.3) | 115 (33.5) | ||
| Sex | ||||||||||
| Male | 70 (60.3) | 120 (64.2) | 247 (73.5) | 529 (84.1) | <0.001 | 196 (57.3) | 228 (66.3) | 244 (71.1) | 277 (80.8) | <0.001 |
| Female | 46 (39.7) | 67 (35.8) | 89 (26.5) | 100 (15.9) | 146 (42.7) | 116 (33.7) | 99 (28.9) | 66 (19.2) | ||
| Race | ||||||||||
| White | 105 (90.5) | 150 (80.2) | 255 (75.9) | 432 (68.7) | <0.001 | 295 (86.3) | 291 (84.6) | 270 (78.7) | 240 (70.0) | <0.001 |
| Black | 8 (6.9) | 35 (18.7) | 70 (20.8) | 188 (29.9) | 39 (11.4) | 49 (14.2) | 69 (20.1) | 102 (29.7) | ||
| Other | 3 (2.6) | 2 (1.1) | 11 (3.3) | 9 (1.4) | 8 (2.3) | 4 (1.2) | 4 (1.2) | 1 (0.3) | ||
| Smoking | ||||||||||
| < 10 pack-years | 45 (39.1) | 50 (26.9) | 69 (20.6) | 110 (17.5) | <0.001 | 228 (66.7) | 211 (61.3) | 166 (48.4) | 156 (45.5) | <0.001 |
| ≥ 10 pack-years | 70 (60.9) | 136 (73.1) | 266 (79.4) | 518 (82.5) | 114 (33.3) | 131 (38.1) | 177 (51.6) | 186 (54.2) | ||
| Missing | 1 | 1 | 1 | 1 | 0 | 2 | 0 | 1 | ||
| Income | ||||||||||
| >$50,000 | 53 (49.5) | 61 (34.7) | 101 (30.8) | 142 (23.3) | <0.001 | 155 (45.3) | 166 (48.3) | 146 (42.6) | 118 (34.4) | <0.001 |
| $20,000 – $50,000 | 38 (35.5) | 55 (31.2) | 122 (37.2) | 220 (36.1) | 125 (36.5) | 113 (32.8) | 115 (33.5) | 130 (37.9) | ||
| <$20,000 | 16 (15.0) | 60 (34.1) | 105 (32.0) | 248 (40.7) | 42 (12.3) | 53 (15.4) | 69 (20.1) | 90 (26.2) | ||
| Missing | 9 | 11 | 8 | 19 | 20 | 12 | 13 | 5 | ||
| Education | ||||||||||
| Less than high school | 15 (12.9) | 40 (21.4) | 91 (27.1) | 270 (42.9) | <0.001 | 31 (9.1) | 32 (9.3) | 60 (17.5) | 89 (25.9) | <0.001 |
| High school | 26 (22.4) | 44 (23.5) | 92 (27.4) | 199 (31.6) | 61 (17.8) | 77 (22.4) | 83 (24.2) | 106 (30.9) | ||
| Greater than high school | 75 (64.7) | 103 (55.1) | 153 (45.5) | 160 (25.4) | 250 (73.1) | 235 (68.3) | 200 (58.3) | 148 (43.1) | ||
| Site | ||||||||||
| Hypopharynx | 2 (1.7) | 8 (4.3) | 18 (5.4) | 27 (4.3) | 0.06 | — | — | — | — | — |
| Larynx | 29 (25.0) | 65 (34.8) | 112 (33.3) | 239 (38.0) | — | — | — | — | ||
| Oral cavity | 19 (16.4) | 39 (20.9) | 50 (14.9) | 87 (13.8) | — | — | — | — | ||
| Oropharynx | 36 (31.0) | 40 (21.4) | 94 (28.0) | 173 (27.5) | — | — | — | — | ||
| NOS | 30 (25.9) | 35 (18.7) | 62 (18.5) | 103 (16.4) | — | — | — | — | ||
| Total Lifetime Alcohol | ||||||||||
| Q1 | 16 (14.7) | 22 (12.4) | 36 (11.1) | 60 (10.2) | <0.001 | 73 (21.3) | 94 (27.3) | 87 (25.4) | 73 (21.3) | <0.001 |
| Q2 | 18 (16.5) | 29 (16.3) | 33 (10.2) | 58 (9.8) | 100 (29.2) | 84 (24.4) | 70 (20.4) | 78 (22.7) | ||
| Q3 | 40 (36.7) | 42 (23.6) | 69 (21.3) | 84 (14.2) | 107 (31.3) | 84 (24.4) | 75 (21.9) | 68 (19.8) | ||
| Q4 | 35 (32.1) | 85 (47.8) | 186 (57.4) | 389 (65.8) | 55 (16.1) | 71 (20.6) | 101 (29.4) | 108 (31.5) | ||
| Missing | 7 | 9 | 12 | 38 | 7 | 11 | 10 | 16 | ||
*
Test between E-DII quartiles
NOS: Not Otherwise Specified