Table 1.
Characteristics and weighted proportions by ANA status and H. pylori serostatus in the adult US population 20+, NHANES 1999–2000
| ANA status | H. pylori Serostatus | ||||||
|---|---|---|---|---|---|---|---|
| Overall | Negative | Positive | Negative | Positive | |||
| Characteristic | n (%) | n (%) | n (%) | P-valuea | n (%) | n (%) | P-valuea |
| 1005 | 899 (90.1) | 116 (9.9) | 541 (66.7) | 464 (33.3) | |||
| Sex | <0.0001 | 0.59 | |||||
| Female | 503 (49.8) | 421 (84.7) | 82 (15.3) | 277 (65.8) | 226 (34.2) | ||
| Male | 502 (50.2) | 468 (95.4) | 34 (4.6) | 264 (67.5) | 238 (32.5) | ||
| Age (years) | 0.009 | 0.004 | |||||
| 20–34 | 251 (30.6) | 226 (92.2) | 25 (7.8) | 171 (75.4) | 80 (24.6) | ||
| 35–59 | 393 (47.5) | 354 (91.8) | 39 (8.2) | 202 (65.6) | 191 (34.4) | ||
| 60+ | 361 (21.9) | 309 (83.3) | 52 (16.7) | 168 (56.9) | 193 (43.1) | ||
| Race/ethnicity | 0.78 | <0.0001 | |||||
| Non-Hispanic White | 461 (71.1) | 412 (90.1) | 49 (9.9) | 337 (76.6) | 124 (23.4) | ||
| Non-Hispanic Black | 167 (9.1) | 148 (87.9) | 19 (12.1) | 78 (50.4) | 89 (49.6) | ||
| Other | 377 (19.8) | 329 (90.7) | 48 (9.3) | 126 (38.5) | 251 (61.5) | ||
| BMI (kg/m2) | 0.29 | 0.40 | |||||
| Normal (<25) | 340 (38.1) | 291 (88.3) | 49 (11.7) | 191 (66.6) | 149 (33.4) | ||
| Overweight (25 to <30) | 363 (33.7) | 328 (89.9) | 35 (10.1) | 190 (64.2) | 173 (35.8) | ||
| Obese (30+) | 302 (28.2) | 270 (92.5) | 32 (7.5) | 160 (69.7) | 142 (30.3) | ||
| Education | 0.04 | <0.0001 | |||||
| Less than high school | 382 (22.9) | 338 (90.2) | 44 (9.8) | 137 (47.8) | 245 (52.2) | ||
| High school | 221 (25.7) | 189 (85.8) | 32 (14.2) | 131 (67.6) | 90 (32.4) | ||
| More than high school | 402 (51.4) | 362 (92.1) | 40 (7.9) | 273 (74.6) | 129 (25.4) | ||
| Ever had ulcer (stomach, duodenal or peptic), N = 1004 | 0.64 | 0.03 | |||||
| No | 903 (89.8) | 797 (90.2) | 106 (9.8) | 492 (68.0) | 411 (32.0) | ||
| Yes | 101 (10.2) | 91 (80.6) | 10 (11.4) | 48 (55.0) | 53 (45.0) | ||
| Proton pump inhibitor medication, N = 997 | 0.20 | 0.45 | |||||
| No | 952 (95.6) | 843 (90.3) | 109 (9.7) | 513 (67.1) | 439 (32.9) | ||
| Yes | 45 (4.4) | 39 (84.1) | 6 (15.9) | 23 (59.7) | 22 (40.3) | ||
a
Rao–Scott χ2.