Table 2.
Weighted selected characteristics of study population in female and male, NHANES (Weighted N = 40,804,313).
| Characteristics | Total | No-OA | OA | P value |
|---|---|---|---|---|
| Sex, n (%) | ||||
| Female | 1993 (49.76) | 1676 (53.74) | 317 (38.42) | Ref |
| Male | 1713 (50.24) | 1194 (46.26) | 519 (61.58) | < 0.0001 |
| Age (year), mean (SD) | 61.80 (0.19) | 60.81 (0.21) | 64.6 1(0.36) | < 0.0001 |
| BMI, mean (SD) | 28.42 (0.13) | 27.94 (0.14) | 29.78 (0.26) | < 0.0001 |
| Race/ethnicity, n (%) | ||||
| White | 1946 (79.11) | 1382 (76.61) | 564 (86.24) | Ref |
| Mexican | 462 ( 3.88) | 396 (4.47) | 66 (2.19) | < 0.0001 |
| Black | 624 ( 7.65) | 521 (8.61) | 103 (4.90) | < 0.0001 |
| Other | 674 ( 9.37) | 571 (10.31) | 103 (6.68) | < 0.0001 |
| Marital status, n (%) | ||||
| Married | 2282 (66.44) | 1778 (66.57) | 504 (66.05) | Ref |
| Living with partner | 133 ( 3.22) | 108 (3.48) | 25 (2.49) | 0.431 |
| Separated | 108 ( 1.61) | 96 (1.94) | 12 (0.67) | 0.019 |
| Divorced | 510 (13.48) | 397 (13.64) | 113 (13.01) | 0.975 |
| Widowed | 425 ( 9.16) | 290 ( 7.96) | 135 (12.58) | < 0.0001 |
| Never married | 248 ( 6.09) | 201 (6.41) | 47 (5.19) | 0.316 |
| Education, n (%) | ||||
| Under high school | 768 (11.11) | 637 (11.51) | 131( 9.96) | Ref |
| High school or equivalent | 837 (23.19) | 636 (23.68) | 201 (21.80) | 0.002 |
| Above high school | 2101 (65.70) | 1597 (64.81) | 504 (68.24) | < 0.0001 |
| Poverty, mean (SD) | 3.51 (0.05) | 3.52 (0.05) | 3.45 (0.10) | 0.43 |
| Smoking, n (%) | ||||
| Never | 1849 (50.86) | 1455 (52.02) | 394 (47.54) | Ref |
| Former | 1312 (35.04) | 982 (33.55) | 330 (39.31) | 0.026 |
| Now | 545 (14.10) | 433 (14.44) | 112 (13.15) | 0.735 |
| Alcohol intake, n (%) | ||||
| Never | 488 (10.48) | 379 (10.34) | 109 (10.88) | Ref |
| Former | 732 (15.24) | 572 (15.48) | 160 (14.57) | 0.862 |
| Mild | 1625 (48.59) | 1223 (47.07) | 402 (52.92) | 0.344 |
| Moderate | 463 (14.56) | 358 (14.79) | 105 (13.88) | 0.912 |
| Heavy | 398 (11.13) | 338 (12.32) | 60 ( 7.74) | 0.015 |
| Hypertension, n (%) | ||||
| No | 1549 (46.28) | 1274 (49.29) | 275 (37.68) | Ref |
| Yes | 2157 (53.72) | 1596 (50.71) | 561 (62.32) | < 0.0001 |
| Diabetes, n (%) | ||||
| No | 3091 (87.65) | 2405 (88.31) | 686 (85.75) | Ref |
| Yes | 615 (12.35) | 465 (11.69) | 150 (14.25) | 0.295 |
| Cancer, n (%) | ||||
| No | 3154 (83.75) | 2485 (85.47) | 669 (78.85) | Ref |
| Yes | 552 (16.25) | 385 (14.53) | 167 (21.15) | < 0.0001 |
| Physical activity (MET/week), mean (SD) | 3103.84 (101.91) | 3149.90 (116.79) | 2972.47 (192.50) | 0.42 |
| Atherosclerosis, n (%) | ||||
| No | 974 (24.99) | 883 (30.07) | 91 (10.51) | Ref |
| Unknown | 2728 (74.93) | 1984 (69.85) | 744 (89.43) | < 0.0001 |
| Yes | 4 (0.08) | 3 (0.08) | 1 (0.06) | 0.328 |
| TG (mg/dl), mean (SD) | 123.50 (1.65) | 122.10 (1.90) | 127.51 (3.02) | 0.12 |
| TC (mg/dl), mean (SD) | 201.47 (0.91) | 202.39 (1.04) | 198.84 (1.72) | 0.07 |
| HDL (mg/dl), mean (SD) | 57.43 (0.48) | 56.90 (0.55) | 58.95 (0.75) | 0.02 |
| LDL (mg/dl), mean (SD) | 119.33 (0.79) | 121.07 (0.88) | 114.39 (1.53) | < 0.001 |