Table 1.
Baseline characteristics of all participants were stratified by arthritis
| Characteristic | N 1 | Overall N = 185,247,6492 |
Non-arthritis N = 135,818,8162 |
Arthritis N = 49,428,8332 |
p-value3 |
|---|---|---|---|---|---|
| Age | 16,332 | 48 (33, 61) | 42 (30, 55) | 61 (52, 70) | < 0.001 |
| Gender | 16,332 | < 0.001 | |||
| male | 8081 (49%) | 6273 (52%) | 1808 (40%) | ||
| female | 8251 (51%) | 5592 (48%) | 2659 (60%) | ||
| Race | 16,332 | < 0.001 | |||
| Mexican American | 2163 (8.1%) | 1731 (9.6%) | 432 (4.2%) | ||
| Non-Hispanic White | 6593 (68%) | 4351 (65%) | 2242 (77%) | ||
| Non-Hispanic Black | 3527 (10%) | 2526 (11%) | 1001 (9.3%) | ||
| Other Hispanic | 4049 (14%) | 3257 (15%) | 792 (9.8%) | ||
| Education level | 16,332 | 0.01 | |||
| Below high school | 6959 (35%) | 4870 (35%) | 2089 (38%) | ||
| High School or above | 9373 (65%) | 6995 (65%) | 2378 (62%) | ||
| Married/live with partner | 16,332 | 0.7 | |||
| Yes | 9617 (63%) | 7147 (63%) | 2470 (63%) | ||
| No | 6715 (37%) | 4718 (37%) | 1997 (37%) | ||
| PIR | 16,332 | 2.99 (1.48, 5.00) | 3.00 (1.49, 5.00) | 2.96 (1.46, 5.00) | 0.6 |
| TC | 16,332 | 192± (42) | 191± (41) | 194± (44) | 0.003 |
| Smoking | 16,332 | < 0.001 | |||
| Yes | 7240 (45%) | 4817 (41%) | 2423 (54%) | ||
| No | 9092 (55%) | 7048 (59%) | 2044 (46%) | ||
| Drinking | 16,332 | < 0.001 | |||
| Yes | 10,939 (73%) | 8153 (74%) | 2786 (69%) | ||
| No | 5393 (27%) | 3712 (26%) | 1681 (31%) | ||
| DM | 16,332 | < 0.001 | |||
| Yes | 3096 (14%) | 1730 (11%) | 1366 (24%) | ||
| No | 13,236 (86%) | 10,135 (89%) | 3101 (76%) | ||
| HP | 16,332 | < 0.001 | |||
| Yes | 7587 (42%) | 4474 (33%) | 3113 (64%) | ||
| No | 8745 (58%) | 7391 (67%) | 1354 (36%) | ||
| LS7 | 16,332 | 8.29± (2.43) | 8.72± (2.36) | 7.13± (2.24) | < 0.001 |
| LS7 | 16,332 | < 0.001 | |||
| T1 | 6870 (37%) | 4077 (30%) | 2793 (56%) | ||
| T2 | 4752 (30%) | 3612 (30%) | 1140 (29%) | ||
| T3 | 4710 (33%) | 4176 (40%) | 534 (15%) | ||
| BFP | 16,332 | 35± (10) | 34± (10) | 40± (9) | < 0.001 |
| T1 | 5399 (33%) | 4628 (39%) | 771 (18%) | ||
| T2 | 5127 (33%) | 3789 (34%) | 1338 (31%) | ||
| T3 | 5806 (34%) | 3448 (28%) | 2358 (51%) | ||
|
1 N not Missing (unweighted) 2 n (unweighted) (%); Mean± (SD); Median (p25, p75) 3 Pearson’s X^2: Rao & Scott adjustment; Design-based KruskalWallis test | |||||
Continuous variables that followed a normal distribution were evaluated using weighted t-tests, whereas those that were not normally distributed were analyzed through the weighted Wilcoxon rank-sum test
Percentages (weighted N, %) for categorical variables: the P value was calculated by the weighted chi-square test
Abbreviation: PIR, Ratio of family income to poverty; TC, Total cholesterol; DM, Diabetes; HP, hypertension; LS7, Life’s Simple 7; BFP, Body Fat Percentage