Table 1 Baseline demographic and social characteristics of RACER cohort segregated by RA disease activity
Category | Level | Total n, % | High DAa n, % | Low DA n, % | Chi-square p-value |
|---|---|---|---|---|---|
All | 729, 100% | 326, 45% | 403, 55% | ||
Gender | Female | 569, 78% | 261, 80% | 308, 76% | 0.2385 |
Age at Baseline Visit | N, Mean (sd) | 729, 59.5 (12.7) | 326, 59.7 (12.8) | 403, 59.3 (12.7) | 0.6353 |
BMI (kg/m2) | N, Mean (sd) | 698, 29.2 (6.3) | 316, 30.1 (6.8) | 382, 28.5 (5.7) | 0.0011* |
Race | White | 650, 89% | 281, 86% | 369, 92% | 0.0598 |
Smoking | Yes | 103, 14% | 56, 17% | 47, 12% | 0.0347 |
Drinking | Yes | 379, 52% | 152, 47% | 227, 56% | 0.0091* |
Education Level | < High School | 33, 5% | 21, 6% | 12, 3% | |
High School | 433, 59% | 208, 64% | 225, 56% | ||
College | 164, 22% | 58, 18% | 106, 26% | ||
Graduate | 98, 13% | 39, 12% | 59, 15% | 0.0037* | |
Employment Status | Working | 242, 33% | 87, 27% | 155, 38% | |
Retired | 308, 42% | 145, 44% | 163, 0% | ||
Not working | 64, 9% | 30, 9% | 34, 8% | ||
Disabled | 104, 14% | 59, 18% | 45, 11% | 0.0024* | |
Marital Status | Married | 414, 57% | 171, 52% | 243, 60% | |
Single | 101, 14% | 46, 14% | 55, 14% | ||
Separated; Divorced; Widowed | 214, 29% | 109, 33% | 105, 26% | 0.0698 | |
Annual income | 0-25 k | 177, 24% | 99, 30% | 78, 19% | |
25 k-50 k | 172, 24% | 74, 23% | 98, 24% | ||
50 k-75 k | 98, 13% | 45, 14% | 53, 13% | ||
75 k-100 k | 65, 9% | 22, 7% | 43, 11% | ||
> 100 k | 62, 9% | 20, 6% | 42, 10% | 0.0028* | |
Private Insurance | Yes | 631, 87% | 260, 80% | 371, 92% | < 0.0001* |
Medicaid | Yes | 69, 9% | 45, 14% | 24, 6% | 0.0003* |