Table 1.
Characteristics of Arthritis Visits by Depression Status
| Characteristics | Weighted to all ambulatory US visits* | |||
|---|---|---|---|---|
| All visits n = 644,419,374 | Not depressed n = 560,845,247 (87 %) | Depressed n = 83,574,127 (13 %) | p value | |
| Age | < 0.0001 | |||
| 0–30 | 25,841,220 (4) | 23,585,750 (4) | 2,255,468 (.4) | |
| 31–50 | 116,446,600 (18) | 96,534,020 (15) | 19,977,000 (3) | |
| 51–70 | 278,969,100 (43) | 240,046,200 (37) | 38,922,930 (6) | |
| ≥ 70 | 223,162,400 (35) | 200,736,600 (31) | 22,425,790 (3) | |
| Sex | < 0.0001 | |||
| Female | 413,781,700 (64) | 350,693,000 (54) | 63,088,660 (10) | |
| Male | 230,637,700 (36) | 210,145,200 (33) | 20,492,540 (3) | |
| Race | < 0.0001 | |||
| White | 555,876,200 (86) | 478,996,900 (74) | 76,943,670 (12) | |
| African American | 63,733,080 (10) | 59,093,260 (9) | 4,704,261 (1) | |
| Other | 24,745,700 (4) | 22,812,450 (4) | 1,997,700 (1) | |
| Ethnicity† | 0.25 | |||
| Hispanic | 56,837,790 (9) | 50,329,150 (8) | 6,508,636 (1) | |
| Non-Hispanic | 587,581,600 (91) | 510,057,900 (79) | 77,459,210 (12) | |
| Geographic region | 0.05 | |||
| Northeast | 121,730,800 (19) | 104,331,500 (16) | 17,399,320 (3) | |
| Midwest | 158,462,700 (25) | 135,392,500 (21) | 23,134,660 (4) | |
| South | 238,370,700 (37) | 211,498,400 (33) | 26,872,290 (4) | |
| West | 125,855,100 (20) | 109,680,200 (17) | 16,174,930 (3) | |
| Physician specialty | < 0.0001 | |||
| Primary care | 296,239,600 (46) | 250,421,400 (39) | 45,818,220 (7) | |
| Surgical specialty | 211,047,300 (33) | 195,839,000 (30) | 15,272,740 (2) | |
| Medical specialty | 137,132,400 (21) | 114,577,800 (18) | 22,554,680 (4) | |
*Values are numbers (percentages). Some column totals may not equal 100 % due to estimation and rounding
†Ethnicity with 28 % of missing data imputed