Comparing psychosocial factors, ethnicity, and rural/urban residency between entire juvenile arthritis (JA) and control groups.
| Factor | Entire JA Population, n (%) | Controls, n (%) | p | OR (95% CI) |
|---|---|---|---|---|
| Univariate analysis | ||||
| Parents separated (n = 1175)* | ||||
| Yes | 40 (17.0) | 89 (9.5) | < 0.001 | 1.96 (1.31, 2.94) |
| No | 195 (83.0) | 851 (90.5) | ||
| One or both parents deceased (n = 1174) | ||||
| Yes | 3 (1.3) | 5 (0.5) | 0.212 | 2.43 (0.58, 10.24) |
| No | 231 (98.7) | 935 (99.5) | ||
| Family currently ill (n = 1199) | ||||
| Yes | 31 (12.9) | 58 (6.1) | < 0.0001 | 2.29 (1.44, 3.63) |
| No | 210 (87.1) | 900 (93.9) | ||
| Serious upsets (n = 549) | ||||
| Yes | 29 (12.4) | 9 (2.9) | < 0.0001 | 4.81 (2.23, 10.37) |
| No | 205 (87.6) | 306 (97.1) | ||
| Significant losses (n = 548) | ||||
| Yes | 6 (2.6) | 8 (2.5) | 0.968 | 1.02 (0.35, 2.99) |
| No | 226 (97.4) | 308 (97.5) | ||
| Anyone close to the child died (n = 556) | ||||
| Yes | 20 (8.5) | 34 (10.6) | 0.397 | 0.78 (0.44, 1.39) |
| No | 216 (91.5) | 286 (89.4) | ||
| Problems getting along with others (n = 1183) | ||||
| Yes | 35 (14.7) | 60 (6.3) | < 0.0001 | 2.54 (1.63, 3.96) |
| No | 203 (85.3) | 885 (93.7) | ||
| Mother employed outside home (n = 1179) | ||||
| Yes | 130 (55.8) | 627 (66.3) | 0.003 | 0.64 (0.48, 0.86) |
| No | 103 (44.2) | 319 (33.7) | ||
| Ethnic groups (n = 1294) | ||||
| Aboriginal | 48 (14.9) | 33 (3.4) | < 0.0001 | 4.96 (3.12, 7.88) |
| Caucasian or other | 275 (85.1) | 938 (96.6) | ||
| Urban/rural residence (n = 1340) | ||||
| Rural | 176 (47.3) | 478 (49.4) | 0.498 | 0.92 (0.73, 1.17) |
| Urban | 196 (52.7) | 490 (50.6) | ||
| Lived in a city (n = 1251) | ||||
| Yes | 134 (49.3) | 494 (50.5) | 0.727 | 0.95 (0.73, 1.25) |
| No | 138 (50.7) | 485 (49.5) | ||
| Multivariate analysis | ||||
| Parents separated | 0.042 | 1.65 (1.02, 2.67) | ||
| Member of family ill | 0.012 | 1.94 (1.16, 3.26) | ||
| Mother employed outside home | 0.009 | 0.65 (0.47, 0.90) | ||
| Problems getting along with others | 0.001 | 2.37 (1.46, 3.85) | ||
| Aboriginal | 0.004 | 2.45 (1.34, 4.46) | ||
↵* n values in left column = (number of patients with JA plus number of controls) minus missing data.