Comparing psychosocial factors, ethnicity, and urban/rural residency between systemic juvenile arthritis (JA) and control groups.
| Factor | Systemic JRA, n (%) | Controls, n (%) | p | OR (95% CI) |
|---|---|---|---|---|
| Univariate analysis | ||||
| Parents separated (n = 208)* | ||||
| Yes | 4 (21.1) | 18 (9.5) | 0.124 | 2.53 (0.76, 8.45) |
| No | 15 (78.9) | 171 (90.5) | ||
| One or both parents deceased (n = 208) | ||||
| Yes | 0 (0.0) | 2 (1.1) | 0.825 | — |
| No | 19 (100.0) | 187 (98.9) | ||
| Member of family ill (n = 213) | ||||
| Yes | 1 (4.8) | 12 (6.3) | 0.626 | 0.75 (0.09, 6.07) |
| No | 20 (95.2) | 180 (93.8) | ||
| Serious upsets (n = 72) | ||||
| Yes | 2 (10.5) | 1 (1.9) | 0.168 | 6.12 (0.52, 71.76) |
| No | 17 (89.5) | 52 (98.1) | ||
| Significant losses (n = 73) | ||||
| Yes | 0 (0.0) | 4 (7.4) | 0.291 | — |
| No | 19 (100.0) | 50 (92.6) | ||
| Anyone close to the child died (n = 73) | ||||
| Yes | 0 (0.0) | 7 (13.0) | 0.109 | — |
| No | 19 (100.0) | 47 (87.0) | ||
| Have problems getting along with others (n = 211) | ||||
| Yes | 3 (15.8) | 9 (4.7) | 0.081 | 3.81 (0.94, 15.51) |
| No | 16 (84.2) | 183 (95.3) | ||
| Mother employed outside home (n = 209) | ||||
| Yes | 11 (61.1) | 119 (62.3) | 0.921 | 0.95 (0.35, 2.56) |
| No | 7 (38.9) | 72 (37.7) | ||
| Ethnic groups (n = 233) | ||||
| Aboriginal | 7 (18.4) | 11 (5.6) | 0.007 | 3.78 (1.36, 10.49) |
| Caucasian | 31 (81.6) | 184 (94.4) | ||
| Urban/rural residence (n = 235) | ||||
| Rural | 20 (50.0) | 67 (34.4) | 0.062 | 1.91 (0.96, 3.80) |
| Urban | 20 (50.0) | 128 (65.6) | ||
| Lived in a city (n = 221) | ||||
| Yes | 13 (54.2) | 124 (62.9) | 0.403 | 0.70 (0.30, 1.63) |
| No | 11 (45.8) | 73 (37.1) | ||
| Multivariate analysis | ||||
| Parents separated | 0.248 | 2.23 (0.57, 8.71) | ||
| Problems getting along with others | 0.261 | 2.59 (0.49, 13.56) | ||
| Aboriginal | 0.442 | 1.90 (0.37, 9.78) | ||
↵* n values in left column = (number of patients with JA plus number of controls) minus missing data.