Table 3.

Comparing psychosocial factors, ethnicity, and urban/rural residency between oligoarticular juvenile arthritis (JA) and control groups.

FactorOligoarticular JA, n (%)Controls, n (%)pOR (95% CI)
Univariate analysis
Parents separated (n = 631)*
  Yes18 (13.0)39 (7.9)0.0631.75 (0.96, 3.16)
  No120 (87.0)454 (92.1)
One or both parents deceased (n = 631)
  Yes1 (0.7)2 (0.4)0.6301.79 (0.16, 19.91)
  No137 (99.3)491 (99.6)
Member of family ill (n = 639)
  Yes21 (14.9)22 (4.4)< 0.00013.79 (2.02, 7.11)
  No120 (85.1)476 (95.6)
Serious upsets (n = 283)
  Yes17 (12.7)6 (4.0)0.0083.46 (1.32, 9.06)
  No117 (87.3)143 (96.0)
Significant losses (n = 284)
  Yes3 (2.2)3 (2.0)0.9031.11 (0.22, 5.57)
  No132 (97.8)146 (98.0)
Anyone close to the child died (n =286)
  Yes9 (6.6)15 (10.1)0.2870.63 (0.26, 1.49)
  No128 (93.4)134 (89.9)
Problems getting along with others (n = 627)
  Yes20 (14.6)24 (4.9)< 0.00013.32 (1.77, 6.21)
  No117 (85.4)466 (95.1)
Mother employed outside home (n = 634)
  Yes84 (60.9)322 (64.9)0.3810.84 (0.57, 1.24)
  No54 (39.1)174 (35.1)
Ethnic groups (n = 694)
  Aboriginal15 (8.0)17 (3.4)0.0092.51 (1.23, 5.14)
  Caucasian or other172 (92.0)490 (96.6)
Lived in a city (n = 664)
  Yes85 (55.6)274 (53.6)0.6731.08 (0.75, 1.55)
  No68 (44.4)237 (46.4)
Urban/rural residence (n = 719)
  Rural89 (41.8)236 (46.6)0.2320.82 (0.59, 1.13)
  Urban124 (58.2)270 (53.4)
Multivariate analysis
  Parents separated0.2301.52 (0.77, 2.99)
  Member of family ill0.0013.16 (1.61, 6.22)
  Problems getting along with others< 0.00013.42 (1.80, 6.52)
  Aboriginal0.7921.14 (0.42, 3.14)
  • * n values in left column = (number of patients with JA plus number of controls) minus missing data.