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Table 1 Population weighted proportions of WACHS children who were hospitalised with at least one episode of deliberate self-harm between interview in 1993 and December 31 2007, by selected items from the WACHS

From: Antecedents of hospital admission for deliberate self-harm from a 14-year follow-up study using data-linkage

  Hospitalised for DSH (n = 37) Not hospitalised for DSH (n = 2,699)
  Estimate (95% CI) Estimate (95% CI)
Child level factors   
Sex   
--Male 30.3% (14.3%-51.8%) 50.1% (48.0%-52.3%)
--Female 69.7% (48.2%-85.7%) 49.9% (47.7%-52.0%)
Emotional problems   
-No emotional problems 53.8% (35.7%-73.6%)* 79.7% (77.7%-81.6%)*
-Emotional problems NOT more than other children 9.1% (1.7%-21.9%) 8.4% (7.3%-9.7%)
-Emotional problems MORE than other children 37.0% (18.8%-59.4%)* 10.0% (8.6%-11.6%)*
CBCL Total Score:   
-Normal 63.3% (43.9%-80.1%) 79.0% (77.1%-80.8%)
-Abnormal 28.6% (13.7%-46.7%) 16.7% (15.0%-18.5%)
CBCL: Delinquent Behavior Score:   
-Normal 64.3% (43.9%-80.1%) 86.8% (85.2%-88.3%)
-Abnormal 27.6% (13.7%-46.7%)* 8.9% (7.7%-10.2%)*
Ever breastfed   
-No 12.7% (4.1%-26.2%) 15.9% (13.8%-18.2%)
-Yes 87.3% (73.8%-95.9%) 83.8% (81.5%-85.9%)
Birth weight   
-Under 2500 g 0.0% (0.0%-1.3%) 3.5% (2.7%-4.4%)
-2500 g and over 71.3% (49.8%-86.2%) 59.4% (56.6%-62.3%)
-Not known 28.7% (13.8%-50.2%) 37.1% (34.3%-39.9%)
IQ score 1993   
51-79 6.3% (1.4%-18.3%) 8.8% (7.6%-10.3%)
80-119 45.8% (26.4%-64.3%) 51.6% (49.1%-54.1%)
120-149 4.8% (1.1%-14.6%) 9.8% (8.4%-11.4%)
Carer level factors   
Carer smoking status   
-Non-smoker 48.0% (26.6%-66.6%)* 74.6% (71.5%-77.5%)*
-Current smoker 52.0% (33.4%-73.4%)* 24.8% (21.9%-27.9%)*
Highest school year completed by child's carer   
-Year 9 or lower 16.0% (3.6%-41.4%) 13.2% (11.1%-15.6%)
-Year 10 or higher 84.0% (60.4%-96.6%) 85.8% (83.3%-88.0%)
Government benefit card status of child's carer   
-No benefit card 53.8% (36.0%-72.7%) 62.9% (59.3%-66.5%)
-Holds benefit card 46.2% (27.3%-64.0%) 36.5% (32.9%-40.0%)
Carer reported lifetime treatment for mental health problems as at 1993   
-Yes, have been treated 29.3% (12.7%-47.2%) 11.4% (9.6%-13.3%)
-No, never treated 70.7% (52.8%-87.3%) 87.9% (85.9%-89.8%)
Parenting style   
-Encouraging 23.4% (11.8%-41.2%)* 49.4% (46.9%-52.0%)*
-Coercive 6.8% (1.3%-17.2%) 5.1% (4.2%-6.1%)
-Neutral 16.0% (3.0%-36.3%) 7.0% (5.8%-8.3%)
-Inconsistent 53.8% (34.7%-70.9%) 38.2% (35.6%-40.8%)
Importance of religion to carer   
-Very important 16.1% (7.0%-31.4%) 20.8% (18.2%-23.6%)
-Reasonably important 52.9% (33.1%-69.8%) 33.6% (30.8%-36.4%
-Not important at all 22.9% (7.1%-42.2%) 40.0% (36.7%-43.4%)
Maternal age at birth   
- < 20 years 27.5% (11.6%-47.8% 5.6% (4.2%-7.1%)*
- > = 20 years 72.5% (52.2%-88.4%)* 93.4% (91.7%-94.8%)*
Family level factors   
Family type   
-Original 46.2% (25.5%-64.7% 74.2% (70.9%-77.2%)*
-Step/blended 28.8% (10.7%-50.2%) 9.3% (7.7%-11.1%)
-Sole parent 25.0% (9.1%-51.2%) 16.5% (13.8%-19.4%)
Combined weekly income of child's carers (1993 Australian dollars)   
-Low (<$600) 42.3% (26.4%-62.3%) 38.8% (35.2%-42.7%)
-Medium ($600-$1,100) 34.8% (19.7%-53.5%) 38.9% (35.6%-42.4%)
-High (>$1,100) 16.1% (6.4%-32.8%) 14.8% (12.3%-17.5%)
Family functioning (FAD)   
-Good 87.1% (66.9%-98.7%) 86.5% (84.2%-88.5%)
-Poor 0.5% (0.0%-3.8%) 0.3% (0.1%-0.7%)
School level factors   
Teacher rated academic performance at school   
-Far below age 4.2% (0.6%-15.8%) 2.1% (1.5%-2.8%)
-Somewhat below age 5.7% (0.6%-16.5%) 11.8% (10.3%-13.6%)
-At age level 37.7% (18.0%-57.5%) 33.4% (31.3%-35.7%)
-Somewhat above age 12.9% (4.4%-28.1%) 19.4% (17.5%-21.5%)
-Far above age 0.0% (0.0%-1.3%) 4.3% (3.4%-5.4%)
Community level factors   
Metropolitan or rural residence   
-Metro 71.4% (50.6%-85.3%) 69.3% (63.9%-74.2%)
-Rural 20.5% (10.5%-35.0%) 26.3% (22.4%-30.4%)
SEIFA index of relative socio-economic disadvantage   
-Less than 950 (most disadvantaged) 31.9% (14.3%-51.8%) 20.3% (14.3%-26.8%)
950-1000 16.8% (7.0%-35.5%) 19.4% (13.7%-26.4%)
1000-1060 25.7% (9.8%-46.7%) 30.0% (22.7%-38.3%)
Over 1060 (least disadvantaged) 25.6% (10.7%-50.2%) 30.4% (22.9%-38.0%)
  1. * = Significant at 95% confidence level.