# Table 4 Multivariable analysis of the associated factors according to the mistreatment status

Variables (n = 395) Logistic Logistic robust GEE GEE robust
ORa (ES) (95 % CI) ORa (ES) (95 % CI) ORa (ES) (95 % CI) ORa (ES) (95 % CI)
[Correlation matrix: 0.835]
Gender P = 0.342 P = 0.935 P = 0.956 P = 0.968
Girls 1.00 1.00 1.00 1.00
Boys 1.23 (0.27) (0.80–1.88) 1.23 (0.27) (0.80–1.89) 1.01 (0.15) (0.75–1.36) 1.01 (0.21) (0.67–1.52)
Age P < 0.001 P < 0.001 P < 0.001 P = 0.002
≤3 years 1.00 1.00 1.00 1.00
≥4 years 2.77 (0.63) (1.77–4.32) 2.77 (0.69) (1.70–4.50) 2.06 (0.36) (1.47–2.89) 2.06 (0.49) (1.29–3.28)
Country of birth P = 0.052 P = 0.088 P = 0.115 P = 0.139
Belgium 1.00 1.00 1.00 1.00
Other country 1.76 (0.51) (1.00–3.10) 1.76 (0.58) (0.92–3.36) 1.50 (0.39) (0.91–2.50) 1.50 (0.42) (0.88–2.59)
Living environment P = 0.020 P = 0.031 P = 0.002 P = 0.014
Elsewhere 1.00 1.00 1.00 1.00
Family 2.57 (1.04) (1.16–5.68) 2.57 (1.12) (1.09–6.04) 3.57 (1.45) (1.60–7.93) 3.57 (1.85) (1.29–9.85)
Type of admission P = 0.260 P = 0.294 P = 0.323 P = 0.309
Planned 1.00 1.00 1.00 1.00
Emergency 1.39 (0.41) (0.78–2.48) 1.39 (0.44) (0.75–2.59) 1.34 (0.40) (0.75–2.40) 1.34 (0.39) (0.76–2.36)
Previous known case files P = 0.900 P = 0.919 P = 0.831 P = 0.844
No 1.00 1.00 1.00 1.00
Yes 0.97 (0.21) (0.63–1.50) 0.97 (0.26) (0.57–1.66) 1.05 (0.24) (0.67–1.64) 1.05 (0.26) (0.65–1.71)
1. All values are vs. at risk of mistreatment. ORa are the adjusted odds ratio. The “P” are the p values of the Wald tests
2. The “Correlation matrix” is the estimated (exchangeable) within-sibship correlation matrix