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Table 8 Multivariable binary logistic regression model of bird ownership at 13 years

From: Socio-demographic factors associated with pet ownership amongst adolescents from a UK birth cohort

Variable Univariable result (unadjusted) Final adjusted model
OR 95%CI P OR 95%CI P
Fish
 No 1    1   
 Yes 2.34 1.66–3.30 < 0.001 2.29 1.60–3.28 < 0.001
Horse
 No 1    1   
 Yes 3.79 2.19–6.54 < 0.001 3.68 2.07–6.53 < 0.001
Maternal education
 CSE/None 1   < 0.001 1   0.006
 Vocational 0.41 0.18–0.92 0.031 0.39 0.16–0.90 0.028
 O Level 0.50 0.31–0.81 0.005 0.54 0.32–0.86 0.016
 A Level 0.48 0.29–0.80 0.005 0.632 0.37–1.07 0.09
 Degree 0.17 0.08–0.35 < 0.001 0.26 0.12–0.55 0.001
Paternal Social Class
 Professional 1   < 0.001 1   0.003
 Managerial and technical 1.16 0.58–2.29 0.674 0.96 0.48–1.94 0.899
 skilled non-manual 1.12 0.49–2.57 0.785 0.86 0.37–1.99 0.730
 skilled manual 2.65 1.42–4.94 0.002 1.92 1.01–4.03 0.060
 part skilled 3.92 1.91–8.07 < 0.001 2.72 1.23–5.87 0.010
 unskilled 2.45 0.57–10.54 0.222 1.40 0.31–5.64 0.66
  1. Hosmer-Lemeshow statistic = 0.57 n = 2922