Table 3

Unadjusted and adjusted odds ratio of dichotomous behaviour scores at 5 years of age as a function of ear discharge

Socioeconomic status (grouped)AntisocialNeuroticHyperactivityPoor conduct
Unadjusted odds ratio
 1 (most advantaged)2.011.461.241.55
 2 (average)1.271.411.411.21
 3 (most disadvantaged)1.491.401.481.41
Overall (95% CI)1.45 (1.21 to 1.64)1.43 (1.20 to 1.69)1.42 (1.21 to 1.68)1.35 (1.14 to 1.60)
Adjusted4-150 odds ratio and 95% CI
1 (most advantaged)1.70 (1.03 to 2.78)1.27 (0.86 to 1.87)1.10 (0.70 to 1.74)1.35 (0.85 to 2.15)
 2 (average)1.14 (0.87 to 1.48)1.29 (1.01 to 1.66)1.31 (1.03 to 1.68)1.09 (0.84 to 1.43)
 3 (most disadvantaged)1.33 (1.02 to 1.74)1.21 (0.89 to 1.65)1.35 (1.03 to 1.77)1.26 (0.96 to 1.65)
 Overall 1.27 (1.07 to 1.52)1.27 (1.07 to 1.51)1.29 (1.09 to 1.52)1.19 (1.0 to 1.42)
p value for ear discharge0.0080.0070.0030.054
  • Results are for parent reported behaviour—defined at 90th centile of distribution of continuous scores.

  • 4-150 Adjusted for sex and maternal malaise. Overall odds ratio (combining all socioeconomic status groups) adjusted for sex, socioeconomic status, and maternal malaise (n = 12 497).