Table 3

Effect of symptoms of atopic disease on conduct, hyperactivity and peer problems, modified by the primary carer's education

Conduct problemsNo known eczema everKnown eczema ever
p=0.049β Joint effect (95% CI)β Joint effect (95% CI)
Master's or PhD degree0 (ref)0.15 (0.02 to 0.28)
Academy or bachelor's degree0.11 (0.04 to 0.19)0.23 (0.10 to 0.37)
Vocational education0.28 (0.18 to 0.37)0.13 (−0.04 to 0.30)
Primary or secondary school0.41 (0.31 to 0.50)0.42 (0.23 to 0.60)
Hyperactivity problemsNo current asthma symptomsCurrent asthma symptoms
p=0.04β Joint effect (95% CI)β Joint effect (95% CI)
Master's or PhD degree0 (ref)0.27 (0.01 to 0.53)
Academy or bachelor's degree0.18 (0.06 to 0.30)0.46 (0.21 to 0.72)
Vocational education0.53 (0.38 to 0.68)1.15 (0.81 to 1.50)
Primary or secondary school0.47 (0.33 to 0.62)1.34 (0.94 to 1.74)
Peer problemsNo symptoms of atopic diseaseSymptoms of one diseaseSymptoms of more diseases
p=0.036β Joint effect (95% CI)β Joint effect (95% CI)β Joint effect (95% CI)
Master's or PhD degree0 (ref)0.18 (0.04 to 0.32)0.13 (−0.18 to 0.44)
Academy or bachelor's degree0.20 (0.10 to 0.29)0.25 (0.12 to 0.37)0.38 (0.14 to 0.62)
Vocational education0.70 (0.57 to 0.84)0.66 (0.47 to 0.85)0.74 (0.40 to 1.08)
Primary or secondary school1.15 (1.01 to 1.28)0.86 (0.65 to 1.06)1.17 (0.73 to 1.61)
  • All analyses were adjusted for gender and age.

  • β Joint effect, linear regression coefficient of joint effects; ref, reference category.