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Table 1 Results comparing the associations of self-reported health measures with self-reported vs. doctor diagnosed IBS

From: The relationships between IBS and perceptions of physical and mental health—a Norwegian twin study

Measure Self-reported Diagnosed P
est diff*
Combined
Estimate SE p Estimate SE p Estimate SE p
SRH physical           
 Age 0.03 0.00 0.00 0.03 0.00 0.00 0.99 0.03 0.00 0.00
 Sex 0.15 0.08 0.05 0.20 0.08 0.01 0.65 0.15 0.08 0.05
 IBS 1.06 0.10 0.00 0.93 0.14 0.00 0.49 1.06 0.10 0.00
SRH mental           
 Age 0.00 0.01 0.71 0.00 0.01 0.71 1.00 0.00 0.01 0.71
 Sex 0.28 0.12 0.02 0.33 0.12 0.01 0.78 0.28 0.12 0.02
 IBS 1.04 0.13 0.00 1.01 0.19 0.00 0.91 1.06 0.13 0.00
Physical health hinders activities           
 Age 0.02 0.01 0.00 0.02 0.01 0.00 1.00 0.02 0.01 0.00
 Sex 0.25 0.09 0.00 0.28 0.09 0.00 0.78 0.25 0.09 0.00
 IBS 0.88 0.11 0.00 1.06 0.15 0.00 0.34 0.89 0.11 0.00
Mental health hinders activities           
 Age 0.02 0.01 0.02 0.02 0.01 0.02 1.00 0.02 0.01 0.02
 Sex 0.20 0.12 0.10 0.26 0.12 0.04 0.74 0.20 0.12 0.10
 IBS 1.13 0.14 0.00 1.10 0.20 0.00 0.90 1.12 0.14 0.00
  1. *p-value for a difference between estimates in the self-reported group and the doctor diagnosed group