Skip to main content

Table 4 Results from regression models showing effects of covariates on self-reported health measures

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

Measure Physical SRH Mental SRH
m0 m1 m2 m3 m4 m5 m0 m1 m2 m3 m4 m5
Age 1.26*** 0.97 0.99 0.98 0.90* 0.96 0.99 0.77*** 0.77*** 0.77*** 0.74*** 0.90
Sex 1.30** 1.08 1.01 0.94 0.98 0.90 1.43 1.17 1.09 1.05 1.06 0.77
Income   0.76*** 0.79*** 0.78*** 0.78*** 0.84***   0.71*** 0.72*** 0.73*** 0.73*** 0.89*
Education   0.74*** 0.78*** 0.79*** 0.80** 0.86*   0.82* 0.84* 0.87 0.87 1.12
IBS    2.59*** 2.41*** 2.33*** 1.82***    2.45*** 2.16*** 2.10*** 1.12
Pain     2.82*** 2.72*** 2.50***     1.93*** 1.88*** 1.62**
Somatic      2.55*** 2.41***      1.42** 1.09
CESD       1.06***       1.16***
PSS       1.04**       1.15***
Measure Physical health hinders activities Mental health hinders activities
m0 m1 m2 m3 m4 m5 m0 m1 m2 m3 m4 m5
Age 1.15** 0.91* 0.90 0.91 0.854*** 0.90* 1.17 0.87* 0.88 0.89 0.85* 1.08
Sex 1.37*** 1.16 1.14 1.05 1.08 0.99 1.26 1.06 0.98 0.94 0.95 0.70*
Income 0.78*** 0.76*** 0.79*** 0.80*** 0.87*** 0.70*** 0.71*** 0.72*** 0.73*** 0.88**
Education 0.74*** 0.69*** 0.78*** 0.79*** 0.84* 0.83* 0.84 0.87 0.88 1.08
IBS 2.33*** 1.71*** 1.63*** 1.23 2.83*** 2.48*** 2.40*** 1.45*
Pain 2.62*** 2.52*** 2.34*** 2.02*** 1.97*** 1.69***
Somatic 2.31*** 2.16*** 1.56* 1.26
CESD 1.07*** 1.14***
PSS 1.03* 1.12***
  1. OR’s larger than 1 reflect increased odds for ‘poor’ SRH and ‘a lot’/’very much’ hindrance of activities
  2. ***p < 0.001; **p < 0.01; *p < 0.05