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Table 4 Multivariate models for sickness absence due to IID for cases of school/working age (IID2 study 2008–9)

From: Socioeconomic status is associated with symptom severity and sickness absence in people with infectious intestinal disease in the UK

  Baseline model Baseline
+ NS-SEC
Baseline
+ NS-SEC
+ Severity
  OR (95%CI)a OR (95%CI)a OR (95%CI)a
Age (years) 0.98 (0.98–0.99) 0.98 (0.98–0.99) 0.99 (0.98–1.00)
Sex
 Female reference reference reference
 Male 0.95 (0.71–1.28) 0.91 (0.68–1.22) 0.92 (0.67–1.26)
Ethnicity
 White reference reference reference
 Non-White 2.66 (1.16–7.22) 2.58 (1.12–7.00) 1.91 (0.80–5.31)
NS-SEC
 Managerial/professional   reference reference
 Intermediate   1.13 (0.77–1.66) 1.05 (0.70–1.59)
 Routine/manual   1.83 (1.26–2.69) 1.38 (0.92–2.07)
Symptom severity
 Mild    reference
 Moderate    3.60 (2.54–5.14)
 Severe    5.27 (3.54–7.93)
Log-likelihood −531.0 −525.9 −482.4
Deviance 1062.0 1051.9 964.9
AIC 1070.0 1063.9 980.9
BIC 1088.9 1092.1 1018.5
Number 818 818 818
  1. AIC Akaike information criterion, BIC Bayesian information criterion, CI confidence interval, IID infectious intestinal disease, NS-SEC National Statistics Socioeconomic Classification, OR odds ratio
  2. aSince the absence outcome was common, the odds ratios should not be interpreted as risk ratios