Skip to main content

Table 4 Adjusted utilisation Rate Ratio (RR), and 95% Confidence Interval (95% CI) for ER visits with white, red/yellow triage code and followed by hospitalisation, Reggio Emilia (Italy), 2008-2010

From: Effects of immigrant status on Emergency Room (ER) utilisation by children under age one: a population-based study in the province of Reggio Emilia (Italy)

  White triage code^   Red/yellow triage codes*   Followed by hospitalisation*  
Characteristics RR 95% CI RR 95% CI RR 95% CI
Citizenship       
Italian 1.00 - 1.00 - 1.00 -
Immigrant 1.72 1.48-2.00 1.25 0.98-1.59 1.58 1.33-1.89
Mother’s educational level       
high 1.00 - 1.00 - 1.00 -
medium 0.94 0.79-1.13 1.12 0.80-1.57 1.35 1.05-1.72
low 1.56 1.28-1.90 1.75 1.25-2.46 1.58 1.22-2.04
trend p §< 0.001   p §< 0.001   p §= 0.001  
Age at delivery       
age <25 1.33 1.04-1.71 1.33 0.84-2.12 1.09 0.78-1.53
age 25-34 1.00 - 1.00 - 1.00 -
age > =35 1.14 0.97-1.33 1.18 0.92-1.52 0.85 0.72-1.02
Child gender       
Male 1.00 - 1.00 - 1.00 -
Female 0.90 0.79-1.03 0.72 0.57-0.89 0.88 0.75-1.03
Previous live birth       
None 1.00 - 1.00 - 1.00 -
At least one 0.83 0.70-0.98 1.12 0.90-1.40 1.14 0.97-1.35
Likelihood-ratio test for alpha = 0 p < 0.001   p < 0.001   p < 0.001  
Vuong test p = 0.032   p = 0.154   p = 0.080  
  1. ^ Adjusted utilisation Rate Ratio (RR) and 95% Confidence Intervals (95% CI) were obtained using multivariate zero inflated negative binomial regression model with citizenship, mother’s educational level, age at delivery, child gender, and previous live birth as covariates.
  2. * Adjusted utilisation Rate Ratio (RR) and 95% Confidence Intervals (95% CI) were obtained using multivariate negative binomial regression model with citizenship, mother’s educational level, age at delivery, child gender, and previous live birth as covariates.
  3. §p value for linear trend test.