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Table 4 Generalized Linear Model (GLM) analysis of total direct costs (N = 19,509)

From: Health care costs and resource utilization for different asthma severity stages in Colombia: a claims data analysis

Parameter Coefficient Robust S.E. p-value 95% CI
Intercept 47.01 5.28 0.000 37.72 58.59
Age (continuous) 1.00 0.00 0.640 0.99 1.00
Female gender (ref: male gender) 0.97 0.02 0.372 0.92 1.03
Socioeconomic status (ref: Levels 2–3 in SISBEN index)
 Level 1 0.88 0.04 0.028 0.79 0.98
 Rhinitis 1.76 0.12 0.000 1.53 2.02
 Acute Bronchitis 1.34 0.15 0.009 1.07 1.67
 Atopic eczema 1.12 0.06 0.066 0.99 1.26
 COPD 1.65 0.10 0.000 1.46 1.87
Emphysema 1.29 0.18 0.064 0.98 1.71
 Severity Index (ref: mild intermittent)
 Mild persistent asthma 6.63 0.35 0.000 5.97 7.36
 Moderate Persistent asthma 13.59 0.77 0.000 12.15 15.20
 Severe persistent 28.84 1.44 0.000 26.14 31.82
 Urban residency (ref: rural residency) 1.15 0.43 0.000 1.07 1.24
  1. S.E. standard error