Table 2 Generalized estimating equation model for annual greenhouse gas per patient.

From: Resultant greenhouse gases from the use of inhaled corticosteroid based on Global Initiative for Asthma (GINA) guidelines: a primary care used case from Singapore

Variable

Estimate (β)

95% Confidence Interval

P-value

Asthma Control

 Well-Controlled

Ref

 

—

 Suboptimal

29.5

26.1–32.9

<0.001

Year

−2.3

−2.9 to −1.6

<0.001

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