Table 4.

Linear regression model for the association between adherence and FEV ₁ % predicted ^a

Independent variables	Estimated co-efficient (SE)	95% CI
Adherence to inhaled antibioticsb	-2.03 (2.57)	[-7.06; 3.00]
Adherence to other respiratory medicinesb	4.43 (2.57)	[-0.61; 9.47]
Adherence to airway clearanceb	-2.32 (2.47)	[-7.16; 2.51]
Age	-0.11 (0.15)	[-0.40; 0.17]
Genderc	-5.05 (2.64)	[-10.23; 0.13]
Baseline FEV1 % predicted	1.04*** (0.05)	[0.94; 1.15]

^an = 60: 6 participant withdrawals,, 8 participants with insufficient data to calculate adherence to inhaled antibiotics and 1 participant not prescribed other respiratory medicines.

^bAdherent = 1, non-adherent = 0.

^cMale = 1, female = 0.

***p < 0.001.

Adjusted R² = 0.07.