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. 2019 Apr 25;53(4):1802241. doi: 10.1183/13993003.02241-2018

TABLE 3.

Predictors of controller therapy escalation

Controller escalation not made Controller escalation made GLMM model OR (95% CI)
Visits 6428 234 4204#
Period
 Baseline 3314 (96.8) 108 (3.2)
 Intervention 3114 (96.1) 126 (3.9) 0.55 (0.28–0.99)
Clinic
 1 2947 (97.7) 67 (2.3)
 2 1244 (97.6) 31 (3.4) 0.82 (0.42–1.44)
 3 2237 (94.3) 136 (5.7) 2.19 (1.51–3.53)
Practitioner type
 Physician 3087 (96.0) 130 (4.0)
 Nurse practitioner 547 (96.5) 20 (3.5) 0.82 (0.38–1.74)
 Resident 2368 (97.3) 66 (2.7) 0.79 (0.46–1.41)
 Physician assistant 425 (95.9) 18 (4.1) 0.55 (0.19–1.16)
Objective asthma diagnosis
 No 3736 (95.9) 158 (4.1)
 Yes 2692 (97.3) 76 (2.7) 0.46 (0.31–0.68)
Physician-documented asthma diagnosis
 No 2507 (97.7) 60 (2.3)
 Yes 3921 (95.8) 174 (4.2) 1.35 (0.90–2.05)
Presenting complaint
 Asthma 201 (76.4) 62 (23.6)
 Nonrespiratory 5610 (98.5) 85 (1.5) 0.06 (0.04–0.10)
 Respiratory (nonasthma) 617 (87.6) 87 (12.4) 0.51 (0.33–0.85)
Previous emergency department visit(s)/hospitalisation(s)
 No 6096 (96.5) 221 (3.5)
 Yes 332 (96.2) 13 (3.8) 1.18 (0.36–2.25)
Seen by most responsible physician
 No 4308 (96.6) 151 (3.4)
 Yes 2120 (96.2) 83 (3.8) 0.89 (0.58–1.45)
Current level of asthma control
 Not documented 4587 (97.5) 117 (2.5)
 Poor control 1302 (92.4) 107 (7.6) 2.23 (1.52–3.30)
 Good control 539 (98.2) 10 (1.8) 0.52 (0.09–1.15)

Data are presented as n or n (%), unless otherwise stated. GLMM: generalised linear mixed model. #: the model included only the 448 subjects seen in both the baseline and intervention periods (4204 total visits); : both in the baseline and intervention periods, there was no association between time and the outcome.