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Table 4 Multivariable logistic regression models that account for repeated measures assessing the association between specified predictor variables and likelihood of taking a public health response to emergency department syndromic surveillance alerts by year within the study

From: Evaluation of the ability of standardized supports to improve public health response to syndromic surveillance for respiratory diseases in Canada

   Outcomes
(Odds Ratio, 95% Confidence Interval)
   Any response Any response excluding watchful waiting Watchful waiting Internal notification External notification
Intervention Year 1 0.024 (<0.01, 0.51)a 0.43 (0.06, 2.92) 0.04 (0.001, 1.58) 2.94 (0.12, 72.2) 0.04 (<0.01, 0.37)a
Year 2 0.20 (0.02, 2.38) 0.69 (0.16, 3.03) 0.19 (<0.01, 55.8) 0.98 (0.08, 12.4) 1.27 (0.19, 8.34)
Control   Reference Reference Reference Reference Reference
Medium LPHA Year 1 0.83 (0.15, 45.9) 0.91 (0.06, 1.39) 4.25 (0.04, 423) 0.35 (0.01, 21.2) 3.66 (0.18, 74.0)
Year 2 0.29 (0.012, 7.12) 0.45 (0.06, 3.2) 11.7 (0.009, 15,000) 0.78 (0.04, 17.5) 1.18 (0.10, 13.9)
Large LPHA   Reference Reference Reference Reference Reference
Small LPHA Year 1 0.352 (0.13, 9.30) 1.02 (0.12, 8.44) 1.28 (0.02, 69.2) 0.61 (0.02, 15.9) 3.83 (0.29, 50.5)
Year 2 1.65 (0.11, 24.0) 0.56 (0.11, 2.86) 32.1 (0.05, 19,908) 0.19 (0.01, 3.33) 1.62 (0.21, 12.6)
Large LPHA   Reference Reference Reference Reference Reference
Sustained alert Year 1 1.81 (1.10, 2.99)a 2.06 (1.23, 3.45)a 0.62 (0.24, 1.56) 2.21 (1.27, 3.84)a 7.83 (3.2, 19.2)a
Year 2 0.24 (0.16, 0.35)a 0.92 (0.61, 1.39) 0.15 (0.10, 0.23)a 0.75 (0.47, 1.19) 0.59 (0.37, 0.94)a
New alert   Reference Reference Reference Reference Reference
  1. aStatistically significant result