Table 5 Post-hoc multivariable logistic regression models that account for repeated measures assessing the association between specified predictor variables, including the variable of whether or not syndromic surveillance was a primary data source on outcomes related to the likelihood of taking a public health response to emergency department syndromic surveillance alerts by year within the study

Intervention

Year 1

0.020 (<0.01, 0.18)^a

0.41 (0.06, 2.78)

Year 2

0.18 (0.016, 2.12)

0.72 (0.18, 3.00)

Control

Reference

Reference

Medium LPHA

Year 1

0.38 (0.02, 7.33)

0.79 (0.06, 10.2)

Year 2

0.21 (0.01, 5.41)

0.52 (0.08, 3.44)

Large LPHA

Reference

Reference

Small LPHA

Year 1

1.12 (0.01, 12.7)

1.30 (0.14, 11.9)

Year 2

2.49 (0.16, 39.1)

0.47 (0.09, 2.43)

Large LPHA

Reference

Reference

Sustained alert

Year 1

1.87 (1.13,3.08)^a

2.07 (1.24, 3.46)^a

Year 2

0.24 (0.16, 0.35)^a

0.92 (0.61, 1.39)

New alert

Reference

Reference

Views syndromic surveillance as a primary data source

Year 1

47.5 (4.2, 536)^a

2.10 (0.26, 16.6)

Year 2

3.86 (0.28, 52.9)

0.60 (0.12, 2.88)

Secondary

Reference

Reference