Skip to main content

Table 1 Intention-to-treat analysis. Comparison of consultation rates between intervention and control groups for eight health outcomes

From: Implementing Germ Defence digital behaviour change intervention via all primary care practices in England to reduce respiratory infections during the COVID-19 pandemic: an efficient cluster randomised controlled trial using the OpenSAFELY platform

 

Control group

Intervention group

Comparison

 

Outcome

Consultations per 1000 registered patientsa (95% CI)

Consultations per 1000 registered patientsa (95% CI)

Rate ratio (95% CI)

p-value

RTIs

14.8 (14.3, 15.3)

15.0 (14.4, 15.5)

1.01 (0.96, 1.06)

0.70

Acute RTIs

14.8 (14.3, 15.3)

14.9 (14.4, 15.4)

1.01 (0.96, 1.06)

0.68

Gastrointestinal infections

0.5 (0.5, 0.5)

0.5 (0.5, 0.6)

1.05 (0.98, 1.13)

0.16

COVID diagnoses

36.9 (36.1, 37.3)

36.8 (36.0, 37.7)

1.00 (0.93, 1.03)

0.92

COVID symptoms (sensitive)

11.5 (10.8, 12.1)

12.4 (11.4, 12.8)

1.05 (0.97, 1.14)

0.22

COVID symptoms (specific)

5.7 (5.1, 6.3)

6.3 (5.6, 7.0)

1.11 (0.96, 1.29)

0.17

Antibiotic use

56.2 (55.2, 57.3)

56.6 (55.5, 57.6)

1.01 (0.98, 1.03)

0.67

Hospital admissions

79.1 (77.8, 80.3)

77.7 (76.5, 78.9)

0.98 (0.96, 1.01)

0.13

  1. aRates represent the 17-week post-intervention period