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Table 5 Post hoc analyses of patient attitudes by receipt of CRP or booklet

From: Evaluation of a web-based intervention to reduce antibiotic prescribing for LRTI in six European countries: quantitative process analysis of the GRACE/INTRO randomised controlled trial

 

Group allocation

Receipt of CRP test

Group allocation

Receipt of booklet

 

CRP group (n=1228)

Not CRP group (n=1092)

Effect sizea

CRP test (n=884)

No CRP test (n=1473)

Effect size

Booklet group (n=1303)

Not (n=1017)

Effect size

Booklet (n=1453)

No booklet (n=856)

Effect size

 

Mean (s.d.)

Mean (s.d.)

Cohen’s d

Mean (s.d.)

Mean (s.d.)

Cohen’s d

Mean (s.d.)

Mean (s.d.)

Cohen’s d

Mean (s.d.)

Mean (s.d.)

Cohen’s d

Antibiotics necessary

3.79 (1.17)

4.07 (1.78)

.19***

3.90 (1.72)

3.94 (1.77)

.02

3.93 (1.76)

3.91 (1.73)

.01

3.87 (1.77)

3.99 (1.72)

.07*

Antibiotics harmful

4.12 (1.46)

4.03 (1.48)

.06

4.04 (1.45)

4.11 (1.47)

.05

4.12 (1.48)

4.04 (1.45)

.05

4.18 (1.48)

3.92 (1.45)

.18***

Patient enablement

5.06 (1.06)

5.16 (0.98)

-.10*

5.05 (1.05)

5.15 (1.02)

-.14**

5.15 (1.01)

5.05 (1.04)

.10**

5.17 (1.01)

5.00 (1.06)

.16**

Consultation satisfaction

5.84 (0.92)

5.91 (0.97)

.07

5.82 (0.94)

5.91 (0.87)

-.10*

5.93 (0.85)

5.81 (0.95)

.13***

5.92 (0.87)

5.79 (0.94)

.14***

  1. *p < .05, **p < .01, ***p < .001 for between group differences (independent samples t-test).
  2. aEffect size (d) reported such that positive value represents positive intervention effect.