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Table 2 Counts and percentages showing breakdown of demographic variables across groups and chi-square tests of independence

From: Can uptake of childhood influenza immunisation through schools and GP practices be increased through behaviourally-informed invitation letters and reminders: two pragmatic randomized controlled trials

 

Control

n = 10698

Intervention

n = 11088

χ2 (df)

p

Sex [n (%)]

Male

5446 (50.9%)

5687 (51.3%)

0.304 (1)

0.58

Female

5252 (49.1%)

5401 (48.7%)

  

Age [n (%)]

2-year-old

4599 (43.0%)

4809 (43.4%)

0.308 (1)

0.579

3-year-old

6099 (57.0%)

6279 (56.60%)

  

Previous Vaccine [n (%)]

Previously had vaccine

No previous vaccine

261 (2.44%)

10437 (97.56%)

257 (2.32%)

10831 (97.68%)

0.298 (1)

0.58