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Table 4 Comparison of effects of intervention on influenza vaccination of participants at two different stages

From: The influence of a community intervention on influenza vaccination knowledge and behavior among diabetic patients

Period of timeGroupTotal (n)Number of vaccinations(n)Vaccination rates(%)χ2P
Before interventionthe experimental groupa76922329.00.9340.334
the control groupb76920626.8
After interventionthe experimental group76935245.855.703< 0.001
the control group76921127.4
  1. aBefore and after the intervention, the influenza vaccination rate of the experimental group was statistically different. (χ2 = 43.432, P < 0.001). There was no significant difference in influenza vaccination rates in the control group after the intervention. (χ2 = 0.082, P = 0.774)