Table 3

HRs of the predictors of influenza vaccination rate among children and adolescents without high-risk condition; presentation by age group

2–3 year olds4–8 year olds9–17 year olds
Estimate 95% CIp ValueEstimate 95% CIp ValueEstimate 95% CIp Value
Season
 2012–20131.00*1.00*1.00*
 2013–201459.91 (56.13 to 64.04)4.01 (3.84 to 4.20)2.55 (2.47 to 2.64)
 2014–201553.97 (50.56 to 57.69)<0.00112.62 (12.11 to 13.16)<0.0013.50 (3.39 to 3.61)<0.001
Sex<0.01†<0.001†0.10†
 Male1.00*1.00*1.00*
 Female0.99 (0.98 to 1.01)0.440.95 (0.94 to 0.97)<0.0011.06 (1.04 to 1.08)<0.001
Region<0.001†<0.001†<0.001†
 England/North0.93 (0.90 to 0.95)2.75 (2.66 to 2.84)1.92 (1.84 to 2.00)
 England/Midlands0.92 (0.90 to 0.94)1.14 (1.09 to 1.18)1.68 (1.61 to 1.75)
 England/South1.00*1.00*1.00*
 England/London0.68 (0.66 to 0.70)1.50 (1.44 to 1.56)1.08 (1.03 to 1.13)
 Northern Ireland1.93 (1.87 to 2.00)0.89 (0.83 to 0.96)2.26 (2.14 to 2.39)
 Scotland1.21 (1.19 to 1.24)5.18 (5.03 to 5.34)4.53 (4.38 to 4.69)
 Wales0.82 (0.79 to 0.84)<0.0010.91 (0.87 to 0.96)<0.0012.74 (2.64 to 2.85)<0.001
  • *Reference group.

  • †p Value of the interaction term between season and each other predictor.