Table 3

 Pooled (fixed effects) results for GPRD and DIN

VaccineMonth(s) of lifeDTP and MMR modelled independentlyDTP and MMR modelled jointly
OR95% CIp valueOR95% CIp value
All of the analyses are based on non-ghost control pairs only and are adjusted for consultation frequency.
OR, odds ratio; 95% CI, 95% confidence interval.
Age at DTP3DTP3 1st–4th1.020.90 to 1.170.741.020.89 to 1.170.78
DTP3 5th11
DTP3 6th0.990.88 to 1.120.921.000.89 to 1.130.996
DTP3 7th–9th0.800.69 to 0.940.0050.830.71 to 0.970.02
DTP3 10th–12th0.720.58 to 0.900.0050.750.60 to 0.940.01
DTP3 13th +0.600.45 to 0.76<0.0010.660.50 to 0.860.002
Other DTP0.880.65 to 1.200.410.940.68 to 1.280.69
No pertussis0.940.73 to 1.230.650.990.76 to 1.280.92
Age at 1st MMR1st–13th0.940.83 to 1.070.360.920.81 to 1.050.24
14th11
15th0.960.85 to 1.080.480.970.86 to 1.100.62
16th0.890.76 to 1.040.130.910.79 to 1.060.24
17th0.900.74 to 1.100.310.940.77 to 1.150.56
18th–24th0.800.67 to 0.950.010.850.71 to 1.010.07
25th +0.620.48 to 0.80<0.0010.670.52 to 0.900.007
No MMR0.790.58 to 1.080.130.820.59 to 1.120.21