Table 3

Timely receipt of immunisation—individually and collectively by study group*†

Immunisation n (%)Control (n=300)Intervention (n=300)RR (95% CI)P value
Penta-1 at 6 weeks250 (83)257 (86)1.03 (0.96 to 1.10)0.43
Penta-2 at 10 weeks252 (84)256 (85)1.02 (0.95 to 1.09)0.65
Penta-3 at 14 weeks233 (78)253 (84)1.09 (1.01 to 1.17)0.04
Measles at 9 months194 (65)220 (73)1.13 (1.02 to 1.26)0.02
All immunisations140 (47)171 (57)1.22 (1.04 to 1.43)0.01
  • *Modified intention-to-treat analysis. Includes all subjects regardless of where immunisation was received or how it was audited.

  • †Timeliness defined as receiving vaccinations within 1 week of their due date.

  • RR, risk ratio.