Table 2 Intervention’s impact on VC at 3, 5 and 7 months (PP analysis)
Experimental group n=1,140 | Control group n= 1,249 | Absolute difference of VC (%) | RR (95% CI) | p-value | |
|---|---|---|---|---|---|
Complete VC at 3 months | 1,041 (91.3) | 1,101 (88.1) | 3.2 | 1.04 (1.01-1.06) | .011 |
Complete VC at 5 months | 948 (83.2) | 978 (78.3) | 4.9 | 1.06 (1.02-1.10) | .003 |
Complete VC at 7 months | 865 (75.9) | 857 (68.6) | 7.3 | 1.11 (1.05-1.16) | <.001 |