Table 2 Comparison of the older women’s mean scores for knowledge and support for infant vaccination

From: Effect of intensive training in improving older women's knowledge and support for infant vaccination in Nigerian urban slums: a before-and-after intervention study

Scores Mean ± SD Mean
Difference ± SD
95% CI t-test p value
Knowledge score
Pre-intervention 4.8 ± 3.8 5.9 ± 3.8 5.2–6.7 15.8 < 0.01
Post-intervention 10.7 ± 0.6
Support score
Pre-intervention 3.1 ± 3.5 4.9 ± 4.1 4.1–5.7 12.4 < 0.01
Post-intervention 8.1 ± 1.7