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Table 3 Difference in Mean Percentage of Observation Scores by Nurse Type

From: Task shifting levonorgestrel implant insertion to community midwife assistants in Malawi: results from a non-inferiority evaluation

Mean % of Observational Scores

NMT

CMA

Difference*

95% CI

N = 29

N = 29

β

(Lower CI, Upper CI)

Unadjusted

90.7

89.2

−1.5

−4.4, 1.4

Adjusted**

90.5

89.4

−1.1

−5.0, 2.7

  1. The non-inferiority margin (∆) was set at −10 for this study. While the upper limits of the confidence interval are not interpreted for non-inferiority analyses, the lower confidence interval was interpreted and was found to be within the 10%. The mean difference between the CMAs and NMTs was also found to be within 10%
  2. *Significant at p < 0.05
  3. **Scores adjusted or number of insertions pre-training, number of insertions during training, and years since graduation