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. Author manuscript; available in PMC: 2022 Jul 18.
Published in final edited form as: Int J Transl Med Res Public Health. 2022 May 27;6(1):e418. doi: 10.21106/ijtmrph.418

Table 3.

Pre- and post-survey level of confidence (1–3) in understanding and performing specific statistical tests, Kano, Nigeria.

One Sample t-test Two Sample t-test Paired Sample t-test One-way ANOVA Correlation Simple Linear Regression Chi-square Test Fisher’s Exact Test McNemar’s Test Logistic Regression

Pre-survey
 Mean 2.2 2.0 1.8 1.8 1.9 1.7 2.5 2.2 1.3 1.5
 Standard Deviation 0.5 0.6 0.7 0.8 0.7 0.7 0.6 0.8 0.6 0.6
Post-survey
 Mean 2.9 2.8 2.9 2.9 2.8 2.7 2.9 2.9 2.7 2.4
 Standard Deviation 0.5 0.5 0.5 0.5 0.5 0.5 0.3 0.4 0.6 0.5
Change in mean score (%) * 32 40 61 61 47 59 16 32 100 60

Paired sample t-test, P-value <0.0001 0.0002 <0.0001 <0.0001 0.0003 <0.0001 0.009 0.0009 <0.0001 <0.0001
*

Percent change in mean score was calculated as follows: [(post-survey mean − pre-survey mean) ÷ (pre-survey mean)] × 100

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