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. 2020 Nov 23;15(11):e0242134. doi: 10.1371/journal.pone.0242134

Table 4. Study 2 intervention vs. control: Percentages of participants in the intervention (n = 36) and control (n = 36) groups under eight years of age who demonstrated each handwashing behaviour and whose responses included “germs”.

Measure Intervention % Control % Chi-squared Test
χ2 p Fisher's p Estimated Odds
(n) (n) Ratio (CI)
Soap 83% (30) 81% (29) 0.09 0.76 1.00 1.20 (0.30, 4.91)
Rub 94% (34) 86% (31) 1.42 0.23 0.43 2.71 (0.41, 30.35)
Wrists 8% (3) 0% (0) 3.13 0.08 0.24 7.63 (0.08, 752.80)*
Fingers 53% (19) 25% (9) 5.84 0.02 0.03 3.29 (1.11, 10.38)
Nails 8% (3) 0% (0) 3.13 0.08 0.24 7.63 (0.08, 752.80)*
Dry 83% (30) 69% (25) 1.93 0.17 0.27 2.18 (0.63, 8.25)
Knowledge 75% (27) 61% (22) 1.60 0.21 0.31 1.89 (0.62, 5.99)

*Haldane-Anscombe correction.

The analyses compare the intervention and control groups.