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Table 2 Numerical results comparing the mean number of correct, incorrect and unsure responses per participant of both control and intervention groups.

From: Utilizing video on myocardial infarction as a health educational intervention in patient waiting areas of the developing world: A study at the emergency department of a major tertiary care hospital in India

 

Control

Intervention group

t test

Control

Intervention group

t test

 

group

(pre test)

n = 106

(pre test)

n = 111

p value

control vs.

intervention

(pre test)

group

(post test)

n = 106

(post test)

n = 111

p value

control vs. intervention

(post test)

Mean number of correct responses per participant

19.0 (95% CI:

17.8–20.1)

SD: 5.4

18.1 (95% CI:

16.9–19.2)

SD: 5.8

P = 0.19

20.0 (95% CI:

18.9–21.0)

SD: 5.2

27.0 (95% CI:

25.9–28.1)

SD: 5.5

P < 0.001

Mean number of incorrect responses per participant

8.6 (95% CI:

7.5–9.7)

SD: 5.0

9.4 (95% CI:

8.2–10.5)

SD: 4.8

P = 0.27

7.7 (95% CI:

6.6–8.7)

SD: 4.6

8.3 (95% CI:

7.4–9.4)

SD: 4.6

P = 0.35

Mean number of "unsure" responses per participant

9.3 (95% CI:

8.2–10.4)

SD: 6.7

9.6 (95% CI:

8.5–10.7)

SD: 7.3

P = 0.78

9.4 (95% CI:

8.3–10.5)

SD: 6.7

1.8 (95% CI:

1.2–2.3)"

SD: 3.0

P < 0.001

  1. 95% confidence intervals are also shown, along with standard deviations (SD). Data are from pretest and posttest surveys given to each group. P-values are generated using the 2- samplet-test, and considered statistically significant at p < 0.05.
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