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Table 3 Differences of adjusted means

From: The assessment of a structured online formative assessment program: a randomised controlled trial

Effect

Group

Type of case

_Group

_ Type of case

Estimate

Standard error

DF

Chi-square

P-value

Rate ratio

Type of Case*Group

A

Incident

A

Support

-0.3008

0.1072

1

7.87

0.0050

0.740

Type of Case*Group

B

Incident

B

Support

-0.1525

0.0607

1

6.31

0.0120

0.859

Type of Case*Group

C

Incident

C

Support

-0.4058

0.1169

1

12.05

0.0005

0.666

Type of Case*Group

D

Incident

D

Support

-0.5901

0.1691

1

12.17

0.0005

0.554