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Table 2 Comparison of the mean in knowledge, attitudes, and intentions pre-post using paired samples t-test

From: Design and implementation of a massive open online course on enhancing the recruitment of minorities in clinical trials – Faster Together

Item

Pre-test Score

Mean (SD)

Post-test Score

Mean (SD)

Mean Difference (95% bootstrap CI)

Knowledge (# Correct answers out of 28 total)

15.54 (3.55)

18.92 (1.50)

3.39 (1.69 to 5.46)

Attitudes (Individual Items, Likert scale)

 I believe that improving clinical trials education with potential participants will improve minority clinical trial accrual

4.85 (0.38)

4.92 (0.28)

0.77 (−0.15 to 0.39)

 I believe that improving clinical trials retention practices will improve retention with our participants from ethnic/racial minority groups

4.69 (0.48)

4.92 (0.28)

0.23 (−0.08 to 0.54)

 I believe that building relationships with community groups can improve clinical trial participation among ethnic/racial minority groups

4.92 (0.28)

4.92 (0.28)

0.00 (−0.23 to 0.23)

 I believe that clinical trial education programs in the community may enhance clinical trials participation among racial and ethnic minority groups.

4.92 (0. 28)

4.92 (0. 28)

0.00 (−0.23 to 0.23)

 I believe that better communication with community providers may enhance clinical trials referral.

4.92 (0. 28)

4.92 (0. 28)

0.00 (−0.23 to 0.23)

Intentions (Individual Items, Likert scale)

 I intend to work with other members of the team to improve the ways we educate potential participants.

4.77 (0.45)

4.69 (0.48)

−0.08 (− 0.31 to 0.15)

 I intend to work with other members of the team to improve our strategies around retention.

4.69 (0.48)

4.69 (0.48)

0.00 (−0.31 to 0.31)

 I intend to work with other members of the team to institute new ways to partner with community groups.

4.54 (0.66)

4.77 (0.44)

0.23 (−0.08 to 0.69)

 I intend to work with other members of the team to institute new ways to institute clinical trial education programs in the community.

4.54 (0.66)

4.69 (0.48)

0.15 (−0.15 to 0.54)

 I intend to work with other members of the team to institute new ways to increase referrals by community providers.

4.38 (0.87)

4.69 (0.48)

0.31 (−0.08 to 0.69)

  1. SD Standard deviation, CI Confidence interval