Table 3.
Comparison of acceptability and feasibility measures by study arm among N = 467 AIAN community members.
| Combined (N = 425) (M, SD) | AIAN curriculum (n = 237) (M, SD) | CITI curriculum (n = 230) | Test statistic | |
|---|---|---|---|---|
| Acceptability †(Post assessment) | ||||
| Relevance: overall score (M, SD) | 4.0 (.65) | 4.2 (.54) | 3.8 (.70) | t = 6.21*** |
| Relevant to research goals | 4.0 (.92) | 4.1 (.94) | 3.8 (.91) | t = 2.81*** |
| Research protections relevant | 4.2 (.84) | 4.4 (.74) | 3.9 (.88) | t = 5.85*** |
| Topics coverage important | 4.2 (.85) | 4.5 (.65) | 3.9 (.93) | t = 7.25*** |
| Information present clearly | 4.1 (.83) | 4.2 (.82) | 4.0 (.85) | t = 1.67 |
| Images appropriate for the text | 3.9 (.95) | 4.0 (.90) | 3.8 (1.0) | t = 1.97* |
| Appropriate examples | 4.0 (.92) | 4.3 (.80) | 3.8 (1.0) | t = 5.53*** |
| Information presented in an interesting way | 3.7 (1.0) | 3.9 (.95) | 3.5 (1.1) | t = 4.23*** |
| Relevant to research with AIAN | 4.2 (.86) | 4.5 (.70) | 3.9 (.93) | t = 6.50*** |
| Satisfaction †(Post assessment) | ||||
| Satisfaction: overall score (M, SD) | 3.9 (.77) | 4.1 (.66) | 3.7 (.83) | t = 5.26*** |
| Format of the materials | 3.8 (.85) | 4.0 (.73) | 3.7 (.93) | t = 4.10*** |
| Style of presentation | 3.8 (.93) | 4.0 (.82) | 3.6 (1.0) | t = 4.54*** |
| Range of topics covered | 4.1 (.80) | 4.3 (.70) | 4.0 (.87) | t = 2.98** |
| Readability | 3.8 (.98) | 4.1 (.88) | 3.6 (1.0) | t = 4.74*** |
| Visual appearance | 3.8 (1.0) | 4.0 (.88) | 3.5 (1.1) | t = 5.30*** |
| Time to take the training (hours) | ||||
| Number of hours | 4.3 (2.5) | 3.9 (2.11) | 4.8 (2.87) | t = 3.62*** |
| Time spent was reasonable (n, %) | 397 (93.9) | 209 (96.3) | 188 (91.3) | x2 = 4.67* |
| Ease & understandability | ||||
| Difficulty understanding words use (vocabulary) | 2.1 (.95) | 1.9 (.91) | 2.2 (.98) | t = 3.50*** |
| Ease of access to only materials | 4.3 (1.02) | 4.5 (.93) | 4.0 (1.06) | t = 4.89*** |
| Had technology problems (n, %) | 44 (10.4) | 10 (4.6) | 34 (16.5) | x2 = 16.1*** |
| Chapter quiz represented important lessons | 3.8 (.95) | 3.8 (.92) | 3.8 (.96) | t = .23 |
| Multiple-choice questions were confusing | 2.3 (1.14) | 2.3 (1.18) | 2.3 (1.10) | t = .42 |
| Quiz assessed how well I understood the material | 3.9 (.84) | 4.0 (.83) | 4.0 (.86) | t = .39 |
Notes: M = mean, SD = standard deviation, N = frequency, % = percent; t = t test;
χ2 = Pearson chi-square; t-test and chi-square test were conducted as appropriate;
*
P < .05;
**
P < .01;
***
P < .001.;
δδ
5-point Liket scale responses dichotomized at mostly or extremely compared to not at all, a little, somewhat.