Table 3.
Early Understanding by Message Delivery and Age, Education, Literacy, and NFC
| Standard (SI) | Interactive (ICI) | Mean Difference (95% CI) | |
|---|---|---|---|
| Age (yrs): | |||
| 18–59 (R) | 8.3 ± 2.3 | 9.9 ± 1.7† | 1.7 (0.7, 2.7) |
| ≥60 | 7.9 ± 2.3 | 8.7 ± 2.4* | 0.8 (−0.4, 1.9) |
| Education: | |||
| < Bachelor’s Degree (R) | 7.9 ± 2.2 | 8.9 ± 2.3 | 1.0 (−0.07, 2.1) |
| ≥ Bachelor’s Degree | 8.5 ± 2.0 | 9.6 ± 2.1† | 1.1 (0.01, 2.2) |
| Literacy: | |||
| Low (R)a | 6.3 ± 2.9 | 7.7 ± 1.6 | 1.4 (−1.8, 4.7) |
| Highb | 8.1 ± 2.3 | 9.8 ± 2.0†* | 0.9 (0.02, 1.9) |
| NFC | |||
| Low (R)c | 8.8 ± 2.1 | 9.4 ± 2.3 | 0.56 (−0.8, 1.9) |
| Highd | 7.6 ± 2.1* | 9.3 ± 2.1† | 1.7 (0.7, 2.7) |
Data are presented as mean ± SD
(R) = Reference Group.
*
P < 0.05 vs Reference group.
†
P < 0.05 vs Standard
a
Low literacy = 0–60 (3rd – 8th grade equivalence),
b
High literacy = 61–66 (≥9th grade) on Rapid Estimate of Adult Literacy in Medicine scale (REALM), CI = Confidence interval NFC = Need for Cognition.
c
Low NFC = 0–21,
d
High NFC = ≥ 22 Cut-off based on median split.