The individual contributions of each of the fluid cognitive abilities to the relationship between age and health literacy, the LitCog Cohort, 2008–2010 (n=774)
| Model 1 age only | Model 2 age+ processing speed | Model 3 age+working memory | Model 4 age+inductive reasoning | Model 5 age+prospective memory | Model 6 age+long-term memory | |
|---|---|---|---|---|---|---|
| β (95% CI) | β (95% CI) | β (95% CI) | β (95% CI) | β (95% CI) | β (95% CI) | |
| TOFHLA score | ||||||
| Age (years) | ||||||
| 55–59 | – | – | – | – | – | – |
| 60–64 | −0.13 (−0.27 to 0.00) | 0.01 (−0.11 to 0.12) | −0.06 (−0.18 to 0.06) | −0.04 (−0.16 to 0.08) | −0.13 (−0.26 to 0.003) | −0.14 (−0.27 to −0.01) |
| 65–69 | −0.15 (−0.31 to 0.00) | 0.01 (−0.12 to 0.14) | −0.04 (−0.18 to 0.10) | −0.06 (−0.20 to 0.07) | −0.14 (−0.29 to 0.01) | −0.14 (−0.29 to 0.01) |
| 70–74 | −0.39 (−0.55 to −0.22) | −0.06 (−0.20 to 0.08) | −0.22 (−0.36 to 0.07) | −0.17 (−0.31 to −0.02) | −0.35 (−0.51 to −0.19) | −0.29 (−0.45 to −0.13) |
| Adjusted R2 | 0.43 | 0.60 | 0.54 | 0.56 | 0.45 | 0.46 |
| NVS score | ||||||
| Age (years) | ||||||
| 55–59 | – | – | – | – | – | – |
| 60–64 | −0.04 (−0.16 to 0.09) | 0.04 (−0.08 to 0.16) | 0.01 (−0.11 to 0.13) | 0.04 (−0.07 to 0.16) | −0.03 (−0.16 to 0.09) | −0.05 (−0.17 to 0.08) |
| 65–69 | −0.11 (−0.25 to 0.04) | −0.01 (−0.15 to 0.13) | −0.03 (0.16 to 0.11) | −0.03 (−0.16 to 0.10) | −0.09 (−0.23 to 0.05) | −0.10 (−0.24 to 0.05) |
| 70–74 | −0.38 (−0.53 to −0.22) | −0.21 (−0.36 to 0.06) | −0.26 (−0.40 to −0.11) | −0.19 (−0.33 to −0.05) | −0.34 (−0.49 to −0.19) | −0.28 (−0.43 to −0.13) |
| Adjusted R2 | 0.50 | 0.55 | 0.55 | 0.59 | 0.52 | 0.53 |
All models adjusted for sex, race/ethnicity, education, marital status, and number of chronic conditions.
NVS, Newest Vital Sign; TOFHLA, Test of Functional Health Literacy in Adults.