Table 1.
Descriptive statistics and sample sizes for each of the cognitive, religiosity, and control variables. Maximum scores are provided in parentheses after each variable name.
| Measure (max. score) | n Age 79/83/87/90 | Mean (SD) age 79 | Mean (SD) age 83 | Mean (SD) age 87 | Mean (SD) age 90 |
|---|---|---|---|---|---|
| Religious Involvement Inventory (132) | –/360/–/– | – | 73.94 (22.70) | – | – |
| SWBS — Religious Wellbeing (60) | –/338/–/– | – | 36.48 (12.32) | – | – |
| Religious attendance (4) | 466/360/–/– | 1.90 (1.19) | 1.84 (1.23) | – | – |
| Moray House Test age 11 (76) | 483 | – | 46.63 (11.92) | – | – |
| SES (5) | 537/–/–/– | 2.23 (.87) | – | – | – |
| Education | 537/–/–/– | 10.93 (2.47) | – | – | – |
| NART (50) | 537/–/–/– | 34.33 (8.16) | – | – | – |
| Raven's Matrices (60) | 532/312/200/116 | 31.38 (8.65) | 29.85 (9.13) | 27.89 (9.20) | 26.39 (8.58) |
| Verbal fluency | 536/315/205/124 | 40.19 (12.25) | 39.91 (12.77) | 40.04 (12.31) | 39.59 (13.32) |
| Logical memory (50) | 539/288/205/126 | 31.94 (12.66) | 32.80 (14.75) | 33.02 (14.60) | 33.27 (16.69) |
| General cognitive ability (g) | 529/286/200/116 | .14 (1.18) | − .02 (1.33) | − .18 (1.33) | − .29 (1.30) |
Note: General cognitive ability (g) is a latent variable calculated from the scores on Raven's Matrices, verbal fluency, and logical memory at each age.