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. 2014 Sep;46:9–17. doi: 10.1016/j.intell.2014.04.005

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.