Table 8. Relationship between age, metabolic status, and cognitive functioning.

	Age Group & Metabolic Status: Mean (Standard Error)
Variable	Young Control (n = 20)	Young Metabolic (n = 22)	Middle-age Control (n = 18)	Middle-age Metabolic (n = 23)	Older Control (n = 22)	Older Metabolic (n = 23)
Color-Word Interference
Color Naming	27.90 (1.05)	29.05 (1.49)	29.76 (1.56)	31.78 (1.41)	31.41 (1.56)	33.20 (1.69)
Word Reading	20.40 (.87)	22.05 (1.19)	22.82 (1.36)	22.67 (.90)	23.23 (1.27)	25.75 (1.44)
Inhibition	43.85 (1.32)	51.47 (4.71)	49.47 (2.98)	58.44* (2.69)	66.05 (3.98)	70.20* (4.50)
Inhibition Switching	50.65 (1.71)	55.74 (2.30)	59.35 (5.21)	60.83 (4.00)	73.09 (4.66)	72.79 (6.85)
Trails
Visual Scanning	20.20 (1.34)	17.26 (1.16)	18.82 (.79)	19.78 (1.16)	24.50 (1.66)	24.86 (1.56)
Number	27.00 (1.69)	23.63 (1.63)	27.82 (1.87)	29.56 (2.02)	41.14 (5.10)	41.38 (4.06)
Letter	25.45 (1.63)	26.16 (2.25)	28.00 (1.86)	32.56 (2.53)	43.32 (4.19)	40.05 (3.33)
Number-Letter Switching	60.95 (4.97)	55.84 (2.72)	65.82 (6.17)	84.00 (7.50)	114.32 (13.67)	105.86 (9.51)
Motor Speed	22.00 (1.71)	22.32 (.94)	26.18 (2.36)	25.22 (1.48)	32.77 (4.07)	35.14 (2.78)
Design Fluency
Filled Dots	10.65 (.69)	11.68 (.90)	12.06 (1.02)	9.89* (.77)	10.09 (.96)	7.81 (.67)
Empty Dots	11.80 (9.55)	12.21 (.79)	13.59 (.78)	11.50**ss (1.04)	11.00 (.96)	9.24 (.76)
Switching	9.55 (.44)	9.58 (.67)	8.71 (.57)	8.39* (.63)	6.86 (.59)	7.10 (.61)
Verbal Fluency
Letter	42.80 (2.79)	43.11 (2.60)	42.24 (3.07)	41.61 (3.18)	43.27 (2.67)	41.62 (2.97)
Category	44.95 (1.63)	46.21 (1.77)	43.47 (1.73)	43.72 (1.90)	39.22 (1.74)	41.76 (2.04)
Switching	15.55 (.56)	14.79 (.72)	15.82 (.61)	15.22 (.59)	13.27 (.63)	13.00 (.72)

Note. Significant exploratory analyses are denoted here using *** = p < .001;

** = p < .01;

* = p < .05.