Table 3 Serum cholesterol concentration (mmol/L) after two 4-week periods of coffee consumption (week 3 – 7 and week 10 – 14) for APOE ε2-positive (n = 13) and APOE ε2-negative (n = 108) individuals

n = 13

n = 107/103 ^a

First trial period

week 3

4.49 (0.71)

5.05 (0.90)

week 7

4.52 (0.71)

5.34 (0.93)

diff week 3–7

0.03 (0.57)

0.29 (0.57)

0.09 ^b

p (diff 3–7)

0.70

<0.0001 ^c

Second trial period

week 10

4.34 (0.64)

4.95 (0.89)

week 14

4.54 (0.84)

5.09 (0.85)

diff week 10–14

0.20 (0.47)

0.14 (0.59)

0.37 ^b

p (diff 10–14)

0.15

0.009 ^c