Table 2.
Cumulative ginseng intake |
F value for ANOVA F(2, 6420) |
Post hoca |
F value for ANCOVAb F(2, 4762) |
Post hoca | |||
---|---|---|---|---|---|---|---|
Baseline neuropsychological tests | No use (N = 5745) |
Low use (< 5 years) (N = 491) |
High use (≥ 5 years) (N = 186) |
||||
CERAD total score | 60.2 ± 14.9 | 64.8 ± 12.3 | 68.1 ± 10.8 | 47.049* | 0 < 1 < 2 | ||
62.3 ± 13.6 | 65.9 ± 11.7 | 68.5 ± 10.7 | 3.978** | 0 < 2 | |||
MMSE-DS score | 25.2 ± 4.2 | 26.3 ± 3.1 | 27.0 ± 2.2 | 32.825* | 0 < 1, 0 < 2 | ||
25.9 ± 0.043 | 26.1 ± 0.139 | 26.2 ± 0.221 | 1.174 |
Data shown as mean ± standard deviation for analysis of variance (ANOVA), adjusted mean ± standard error for analysis of covariance (ANCOVA)
CERAD Consortium to Establish a Registry for Alzheimer’s Disease, MMSE-DS Mini-Mental State Examination for dementia screening
*p < 0.001; **p = 0.019
aPost-hoc analysis using Bonferroni; 0, 1, and 2 denote no-users, low ginseng intake group (< 5 years), and high ginseng intake group (≥ 5 years) respectively
bANCOVA adjusted for age, sex, years of education, socioeconomic status, body mass index, smoking (pack-years), alcohol intake (units in lifetime), presence of hypertension, stroke history, Korean version of Geriatric Depression Scale, Cumulative Illness Rating Scale, and presence of APOE e4 allele