From: A reverse factual analysis of the association between smoking and memory decline in China
Var1: Self-evaluation memory | Estimate | Std.Error | T value | Pr(>|t|) |
 Intercept | 0.1478 | 0.0082 | 18.059 | 0.000*** |
 Used to smoke and still now | −0.0283 | 0.0230 | −1.232 | 0.218 |
 Used to smoke but not now | 0.0054 | 0.0383 | 0.141 | 0.888 |
Var2: Daily living abilities | Estimate | Std.Error | T value | Pr(>|t|) |
 Intercept | 0.5529 | 0.0115 | 48.222 | 0.000*** |
 Used to smoke and still now | −0.0735 | 0.0357 | −2.057 | 0.034* |
 Used to smoke but not now | −0.0224 | 0.0531 | −0.422 | 0.672 |
Var3: Cognitive function | Estimate | Std.Error | T value | Pr(>|t|) |
 Intercept | 0.3721 | 0.0111 | 33.385 | 0.000*** |
 Used to smoke and still now | −0.0091 | 0.0346 | −0.262 | 0.793 |
 Used to smoke but not now | 0.0104 | 0.0525 | 0.198 | 0.843 |