Table 3.
Association between diet glycaemic index (GI) at age 53 years and cognitive function test results at age 69 years, analysed as continuous outcome variables by linear regression (n 1252): 1946 British birth cohort
| GI continuous | ||||||
|---|---|---|---|---|---|---|
| Verbal memory score | Letter search speed | |||||
| Regression coefficient | 95% CI | P value | Regression coefficient | 95% CI | P value | |
| Model 1 | −0·26 | −0·34, −0·18 | <0·001 | −1·65 | −2·65, −0·65 | 0·001 |
| Model 2 | −0·22 | −0·30, −0·14 | <0·001 | −1·39 | −2·42, −0·36 | 0·008 |
| Model 3 | −0·01 | −0·09, 0·07 | 0·805 | −0·60 | −1·67, 0·47 | 0·269 |
| Model 4 | 0·01 | −0·07, 0·08 | 0·897 | −0·32 | −1·41, 0·77 | 0·568 |
| Model 5 | 0·01 | −0·08, 0·09 | 0·918 | −0·59 | −1·75, 0·57 | 0·318 |
| Model 6 | 0·03 | −0·04, 0·10 | 0·370 | −0·22 | −1·22, 0·79 | 0·674 |
Model 1: unadjusted.
Model 2: adjusted for sex.
Model 3: adjusted for cognitive abilities at age 15 years, educational attainment and occupational social class.
Model 4: as model 3 and further adjusted for BMI, waist circumference, smoking status, physical activity, blood pressure, HDL-cholesterol, TAG and antihypertensive medication.
Model 5: as model 4 and further adjusted for energy intake, percentage of energy from fat, saturated fat, alcohol and carbohydrate, NSP intake (g/d) and energy intake:estimated energy requirement.
Model 6: as model 5 and further adjusted for cognition at age 53 years.