Table 3. Results from a series of longitudinal negative binomial regression models investigating the association between tertiles of prudent and western diet intake at baseline and subsequent number of depressive symptoms reported at waves 2 and 3 for study respondents in the oldest cohort.
60s | Model 1* | Model 2 * + baseline depressive symptoms | Model 3 * + socioeconomic circumstances | Model 4 * + health behaviours | Model 5 * + CVD risk factors | ||||||
Prudent diet | Low | 1.31 | 1.12–1.53 | 1.21 | 1.04–1.41 | 1.19 | 1.02–1.38 | 1.19 | 1.01–1.40 | 1.18 | 1.01–1.39 |
Medium | 1.11 | 0.97–1.27 | 1.08 | 0.95–1.23 | 1.08 | 0.95–1.22 | 1.08 | 0.94–1.23 | 1.08 | 0.94–1.24 | |
High | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||||||
Western diet | Low | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | |||||
Medium | 1.03 | 0.90–1.18 | 0.95 | 0.83–1.09 | 0.95 | 0.83–1.08 | 0.93 | 0.80–1.06 | 0.92 | 0.80–1.06 | |
High | 1.39 | 1.20–1.62 | 1.22 | 1.06–1.41 | 1.20 | 1.03–1.39 | 1.17 | 1.00–1.36 | 1.14 | 0.98–1.34 | |
Wave 1 dep score | 1.34 | 1.30–1.38 | 1.33 | 1.29–1.37 | 1.33 | 1.28–1.37 | 1.32 | 1.27–1.36 | |||
Socioeconomic position | 1.07 | 1.01–1.14 | 1.04 | 0.98–1.11 | 1.03 | 0.97–1.10 | |||||
Baseline Physical activity | None/mild | 1.00 | 1.00 | ||||||||
Moderate | 0.90 | 0.78–1.02 | 0.90 | 0.79–1.03 | |||||||
Vigorous | 0.89 | 0.74–1.07 | 0.92 | 0.77–1.12 | |||||||
Baseline Smoking | 1.27 | 1.03–1.56 | 1.29 | 1.05–1.59 | |||||||
Baseline Hypertension | 1.16 | 1.01–1.34 | |||||||||
Baseline Diabetes | 1.00 | 0.72–1.39 | |||||||||
Baseline Heart Problems | 0.97 | 0.77–1.39 | |||||||||
Baseline Stroke/TIA | 1.05 | 0.72–1.54 | |||||||||
Time-varying Hypertension | 0.87 | 076–0.99 | |||||||||
Time-varying Diabetes | 1.17 | 0.92–1.48 | |||||||||
Time-varying Heart Problems | 1.10 | 0.92–1.33 | |||||||||
Time-varying Stroke/TIA | 1.12 | 0.87–1.45 |
controlling for sex, wave.