Table 1 Number of participants and their characteristics. Midrange BMI is defined as 18.5–25. Optimal sleep is defined as 7–9 h a night. Healthy diet is defined as having 2 or more of 3 healthy diet attributes (sufficiently low meat, high fruit/vegetable, high fish). Physical activity is measured in MET minutes per week. Screen time is measured as the number of hours of non-work computer and TV time per day. Alcohol frequency is given as 1 = ‘never’, 2 = ‘special occasions only’, 3 = ‘one to three times per month’, 4 = ‘once or twice per week’, and 5 = ‘three to four times per week’. Social deprivation measured using the Townsend deprivation index based on postcode
Baseline measures | Baseline and follow-up measures | |||
|---|---|---|---|---|
Depression | Non-depression | Depression | Non-depression | |
Number of participants | 18,793 | 66,067 | 7050 | 24,293 |
Age (mean (sd)) | 55.3 (8) | 57.1 (8.1) | 55.1 (7.7) | 56.8 (7.8) |
Women (%) | 64.6% | 47.7% | 67.2% | 49.6% |
Caucasian (%) | 94.4% | 92.1% | 96.4% | 95.5% |
Current smoker (%) | 12.8% | 7.8% | 9.1% | 6.1% |
Midrange BMI (%) | 32% | 34.3% | 36.2% | 39.3% |
Optimal sleep (%) | 70.5% | 76.3% | 74.1% | 78.8% |
Healthy diet (%) | 38.3% | 37% | 39% | 37.4% |
Physical activity (mean (sd)) | 2663 (2743) | 2765 (2712) | 2493 (2488) | 2588 (2458) |
Screen time (mean (sd)) | 3.9 (2.4) | 3.8 (2.2) | 3.8 (2.3) | 3.7 (2.1) |
Alcohol frequency (mean (sd)) | 4 (1.6) | 4.2 (1.5) | 4.1 (1.5) | 4.4 (1.4) |
Social deprivation (mean (sd)) | − 1 (3) | − 1.4 (2.8) | − 1.2 (2.8) | − 1.7 (2.6) |