Odds Ratios for low mental well-being (14–42), as compared to middle-range mental well-being (43–59), across lifestyle variables
| Model 1 Unadjusted OR (95% CI) | Model 2 Partially adjusted OR (95% CI) | Model 3 Fully adjusted OR (95% CI) | P value for significant ones | P value for linear trend | P for interaction with sex | |
|---|---|---|---|---|---|---|
| Body Mass Index (kg/m2) | ||||||
| 18.5 kg/m2 to 25 kg/m2 | Ref | Ref | Ref | |||
| <18.5 kg/m2 | 1.87 (1.30–2.69) | 1.82 (1.26–2.61) | 1.46 (0.95–2.24) | 0.000 | 0.334 | |
| 25 kg/m2 to <30 kg/m2 | 0.92 (0.82–1.05) | 0.97 (0.85–1.09) | 1.03 (0.89–1.18) | |||
| 30 kg/m2 to <40 kg/m2 | 1.25 (1.10–1.43) | 1.31 (1.14–1.50) | 1.24 (1.04–1.43) | 0.012 | ||
| 40+ kg/m2 | 2.25 (1.73–2.93) | 2.28 (1.75–2.97) | 1.72 (1.26–2.36) | 0.001 | ||
| Alcohol drinking | ||||||
| Never drinker | Ref | Ref | Ref | 0.246 | ||
| ≤4 /day/men or ≤3 /day/women | 0.59 (0.52–0.66) | 0.59 (0.52–0.67) | 0.78 (0.66–0.91) | 0.002 | 0.777 | |
| >4 and ≤8/men or >3 and ≤6/women | 0.65 (0.57–0.75) | 0.66 (0.57–0.76) | 0.82 (0.69–0.99) | 0.043 | ||
| >8 /day/men or >6 /day women | 0.78 (0.68–0.89) | 0.79 (0.69–0.91) | 0.87 (0.73–1.04) | |||
| Ex-Drinker | 1.55 (1.28–1.87) | 1.55 (1.29–1.87) | 1.22 (0.93–1.59) | |||
| Smoking | ||||||
| Never Smoking | Ref | Ref | Ref | 0.000 | 0.866 | |
| Light Smoker <10/day | 1.67 (1.40–1.99) | 1.70 (1.43–2.03) | 1.45 (1.15–1.80) | 0.001 | ||
| Moderate Smoker 10 to <20/day | 2.06 (1.76–2.41) | 2.08 (1.78–2.44) | 1.56 (1.27–1.92) | <0.001 | ||
| Heavy Smoker >20/day | 3.16 (2.62–3.81) | 3.21 (2.67–3.87) | 1.98 (1.55–2.53) | <0.001 | ||
| Ex-Smoker | 1.16 (1.04–1.30) | 1.16 (1.04–1.30) | 1.15 (0.99–1.32) | |||
| Fruit and vegetable intake | ||||||
| 5 or more portions/day | Ref | Ref | Ref | 0.000 | 0.028 | |
| 3 to <5 portions /day | 1.09 (0.96–1.25) | 1.09 (0.96–1.25) | 0.97 (0.82–1.14) | |||
| 1 to <3 portions/day | 1.61 (1.42–1.83) | 1.64 (1.44–1.86) | 1.11 (0.94–1.31) | |||
| <1 portion/day | 1.29 (1.94–2.70) | 2.35 (1.99–2.78) | 1.53 (1.24–1.90) | 0.000 |
Model 1: unadjusted; Model 2: adjusted for age and sex; Model 3: fully adjusted for sociodemographic variables (age, sex, marital status, education, employment status, equivalised household income, ethnicity) and lifestyle variables (BMI, smoking, alcohol drinking and fruit and vegetable consumption).