Table 4.
Definition of variables used in regression analyses
| Variable | Definition |
|---|---|
| Visited GP | Having visited GP in the past 12 months |
| Age group | 16–24 |
| 25–34 | |
| 35–44 | |
| 45–54 | |
| Education | Age person finished continuous full-time education. =1 if ≥19 |
| BMI | Body mass index |
| Smoking status | Never smoker |
| Ex-occasional smoker | |
| Never smoker | |
| Ethnic | Black |
| Asian | |
| Mixed | |
| Any other | |
| Gender | Male = 1 |
| Tertile of income | Lowest tertile (≤17,402) |
| Second tertile (17,402–34,788) | |
| Highest tertile (>34,788) | |
| BMI categories | |
| Others1 | |
| Underweight | Below 18.5 |
| Normal weight | 18.5–24.9 |
| At risk (overweight) | 25–29.9 |
| At higher risk (obese) | 30+ |
| Chinese1 | |
| Underweight | Below 18.5 |
| Normal weight | 18.5–22.9 |
| At risk (overweight) | 23–27.49 |
| At higher risk (obese) | 27.5+ |
| Indian, Pakistani, Bangladeshi2 | |
| Underweight | <18 |
| Normal weight | 18–22.9 |
| At risk (overweight) | 23–24.9 |
| At higher risk (obese) | 25+ |