Table 1 |
||
| Descriptive statistics of variables (adjusted for missing observations) | ||
| Variables | Observations | Mean(SD) /% |
| Dependent variable (HRQoL) | ||
| EQ-5D | 5453 | 0.86 (0.23) |
| Missing | 84 | 1.5 |
| Independent variables (PA) | ||
| Walking | ||
| Active | 873 | 15.8 |
| Inactive | 4664 | 84.2 |
| Sports and exercise | ||
| Active | 660 | 11.9 |
| Inactive | 4877 | 88.1 |
| Objective measurement* | ||
| Active | 102 | 11.5 |
| Inactive | 783 | 88.5 |
| Missing | 4652 | 84 |
| Subjective measurement** | ||
| Active | 2452 | 44.4 |
| Inactive | 3067 | 55.6 |
| Missing | 18 | 0.3 |
| Independent variables (covariates) | ||
| Age | 5537 | 50(6.2) |
| Gender | ||
| Male | 2519 | 45.5 |
| Female | 3018 | 54.5 |
| Marital status | ||
| Other | 30 | 0.5 |
| Married (living with partner) | 3618 | 65.3 |
| Single | 735 | 13.3 |
| Separated | 208 | 3.8 |
| Divorced | 816 | 14.7 |
| Widowed | 135 | 2.4 |
| Income | 4535 | 35591.2 (29210) |
| Missing | 1002 | 18.1 |
| Income (missing observations imputed for) | 5537 | 35008.3 (26987.7) |
| Drink alcohol | ||
| Yes | 4702 | 84.9 |
| No | 823 | 14.9 |
| Missing | 12 | 0.2 |
| Smokers | ||
| Yes | 1206 | 21.8 |
| No | 1926 | 34.8 |
| Missing | 2405 | 43.4 |
| BMI | ||
| Underweight (under 18.5) | 30 | 0.5 |
| Normal (18.5 – 25) | 1487 | 26.9 |
| Overweight (25 – 30) | 1885 | 34 |
| Obese (30+) | 1418 | 25.6 |
| Missing | 717 | 13 |
| Ethnicity | ||
| White | 5029 | 90.8 |
| Mixed | 44 | 0.8 |
| Asian | 260 | 4.7 |
| Black | 140 | 2.5 |
| Chinese | 28 | 0.5 |
| Other | 17 | 0.3 |
| Missing | 19 | 0.3 |
| Education | ||
| Nvq4/nvq5/degree or equivalent | 1228 | 22.2 |
| Higher education below degree | 746 | 13.5 |
| Nvq3/GCE ‘A’ level equivalent | 749 | 13.5 |
| Nvq2/GCE ‘O’ level equivalent | 1404 | 25.4 |
| Nvq1/CSE other grade equivalent | 239 | 4.5 |
| Foreign/other | 53 | 1.0 |
| No qualification | 1102 | 19.9 |
| Missing | 16 | 0.3 |
| Employment status | ||
| Employed | 4215 | 76.1 |
| Unemployed | 163 | 2.9 |
| Retired | 259 | 4.7 |
| Other economically inactive | 884 | 16 |
| Missing | 16 | 0.3 |
*The distribution of objective measurement (missing observations imputed for) is: active (111;2%) inactive(5426;98%) ** The distribution of subjective measurement (missing observations imputed for) is: active (2465; 44.5%) inactive (3072; 55.5%). If restricted to observations with values for objective measurement, the distribution of subjective measurement (missing observations imputed for) is: active (408; 46.1%) inactive (477; 53.9%).
Anokye et al. BMC Public Health 2012 12:624 doi:10.1186/1471-2458-12-624
