Table 1.
Selected characteristics for the LBC1936 sample (N = 281).
| Characteristic | Mean (±SD); N (%) |
|---|---|
| Sex | |
| Female | 134 (48) |
| Father’s Occupational Social Class | |
| Professional-managerial (I/II) | 62 (22) |
| Skilled, partly skilled, unskilled (III/IV/V) | 203 (72) |
| Missing | 16 (6) |
| Participant’s Occupational Social Class | |
| Professional-managerial (I/II) | 151 (54) |
| Skilled, partly skilled, unskilled (III/IV/V) | 127 (45) |
| Missing | 3 (1) |
| Public parks (%) | |
| Childhood Index | 8.6 ± 7.3 |
| Adolescence Index | 9.1 ± 6.9 |
| Road traffic accident density (per km2) | |
| Childhood Index | 6.9 ± 3.6 |
| Adolescence Index | 14.5 ± 5.2 |
| Change in cognitive function from age 70 to age 76 on Moray House Test | 1.01 ± 0.95 |
| Missing | 0 |
Notes: For continuous variables, the mean is presented with the standard deviation. For categorical variables, the number is presented with the percentage in brackets. The percentages may not add to 100 due to rounding.