Table 1.
Exposure variables |
At birth | At 7 years | At 11 years | At 16 years | ||||
---|---|---|---|---|---|---|---|---|
N | n (%) | N | n (%) | N | n (%) | N | n (%) | |
Male sex | 17,415 | 8411 (48.3) | 15,425 | 7508 (48.7) | 15,336 | 7450 (48.5) | 14,654 | 7107 (48.5) |
Manual social class |
17,415 | 10,371 (59.6) | 15,425 | 8,688 (56.3) | 15,336 | 7,785 (50.7) | 14,654 | 6,064 (41.4) |
Council/ rented accommodation |
17,415 | 8958 (51.4) | 15,425 | 8958 (58.1) | 15,336 | 9016 (58.7) | 14,654 | 8835 (60.2) |
Financial difficulties |
17,415 | 1102 (6.3) | 15,425 | 1102 (7.1) | 15,336 | 1518 (9.8) | 14,654 | 1198 (8.2) |
Single parent (mother) |
17,415 | 681 (3.9) | - | - | - |