No nursery | Nursery attended | P value for difference | Normal-late school attendance (≥5 years) | Early school attendance (<5 years) | P value for difference | ||
Total sample | 10 523 (82.4) | 2241 (17.6) | 7104 (49.3) | 7296 (50.6) | |||
Male | 5368 (51.0) | 1135 (50.6) | <0.8 | 3693 (52.0) | 3692 (50.6) | 0.1 | |
Manual father’s social class | 7303 (75.0) | 1294 (64.3) | <0.001 | 4720 (72.7) | 4938 (73.0) | <0.01 | |
Non-attendance of mother at postcompulsory school | 7933 (78.1) | 1418 (66.4) | <0.001 | 5237 (76.9) | 5206 (73.8) | <0.01 | |
Overcrowding in the home (>1 person/room) | 3281 (33.0) | 558 (26.8) | <0.001 | 2337 (35.0) | 1916 (27.8) | <0.01 | |
Mother little interested in child’s education | 1524 (16.0) | 286 (14.3) | <0.001 | 1118 (17.6) | 905 (13.6) | <0.01 | |
Mother smoked prior to pregnancy | 3874 (39.1) | 782 (37.9) | 0.21 | 2635 (39.8) | 2608 (37.9) | 0.03 | |
Mother did not breast feed | 3402 (32.6) | 604 (27.2) | <0.001 | 2323 (33.1) | 2186 (30.2) | <0.01 | |
Mother’s weight >10 stones | 2814 (28.3) | 555 (26.5) | 0.16 | 1868 (28.0) | 1935 (27.9) | 0.5 | |
Own manual occupational social class (42 years) | 2278 (37.4) | 361 (28.8) | <0.001 | 1493 (37.5) | 1474 (34.1) | <0.01 |
Results are N (%).