Table 2 Number of GCSE subjects taken by index cases and controls attending schools of different types.
| School type | Pupil group (No of pupils) | Number of GCSE examinations taken | ||||
|---|---|---|---|---|---|---|
| 0‡ | 1–4‡ | 5–10‡ | >10‡ | Mean (SD) | ||
| Comprehensive | Index (385) | 24 (6.2) | 12 (3.2) | 285 (74.0) | 64 (16.6) | 8.43 (3.5)* |
| Control (232) | 5 (2.2) | 6 (2.5) | 176 (76.0) | 45 (19.3) | 9.20 (2.1) | |
| Grammar | Index (14) | 1 (7.1) | 0 | 9 (64.4) | 4 (28.5) | 9.21 (3.0) † |
| Control (24) | 0 | 0 | 13 (54.2) | 11 (45.8) | 10.33 (1.0) | |
| Independent | Index (25) | 0 | 0 | 21 (84.0) | 4 (16.0) | 9.28 (1.4) † |
| Control (32) | 0 | 0 | 25 (78.1) | 7 (21.9) | 9.62 (1.1) | |
| Special | Index (36) | 26 (72.1) | 6 (16.7) | 4 (11.2) | 0 | – |
| Control (0) | – | – | – | – | ||
*Significant difference in means: p = 0.0002 (t test); †difference in means not significant; ‡results are shown as No (%) of pupils.