Risk ratios for not working securely in foundation stage profile scales according to gestational age in Millennium Cohort Study children
| Gestational age (weeks) | |||||
|---|---|---|---|---|---|
| 23–31; very preterm; N=84 | 32–33; moderately preterm; N=92 | 34–36; late preterm; N=471 | 37–38; early term; N=1596 | 39–41; full term; N=5407 | |
| Not good level of overall achievement | |||||
| N (%) | 56 (65.7%) | 56 (62.6%) | 276 (58.6%) | 900 (54.9%) | 2853 (50.6%) |
| RR* (95% CI) | 1.32 (1.10, 1.58) | 1.27 (1.02, 1.57) | 1.17 (1.08, 1.28) | 1.09 (1.03, 1.15) | 1 |
| RR† (95% CI) | 1.19 (1.00, 1.42) | 1.19 (0.98, 1.45) | 1.12 (1.04, 1.22) | 1.05 (1.00, 1.11) | 1 |
| Not working securely in all three scales of personal, social and emotional development | |||||
| N (%) | 36 (43.6%) | 30 (32.9%) | 148 (29.4%) | 485 (29.2%) | 1456 (25.2%) |
| RR* (95% CI) | 1.80 (1.33, 2.45) | 1.40 (0.99, 1.98) | 1.21 (1.04, 1.41) | 1.17 (1.06, 1.30) | 1 |
| RR† (95% CI) | 1.53 (1.16, 2.00) | 1.25 (0.92, 1.72) | 1.14 (0.99, 1.32) | 1.11 (1.01, 1.22) | 1 |
| Not working securely in all four scales of communication, language and literacy | |||||
| N (%) | 52 (60.7%) | 53 (58.9%) | 255 (54.3%) | 845 (51.8%) | 2652 (47%) |
| RR* (95% CI) | 1.31 (1.08, 1.58) | 1.28 (1.02, 1.60) | 1.17 (1.06, 1.29) | 1.11 (1.04, 1.18) | 1 |
| RR† (95% CI) | 1.17 (0.99, 1.39) | 1.21 (0.98, 1.48) | 1.11 (1.02, 1.22) | 1.07 (1.01, 1.13) | 1 |
| Not working securely in all three scales of mathematical development | |||||
| N (%) | 46 (54.4%) | 37 (41.6%) | 174 (36.1%) | 584 (35.6%) | 1745 (30.1%) |
| RR* (95% CI) | 1.84 (1.43, 2.37) | 1.42 (1.03, 1.97) | 1.22 (1.05, 1.41) | 1.19 (1.09, 1.3) | 1 |
| RR† (95% CI) | 1.56 (1.21, 2.01) | 1.35 (1.02, 1.8) | 1.16 (1, 1.34) | 1.13 (1.05, 1.22) | 1 |
| Not working securely in the ‘knowledge and understanding of the world’ scale | |||||
| N (%) | 26 (29.7%) | 23 (26.9%) | 126 (25.8%) | 392 (23.6%) | 1141 (19.5%) |
| RR* (95% CI) | 1.60 (1.06, 2.4) | 1.50 (0.91, 2.46) | 1.37 (1.13, 1.67) | 1.22 (1.1, 1.36) | 1 |
| RR† (95% CI) | 1.32 (0.9, 1.93) | 1.47 (0.93, 2.33) | 1.30 (1.08, 1.56) | 1.16 (1.05, 1.29) | 1 |
| Not working securely in the ‘physical development’ scale | |||||
| N (%) | 18 (21.8%) | 14 (18.2%) | 67 (13.6%) | 208 (12.1%) | 570 (9.7%) |
| RR* (95% CI) | 2.22 (1.38, 3.56) | 1.84 (1.05, 3.21) | 1.38 (1, 1.92) | 1.25 (1.05, 1.49) | 1 |
| RR† (95% CI) | 1.82 (1.12, 2.96) | 1.64 (0.99, 2.73) | 1.27 (0.92, 1.74) | 1.16 (0.99, 1.37) | 1 |
| Not working securely in the ‘creative development’ | |||||
| N (%) | 32 (37%) | 24 (28.6%) | 117 (23.1%) | 373 (22%) | 1077 (18.3%) |
| RR* (95% CI) | 2.11 (1.5, 2.97) | 1.68 (1.04, 2.69) | 1.31 (1.08, 1.58) | 1.21 (1.08, 1.36) | 1 |
| RR† (95% CI) | 1.77 (1.3, 2.41) | 1.46 (0.94, 2.27) | 1.22 (1.02, 1.46) | 1.12 (1, 1.24) | 1 |
Actual number but weighted percentage (n=7650).
↵* RR adjusted for multiple birth (n=7650).
↵† RR adjusted for child's sex, ethnicity, whether firstborn, multiple birth, breastfeeding duration, month of birth (age within the school year) and mother's age, marital status, education, social class and whether languages other than English were spoken at home (n=7644).