TABLE 2.
Characteristics of children with and without at least one GP‐BMI record, by age group
| Age 5 | Age 11 | |||||||
|---|---|---|---|---|---|---|---|---|
| Never | Ever | Never | Ever | |||||
| n | % (95% CI a ) | n | % (95% CI a ) | n | % (95% CI a ) | n | % (95% CI a ) | |
| Local authority b | ||||||||
| City and Hackney | 8823 |
34.8 (34.2,35.4) |
1098 |
37.0 (35.3,38.8) |
6397 |
34.1 (33.4,34.8) |
2220 |
33.6 (32.5,34.8) |
| Newham | 11 681 |
46.0 (45.4,46.7) |
1298 |
43.8 (42.0,45.6) |
8463 |
45.1 (44.4,45.8) |
3093 |
46.9 (45.7,48.1) |
| Tower Hamlets | 4862 |
19.2 (18.7,19.7) |
568 |
19.2 (17.8,20.6) |
3907 |
20.8 (20.2,21.4) |
1285 |
19.5 (18.5,20.4) |
| Sex | ||||||||
| Male | 12 796 |
50.4 (49.8,51.1) |
1620 |
54.7 (52.9,56.4) |
9370 |
49.9 (49.2,50.6) |
3503 |
53.1 (51.9,54.3) |
| Female | 12 570 |
49.6 (48.9,50.2) |
1344 |
45.3 (43.6,47.1) |
9397 |
50.1 (49.4,50.8) |
3095 |
46.9 (45.7,48.1) |
| Ethnic background c | ||||||||
| White | 6227 |
24.5 (24.0,25.1) |
602 |
20.3 (18.9,21.8) |
3654 |
19.5 (18.9,20.0) |
1212 |
18.4 (17.5,19.3) |
| Mixed and Other | 4677 |
18.4 (18.0,18.9) |
489 |
16.5 (15.2,17.9) |
3954 |
21.1 (20.5,21.7) |
1266 |
19.2 (18.3,20.2) |
| South Asian | 8686 |
34.2 (33.7,34.8) |
1230 |
41.5 (39.7,43.3) |
6230 |
33.2 (32.5,33.9) |
2582 |
39.1 (38.0,40.3) |
| Black | 5279 |
20.8 (20.3,21.3) |
595 |
20.1 (18.7,21.6) |
3911 |
20.8 (20.3,21.4) |
1287 |
19.5 (18.6,20.5) |
| Missing | 497 |
2.0 (1.8,2.1) |
48 |
1.6 (1.2,2.1) |
1018 |
5.4 (5.1,5.8) |
251 |
3.8 (3.4,4.3) |
| IMD quintile d | ||||||||
| 1 ‐ most deprived | 16 161 |
63.7 (63.1,64.3) |
2084 |
70.3 (68.6,71.9) |
12 054 |
64.2 (63.5,64.9) |
4447 |
67.4 (66.3,68.5) |
| 2 | 8151 |
32.1 (31.6,32.7) |
799 |
27.0 (25.4,28.6) |
5906 |
31.5 (30.8,32.1) |
1961 |
29.7 (28.6,30.8) |
| 3 | 768 |
3.0 (2.8,3.2) |
60 |
2.0 (1.6,2.6) |
606 |
3.2 (3.0,3.5) |
156 |
2.4 (2.0,2.8) |
| 4 | 201 |
0.8 (0.7,0.9) |
13 |
0.4 (0.3,0.8) |
156 |
0.8 (0.7,1.0) |
22 |
0.3 (0.2,0.5) |
| 5 ‐ least deprived | 46 |
0.2 (0.1,0.2) |
3 |
0.1 (0.03,0.3) |
19 |
0.1 (0.06,0.2) |
7 |
0.1 (0.05,0.5) |
| Missing | 39 |
0.2 (0.1,0.2) |
5 |
0.2 (0.1,0.4) |
26 |
0.2 (0.09,0.2) |
5 |
0.1 (0.03,0.2) |
| NCMP weight status e | ||||||||
| Underweight | 445 |
1.8 (1.6,1.9) |
92 |
3.1 (2.5,3.8) |
302 |
1.6 (1.4,1.8) |
177 |
2.7 (2.3,3.1) |
| Healthy weight | 20 497 |
80.8 (80.3,81.3) |
2246 |
75.8 (74.2,77.3) |
12 298 |
65.5 (64.8,66.2) |
3894 |
59 (57.8,60.2) |
| Overweight | 2427 |
9.6 (9.2,9.9) |
291 |
9.8 (8.8,10.9) |
3191 |
17 (16.5,17.5) |
1072 |
16.2 (15.4,17.2) |
| Obese | 1997 |
7.9 (7.5,8.2) |
335 |
11.3 (10.2,12.5) |
2976 |
15.9 (15.3,16.4) |
1455 |
22.1 (21.1,23.1) |
| Long‐term condition f | ||||||||
| No | 24 457 |
96.4 (96.2,96.6) |
2260 |
76.2 (74.7,77.7) |
17 940 |
95.6 (95.3,95.9) |
4751 |
72.0 (70.9,73.1) |
| Yes | 909 |
3.6 (3.4,3.8) |
704 |
23.8 (22.3,25.3) |
827 |
4.4 (4.1,4.7) |
1847 |
28.0 (26.9,29.1) |
95% confidence interval.
Local authority which collected the National Child Measurement Programme (NCMP) data.
Ethnic background as recorded in NCMP and supplemented with GP recorded ethnicity for those with missing NCMP ethnic group.
Index of multiple deprivation (IMD) quintile based on the NCMP recorded child's home address postcode.
Weight status based on NCMP recorded BMI categorized according to UK1990 clinical reference standard: “underweight” (BMI < 2nd centile), “healthy weight” (≥2nd to < 91st centile), “overweight” (≥91st to < 98th centile) or “obese” (≥98th centile).
Long‐term conditions included GP recorded diagnosis of: cystic fibrosis, type 1 diabetes, attention deficit hyperactivity disorder, autism or learning disability or GP prescriptions for: epilepsy, attention deficit hyperactivity disorder, or thyroid disease. Asthma was included as a long‐term condition if both GP diagnosis and prescription were present.