Background
Methods
Data collection methods
Statistical analyses
Results
Characteristics | Baseline | Follow-up 1 | Follow-up 2 | Follow-up 3 |
---|---|---|---|---|
Age: Mean (SD) (n=) | 6.2 (0.307) (n = 1397) | 7.6 (0.298) (n = 1252) | 8.9 (0.302) (n = 1141) | 9.6 (0.306) (n = 489) |
Weight status: n (%) | ||||
Underweight | 40 (2.87) | 37 (2.96) | 32 (2.81) | 8 (1.67) |
Healthy weight | 1055 (75.79) | 879 (70.43) | 743 (65.29) | 298 (62.21) |
Overweight | 125 (8.98) | 140 (11.22) | 143 (12.57) | 68 (14.20) |
Obese | 172 (12.36) | 192 (15.38) | 220 (19.33) | 105 (21.92) |
CHU-9D: Mean (SD) (n=) | 0.826 (0.139) (n = 1350) | 0.863 (0.107) (n = 1215) | 0.896 (0.091) (n = 1128) | 0.905 (0.088) (n = 485) |
Underweight | 0.855 (0.131) (n = 38) | 0.825 (0.13) (n = 37) | 0.898 (0.1) (n = 32) | 0.908 (0.07) (n = 8) |
Healthy weight | 0.826 (0.14) (n = 1022) | 0.863 (0.11) (n = 852) | 0.897 (0.09) (n = 729) | 0.904 (0.09) (n = 295) |
Overweight | 0.805 (0.143) (n = 118) | 0.866 (0.1) (n = 138) | 0.899 (0.09) (n = 140) | 0.911 (0.09) (n = 68) |
Obese | 0.829 (0.128) (n = 167) | 0.865 (0.11) (n = 182) | 0.89 (0.1) (n = 217) | 0.908 (0.09) (n = 104) |
Gender: n (%) (n = 1467) | ||||
Male | 749 (51.06) | |||
Female | 718 (48.94) | |||
Ethnicity: n (%) | ||||
White | 658 (45.38) | |||
South Asian | 443 (30.53) | |||
Black African Caribbean | 115 (7.93) | |||
Other | 235 (16.20) | |||
Deprivation quintile: n (%) | ||||
Most deprived | 803 (55.53) | |||
2 | 261 (18.05) | |||
3 | 164 (11.34) | |||
4 | 122 (8.44) | |||
Least deprived | 96 (6.64) |
CHU-9D dimensions | Level | Follow-up 1 | Follow-up 2 | Follow-up 3 | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Underweight/healthy (n = 895) n (%) | Overweight/obese (n = 325) n (%) | Chi square p value | Underweight/healthy (n = 769) n (%) | Overweight/obese (n = 360) n (%) | Chi square p value | Underweight/healthy (n = 306) n (%) | Overweight/obese (n = 172) n (%) | Chi square p value | ||
Worried | No | 647 (72.29) | 220 (67.69) | 0.232 | 617 (80.23) | 294 (81.67) | 0.16 | 271 (88.56) | 147 (85.47) | 0.455 |
A little bit | 128 (14.30) | 59 (18.15) | 94 (12.22) | 32 (8.89) | 23 (7.52) | 18 (10.47) | ||||
A bit | 53 (5.92) | 24 (7.38) | 40 (5.20) | 18 (5.00) | 8 (2.61) | 4 (2.33) | ||||
Quite | 32 (3.58) | 14 (4.31) | 16 (2.08) | 13 (3.61) | 2 (0.65) | 3 (1.74) | ||||
Very | 35 (3.91) | 8 (2.46) | 2 (0.26) | 3 (0.83) | 2 (0.65) | 0 (0.00) | ||||
Sad | No | 674 (75.31) | 241 (74.15) | 0.294 | 654 (85.16) | 291 (80.83) | 0.443 | 267 (87.54) | 152 (87.86) | 0.654 |
A little bit | 124 (13.85) | 49 (15.08) | 74 (9.64) | 43 (11.94) | 30 (9.84) | 14 (8.09) | ||||
A bit | 39 (4.36) | 9 (2.77) | 23 (2.99) | 14 (3.89) | 4 (1.31) | 4 (2.31) | ||||
Quite | 28 (3.13) | 17 (5.23) | 11 (1.43) | 7 (1.94) | 3 (0.98) | 1 (0.58) | ||||
Very | 30 (3.35) | 9 (2.77) | 6 (0.78) | 5 (1.39) | 1 (0.33) | 2 (1.16) | ||||
Pain | No | 594 (66.37) | 211 (64.92) | 0.346 | 523 (68.01) | 256 (71.11) | 0.124 | 194 (63.40) | 115 (66.47) | 0.512 |
A little bit | 182 (20.34) | 79 (24.31) | 164 (21.33) | 57 (15.83) | 74 (24.18) | 42 (24.28) | ||||
A bit | 55 (6.15) | 17 (5.23) | 51 (6.63) | 32 (8.89) | 20 (6.54) | 12 (6.94) | ||||
Quite | 32 (3.58) | 12 (3.69) | 22 (2.86) | 8 (2.22) | 10 (3.27) | 2 (1.16) | ||||
Very | 32 (3.58) | 6 (1.85) | 9 (1.17) | 7 (1.94) | 8 (2.61) | 2 (1.16) | ||||
Tired | No | 412 (46.03) | 147 (45.23) | 0.859 | 382 (49.67) | 187 (51.94) | 0.652 | 133 (43.46) | 88 (50.87) | 0.244 |
A little bit | 258 (28.83) | 92 (28.31) | 219 (28.48) | 99 (27.50) | 111 (36.27) | 56 (32.37) | ||||
A bit | 86 (9.61) | 30 (9.23) | 88 (11.44) | 32 (8.89) | 38 (12.42) | 23 (13.29) | ||||
Quite | 60 (6.70) | 28 (8.62) | 40 (5.20) | 23 (6.39) | 11 (3.59) | 2 (1.16) | ||||
Very | 79 (8.83) | 28 (8.62) | 40 (5.20) | 19 (5.28) | 13 (4.25) | 4 (2.31) | ||||
Annoyed | No | 699 (78.10) | 252 (77.78) | 0.683 | 620 (80.62) | 290 (80.56) | 0.873 | 260 (84.97) | 147 (84.97) | 0.993 |
A little bit | 103 (11.51) | 31 (9.57) | 79 (10.27) | 32 (8.89) | 25 (8.17) | 14 (8.09) | ||||
A bit | 30 (3.35) | 15 (4.63) | 37 (4.81) | 19 (5.28) | 11 (3.59) | 7 (4.05) | ||||
Quite | 19 (2.12) | 7 (2.16) | 14 (1.82) | 9 (2.50) | 5 (1.63) | 3 (1.73) | ||||
Very | 44 (4.92) | 19 (5.86) | 19 (2.47) | 10 (2.78) | 5 (1.63) | 2 (1.16) | ||||
School/home work | No problems | 508 (56.82) | 188 (58.20) | 0.825 | 513 (67.06) | 239 (66.76) | 0.689 | 221 (72.46) | 124 (71.68) | 0.578 |
A few | 254 (28.41) | 89 (27.55) | 185 (24.18) | 88 (24.58) | 64 (20.98) | 39 (22.54) | ||||
Some | 81 (9.06) | 25 (7.74) | 52 (6.80) | 22 (6.15) | 12 (3.93) | 6 (3.47) | ||||
Many | 27 (3.02) | 9 (2.79) | 6 (0.78) | 6 (1.68) | 2 (0.66) | 3 (1.73) | ||||
Can’t do | 24 (2.68) | 12 (3.72) | 9 (1.18) | 3 (0.84) | 6 (1.97) | 1 (0.58) | ||||
Sleep | No problems | 475 (53.31) | 172 (53.42) | 0.174 | 482 (63.17) | 227 (63.23) | 0.396 | 191 (62.62) | 115 (66.47) | 0.647 |
A few | 185 (20.76) | 71 (22.05) | 173 (22.67) | 73 (20.23) | 74 (24.26) | 40 (23.12) | ||||
Some | 57 (6.40) | 31 (9.63) | 37 (4.85) | 24 (6.69) | 17 (5.57) | 6 (3.47) | ||||
Many | 48 (5.39) | 13 (4.04) | 30 (3.93) | 10 (2.79) | 12 (3.93) | 4 (2.31) | ||||
Can’t do | 126 (14.14) | 35 (10.87) | 41 (5.37) | 25 (6.96) | 11 (3.61) | 8 (4.62) | ||||
Daily routine | No problems | 707 (79.08) | 250 (77.40) | 0.319 | 658 (85.90) | 306 (85.00) | 0.971 | 275 (89.89) | 155 (89.60) | 0.385 |
A few | 106 (11.86) | 43 (13.31) | 77 (10.05) | 39 (10.83) | 22 (7.19) | 16 (9.25) | ||||
Some | 40 (4.47) | 19 (5.88) | 22 (2.87) | 11 (3.06) | 6 (1.96) | 0 (0.00) | ||||
Many | 18 (2.01) | 8 (2.48) | 3 (0.39) | 2 (0.56) | 2 (0.65) | 1 (0.58) | ||||
Can’t do | 23 (2.57) | 3 (0.93) | 6 (0.78) | 2 (0.56) | 1 (0.33) | 1 (0.58) | ||||
Activities | All | 582 (65.03) | 228 (70.37) | 0.419 | 542 (70.63) | 230 (63.89) | 0.181 | 236 (77.12) | 125 (72.25) | 0.037** |
Most | 173 (19.33) | 54 (16.67) | 140 (18.28) | 86 (23.89) | 49 (16.01) | 35 (20.23) | ||||
Some | 65 (7.26) | 23 (7.10) | 43 (5.61) | 25 (6.94) | 8 (2.61) | 10 (5.78) | ||||
A few | 50 (5.59) | 13 (4.01) | 30 (3.92) | 13 (3.61) | 12 (3.92) | 1 (0.58) | ||||
None | 25 (2.79) | 6 (1.85) | 12 (1.57) | 6 (1.67) | 1 (0.33) | 2 (1.16) |
CHU-9D score | Coef. | p value | 95% Conf. Interval | |
---|---|---|---|---|
Lower CI | Upper CI | |||
Age | 0.024292 | 0.000** | 0.021559 | 0.027024 |
Gendera | ||||
Female | 0.001701 | 0.634 | − 0.00529 | 0.008692 |
Weight statusb | ||||
Healthy weight | 0.000437 | 0.968 | − 0.02068 | 0.021551 |
Overweight | − 0.00126 | 0.915 | − 0.02438 | 0.021864 |
Obese | 0.003166 | 0.782 | − 0.01924 | 0.025576 |
Ethnicityc | ||||
Asian | − 0.00174 | 0.739 | − 0.01196 | 0.008478 |
African Caribbean | − 0.00843 | 0.272 | − 0.02346 | 0.006601 |
Other | − 0.00159 | 0.782 | − 0.01284 | 0.009661 |
Not known | 0.002852 | 0.936 | − 0.06716 | 0.072859 |
IMD quintiled | ||||
2 | 0.010348 | 0.064 | − 0.00062 | 0.021312 |
3 | 0.010426 | 0.108 | − 0.0023 | 0.023146 |
4 | 0.001092 | 0.886 | − 0.01386 | 0.016043 |
Least deprived | 0.029459 | 0.001** | 0.011988 | 0.04693 |
_cons | 0.670001 | 0** | 0.638859 | 0.701143 |