Table 1.
Descriptive statistics for study analysis sample of children and adolescents by health condition and age group
| Cohort | Variables | Sample without any of the 6 conditions | Asthma | Anxiety/depression | ADHD | Autism/Asperger’s | Epilepsy | Diabetes (type 1) |
|---|---|---|---|---|---|---|---|---|
| B cohort | ||||||||
| 10–11 years (N = 3481) | n (%) | 2736 (78.6) | 452 (13.0) | 161 (4.6) | 119 (3.4) | 117 (3.4) | 19 (0.6) | 11 (0.3) |
| PedsQL GCS mean total score (SD) | 82.0 (12.0) | 79.5 (14.1) | 64.5 (16.0) | 68.9 (15.0) | 62.0 (15.9) | 67.3 (19.3) | 81.2 (12.0) | |
| CHU9D mean utility score (SD) | 0.81 (0.17) | 0.78 (0.18) | 0.71 (0.20) | 0.75 (0.20) | 0.78 (0.20) | 0.80 (0.20) | 0.75 (0.20) | |
| Female, n (%) | 1396 (51) | 199 (44) | 80 (50) | 33 (28) | 23 (20) | 9 (47.4) | 6 (54.6) | |
| Low socioeconomic position, n (%) | 1361 (50) | 251 (56) | 97 (60) | 68 (57) | 64 (55) | 12 (63.2) | 6 (54.6) | |
| Aboriginal or Torres Strait Islander, n (%) | 66 (2.4) | 17 (3.8) | 3 (1.9) | 6 (5.0) | 3 (2.6) | 1 (5.3) | 0 (0) | |
| Culturally and linguistically diverse, n (%) | 463 (17) | 87 (19) | 25 (16) | 17 (14) | 19 (16) | 4 (21.1) | 1 (9.1) | |
| 12–13 years (N = 3124) | n (%) | 2419 (77.4) | 403 (12.9) | 217 (7.0) | 114 (3.7) | 123 (3.9) | 16 (0.5) | 14 (0.5) |
| PedsQL GCS mean total score (SD) | 82.8 (12.2) | 78.4 (14.8) | 65.2 (15.6) | 67.1 (16.0) | 63.6 (15.7) | 61.4 (25.1) | 77.9 (13.4) | |
| CHU9D mean utility score (SD) | 0.82 (0.17) | 0.79 (0.20) | 0.69 (0.24) | 0.77 (0.24) | 0.74 (0.24) | 0.79 (0.16) | 0.81 (0.12) | |
| Female, n (%) | 1203 (50) | 190 (47) | 113 (52) | 36 (32) | 34 (28) | 5 (31.3) | 9 (64.3) | |
| Low socioeconomic position, n (%) | 1194 (49) | 222 (55) | 114 (53) | 66 (58) | 69 (56) | 9 (56.3) | 8 (57.1) | |
| Aboriginal or Torres Strait Islander, n (%) | 49 (2.0) | 19 (4.7) | 7 (3.2) | 8 (7.0) | 4 (3.3) | 1 (6.3) | 0 (0) | |
| Culturally and linguistically diverse, n (%) | 427 (18) | 71 (18) | 32 (15) | 15 (13) | 18 (15) | 1 (6.3) | 2 (14.3) | |
| 14–15 years (N = 2924) | n (%) | 2288 (78.2) | 372 (12.7) | 225 (7.7) | 114 (3.9) | 126 (4.3) | 16 (0.6) | 16 (0.6) |
| PedsQL GCS mean total score (SD) | 80.6 (14.8) | 77.6 (16.9) | 63.8 (16.7) | 68.9 (16.6) | 65.0 (16.5) | 64.1 (19.4) | 74.0 (22.4) | |
| CHU9D mean utility score (SD) | 0.81 (0.19) | 0.79 (0.20) | 0.69 (0.27) | 0.79 (0.24) | 0.78 (0.23) | 0.73 (0.29) | 0.83 (0.18) | |
| Female, n (%) | 1120 (49) | 187 (50) | 105 (47) | 38 (33) | 43 (34) | 7 (43.8) | 9 (56.3) | |
| Low socioeconomic position n (%) | 1111 (49) | 204 (55) | 126 (56) | 64 (56) | 63 (50) | 10 (62.5) | 7 (43.8) | |
| Aboriginal or Torres Strait Islander, n (%) | 44 (1.9) | 12 (3.2) | 6 (2.7) | 8 (7.0) | 3 (2.4) | 1 (6.25) | 0 (0) | |
| Culturally and linguistically diverse, n (%) | 401 (18) | 70 (19) | 37 (16) | 16 (14) | 22 (17) | 0 (0) | 2 (12.5) | |
| K cohort | ||||||||
| 14–15 years (N = 3233) | n (%) | 2464 (76.2) | 409 (12.7) | 305 (9.4) | 95 (2.9) | 77 (2.4) | 14 (0.4) | 14 (0.4) |
| PedsQL GCS mean total score (SD) | 81.9 (14.0) | 76.3 (16.9) | 64.4 (16.9) | 66.3 (16.8) | 63.7 (17.8) | 61.7 (17.7) | 73.0 (23.4) | |
| CHU9D mean utility score (SD) | 0.81 (0.19) | 0.80 (0.19) | 0.64 (0.26) | 0.77 (0.22) | 0.79 (0.21) | 0.82 (0.18) | 0.78 (0.20) | |
| Female, n (%) | 1218 (49) | 179 (44) | 193 (63) | 22 (23.2) | 17 (22.1) | 7 (50.0) | 6 (42.9) | |
| Low socioeconomic position, n (%) | 1231 (50) | 208 (51) | 182 (60) | 49 (51.6) | 44 (57.1) | 10 (71.4) | 8 (57.1) | |
| Aboriginal or Torres Strait Islander, n (%) | 53 (2.2) | 11 (2.7) | 5 (1.6) | 1 (1.1) | 2 (2.6) | 0 (0) | 0 (0) | |
| Culturally and linguistically diverse, n (%) | 438 (18) | 70 (17) | 42 (14) | 10 (10.5) | 11 (14.3) | 5 (35.7) | 2 (14.3) | |
| 16–17 years (N = 2806) | n (%) | 2168 (77.3) | 321 (11.4) | 319 (11.4) | 77 (2.7) | 81 (2.9) | 8 (0.3) | 9 (0.3) |
| PedsQL GCS mean total score (SD) | 82.8 (12.9) | 77.7 (15.0) | 67.0 (15.2) | 68.8 (16.3) | 62.9 (17.6) | 69.6 (23.0) | 79.5 (12.0) | |
| CHU9D mean utility score (SD) | 0.80 (0.20) | 0.75 (0.24) | 0.66 (0.25) | 0.81 (0.20) | 0.77 (0.22) | 0.85 (0.19) | 0.85 (0.19) | |
| Female, n (%) | 1072 (49) | 152 (47) | 167 (52) | 15 (19.5) | 15 (18.5) | 3 (37.5) | 2 (22.2) | |
| Low socioeconomic position n (%) | 1095 (51) | 157 (49) | 162 (51) | 37 (48.1) | 43 (53.1) | 4 (50.0) | 4 (44.4) | |
| Aboriginal or Torres Strait Islander, n (%) | 44 (2.0) | 9 (2.8) | 2 (0.6) | 0 (0) | 1 (1.2) | 0 (0) | 0 (0) | |
| Culturally and linguistically diverse, n (%) | 398 (18) | 52 (16) | 38 (12) | 6 (7.8) | 10 (12.4) | 4 (50.0) | 1 (11.1) |
ADHD attention deficit hyperactivity disorder, B baby, CHU9D Child Health Utility 9D, K kindergarten, PedsQL GCS Pediatric Quality of Life Inventory™ v4.0 Generic Core Scales, SD standard deviation
PedsQL GCS total score scale = 0–100
CHU9D utility score scale = 0–1