Table 1.
Prevalence rate of mental illnesses in AD and non-AD patients by age
| Mental illness | Frequency (prevalence rate [%]) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Total all patients | Infant | Early childhood | Late childhood | Total childhood |
Adolescent | Adult | Elderly | ||
| Total number of patients | AD | 42,641 | 6,219 | 6,132 | 4,217 | 10,349 | 8,339 | 14,874 | 2,860 |
| Non-AD | 139,486 | 25,252 | 19,095 | 10,460 | 29,555 | 21,187 | 53,004 | 10,488 | |
| Attention-deficit/hyperactivity disorder | AD | 240 (0.56) | – | 45 (0.73) | 74 (1.75) | 119 (1.15) | 97 (1.16) | 24 (0.16) | – |
| Non-AD | 655 (0.47) | 12 (0.05) | 171 (0.90) | 182 (1.74) | 353 (1.19) | 209 (0.99) | 78 (0.15) | 3 (0.03) | |
| Autism spectrum disorder | AD | 88 (0.21) | 10 (0.16) | 19 (0.31) | 16 (0.38) | 35 (0.34) | 24 (0.29) | 19 (0.13) | – |
| Non-AD | 212 (0.15) | 36 (0.14) | 59 (0.31) | 22 (0.21) | 81 (0.27) | 49 (0.23) | 45 (0.08) | 1 (0.01) | |
| Conduct disorder | AD | 17 (0.04) | 1 (0.02) | 1 (0.02) | 2 (0.05) | 3 (0.03) | 10 (0.12) | 3 (0.02) | – |
| Non-AD | 25 (0.018) | – | 6 (0.03) | 2 (0.02) | 8 (0.03) | 13 (0.06) | 2 (0.00) | 2 (0.02) | |
| Depression | AD | 1,052 (2.47) | – | 8 (0.13) | 22 (0.52) | 30 (0.29) | 105 (1.26) | 543 (3.65) | 374 (13.08) |
| Non-AD | 4,728 (3.39) | 2 (0.01) | 37 (0.19) | 79 (0.76) | 116 (0.39) | 364 (1.72) | 2,499 (4.71) | 1,747 (16.66) | |
| Anxiety | AD | 1,448 (3.40) | 5 (0.08) | 19 (0.31) | 24 (0.57) | 43 (0.42) | 109 (1.31) | 758 (5.10) | 533 (18.64) |
| Non-AD | 6,510 (4.67) | 43 (0.17) | 80 (0.42) | 78 (0.75) | 158 (0.53) | 420 (1.98) | 3,482 (6.57) | 2,407 (22.95) | |
| Suicidal ideation | AD | 176 (0.41) | – | 2 (0.03) | 2 (0.05) | 4 (0.04) | 14 (0.17) | 80 (0.54) | 61 (2.13) |
| Non-AD | 832 (0.60) | – | 12 (0.06) | 3 (0.03) | 15 (0.05) | 35 (0.17) | 388 (0.73) | 292 (2.78) | |
| Schizophrenia | AD | 130 (0.30) | – | 2 (0.03) | – | 2 (0.02) | 11 (0.13) | 101 (0.68) | 16 (0.56) |
| Non-AD | 489 (0.35) | – | 7 (0.04) | 16 (0.15) | 23 (0.08) | 44 (0.21) | 341 (0.64) | 81 (0.77) | |
| Sleep disorder | AD | 938 (2.20) | 3 (0.05) | 3 (0.05) | 6 (0.14) | 9 (0.09) | 24 (0.29) | 507 (3.41) | 395 (13.81) |
| Non-AD | 4,523 (3.24) | 58 (0.23) | 27 (0.14) | 23 (0.22) | 50 (0.17) | 111 (0.52) | 2,504 (4.72) | 1,800 (17.16) | |
| Allergic conjunctivitis | AD | 6,195 (14.53) | 602 (9.68) | 1,363 (22.23) | 915 (21.70) | 2,278 (22.01) | 1,192 (14.29) | 1,814 (12.20) | 309 (10.80) |
| Non-AD | 25,958 (18.61) | 3,923 (15.61) | 5,572 (29.18) | 2,835 (27.10) | 8,407 (28.45) | 3,831 (18.08) | 8,484 (16.00) | 1,313 (12.52) | |
| Allergic rhinitis | AD | 20,863 (48.93) | 4,308 (69.27) | 4,307 (70.24) | 2,437 (57.79) | 6,744 (65.17) | 3,580 (42.93) | 5,162 (34.70) | 1,069 (37.38) |
| Non-AD | 80,866 (57.97) | 20,539 (81.34) | 15,107 (79.11) | 6,748 (64.51) | 21,855 (73.95) | 10,544 (49.77) | 22,854 (43.12) | 5,074 (48.38) | |
| Asthma | AD | 6,823 (16.00) | 2,540 (40.84) | 1,856 (30.27) | 621 (14.73) | 2,477 (23.93) | 522 (6.26) | 902 (6.06) | 382 (13.36) |
| Non-AD | 29,504 (21.15) | 12,347 (48.90) | 7,323 (38.35) | 1,965 (18.79) | 9,288 (31.43) | 1,743 (8.23) | 4,257 (8.03) | 1,869 (17.82) | |
| Previous AD history | AD | 33,559 (78.70) | 2,615 (42.05) | 5,262 (85.81) | 3,964 (94.00) | 9,226 (89.15) | 7,797 (93.50) | 11,993 (80.63) | 1,928 (67.41) |
| Non-AD | – | – | – | – | – | – | – | – | |