TABLE 2.
Prevalence of Chronic Conditions Associated With Limitations in Usual Activities for US Children Aged <18, 2001–2011a
| 2001–2002 | 2001–2002 (N = 54 651) | 2004–2005 (N = 52 881) | 2007–2008 (N = 40 569) | 2010–2011 (N = 50 793) | 2010–2011 | 2001–2011 | |
|---|---|---|---|---|---|---|---|
| Estimated No. Cases | Cases per 100 000 (SE) | Cases per 100 000 (SE) | Cases per 100 000 (SE) | Cases per 100 000 (SE) | Estimated No. Cases | % Change in Prevalence | |
| Any physical health condition | 1 099 000 | 1512 (65) | 1265 (60) | 1229 (68) | 1333 (66) | 994 000 | −11.8 |
| Asthma or breathing problem | 586 000 | 807 (47) | 617 (44) | 589 (44) | 612 (40) | 456 000 | −24.2b |
| Hearing problem | 196 000 | 270 (24) | 279 (24) | 263 (31) | 312 (32) | 233 000 | 15.6 |
| Vision problem | 188 000 | 259 (27) | 195 (19) | 266 (33) | 295 (29) | 220 000 | 13.9 |
| Bone, joint, or muscle problem | 175 000 | 241 (23) | 227 (25) | 230 (29) | 269 (34) | 200 000 | 11.6 |
| Injuries | 62 000 | 86 (15) | 71 (13) | 73 (20) | 71 (16) | 53 000 | −17.4 |
| Any neurodevelopmental or mental health condition | 3 927 000 | 5404 (125) | 5543 (127) | 5977 (163) | 6531 (149) | 4 864 000 | 20.9b |
| Epilepsy or seizures | 162 000 | 223 (23) | 154 (20) | 212 (29) | 203 (23) | 151 000 | −9.0 |
| Speech problems | 835 000 | 1150 (59) | 1301 (54) | 1600 (82) | 1876 (80) | 1 397 000 | 63.1b |
| Learning disability | 1 590 000 | 2188 (72) | 1634 (75) | 1747 (87) | 1903 (80) | 1 417 000 | −13.0b |
| Attention-deficit/hyperactivity disorder | 1 071 000 | 1474 (67) | 1467 (67) | 1676 (77) | 1799 (83) | 1 400 000 | 22.0b |
| Mental retardation | 163 000 | 224 (23) | 262 (24) | 217 (31) | 365 (36) | 272 000 | 63.0b,c |
| Other mental, emotional, or behavioral problems | 695 000 | 956 (54) | 1038 (55) | 1314 (73) | 1575 (71) | 1 173 000 | 64.7b |
| Other developmental problem | 462 000 | 636 (40) | 785 (52) | 759 (56) | 873 (48) | 650 000 | 37.3b |
| Other, not classifiable | |||||||
| Other impairment or problem | 371 113 | 511 (39) | 480 (38) | 362 (36) | 480 (36) | 358 000 | −6.0 |
| Birth defect | 253 753 | 349 (29) | 345 (30) | 370 (34) | 434 (33) | 323 000 | 24.4b |
a
Parents could answer that their child had >1 condition contributing to activity limitation.
b
Wald trend test P < .05, percentage change values calculated between 2001–2002 and 2010–2011.
c
Wording for this item was altered in 2011 to intellectual disability, also known as mental retardation, contributes to activity limitation. Prevalence was 319 per 100 000 population in 2010 and 411 per 100 000 population in 2011.