Table 2.
Comparison between CHD Study Cohort and All Arkansas Public School Students for Academic Year 2011─2012
| CHD Study Cohort N = 199 n (%) |
State Academic Year 2011─2012 N = 523,167 n (%) |
Pi | Ps a | p value | |
|---|---|---|---|---|---|
| Gender | <0.001 | <0.001 | |||
| Female | 83 (42) | 255,208 (49) | |||
| Male | 116 (58) | 267,959 (51) | |||
| Race | <0.001 | <0.001 | |||
| Non-white | 64 (32) | 185,735 (36) | |||
| White | 135 (68) | 337,432 (64) | |||
| Meal Statusb | <0.001 | 0.987 | |||
| Free | 42 (21) | 261,903 (51) | |||
| Reduced | 23 (12) | 46,029 (9) | |||
| Full-Price paid | 134 (67) | 204,619 (40) | |||
| Special Education Codec | <0.001 | ||||
| Autism | 0 (0) | 3,363 (0.64) | |||
| Multiple disabilitiesd | 7 (4) | 1,376 (0.26) | <0.001 | ||
| Mental retardationd | 13 (7) | 5,585 (1.1) | <0.001 | ||
| Other health impairments | 15 (8) | 9,417 (1.8) | |||
| Speech language impairments | 4 (2) | 14,643 (2.8) | |||
| Specific learning disabilities | 14 (7) | 18,220 (3.5) | |||
| Other | 1,777 (0.34) | ||||
| None | 146 (73) | 468,786 (90) |
a
Equivalence indicated if Inferiority (Pi) and Superiority (Ps) tests were simultaneously rejected, α 0.025
b
Full-Price vs. Other. For the State, the total number of students is 512,551 since the meal status is recorded at a different time of year than the assessment data
c
Chi-Square Test of Independence reported for No special education code vs. any special education code comparison
d
Bonferroni-corrected Test of Proportions reported for each special education code