TABLE 5.

Prevalence of 3 Common Diagnostic Categories

		Respiratory			Infectious non-STI			Mental health
Characteristic	Enrollment	n	Rate	99% CI	n	Rateb	99% CI	n	Rateb	99% CI
All schools	730,785	294,240	11.68	11.6, 11.7	114,894	4.56	4.5, 4.6	103,844	4.1	4.09, 4.2
Private schools	143,034	71,394	14.5	14.3, 14.6	34,465	7.0	6.9, 7.1	28,141	5.7	5.6, 5.8
Public schools	587,751	222,846	11.0	10.9, 11.1	80,429	3.97	3.9, 4	75,703	3.74	3.7, 3.8
Female	377,383	172,767	13.3	13.2, 13.4	64,275	4.94	4.9, 5	62,264	4.78	4.7, 4.8
Male	353,402	121,364	10.0	9.9, 10	50,572	4.15	4.1, 4.2	41,501	3.41	3.36, 3.45
Under 18	5,371	7,769	41.9	40.7, 43.2	2,942	15.9	15.1, 16.6	1,848	10.0	9.4, 10.6
18–19	180,385	80,131	12.9	12.8, 13	28,116	4.52	4.5, 4.6	19,966	3.2	3.15, 3.3
20–21	211,455	98,293	13.5	13.4, 13.6	38,085	5.22	5.2, 5.3	29,722	4.08	4.02, 4.14
22–24	142,203	55,030	11.2	11.1, 11.4	21,791	4.44	4.4, 4.5	22,477	4.6	4.5, 4.7
25–29	99,386	35,482	10.4	10.2, 10.5	16,263	4.7	4.6, 4.8	18,571	5.4	5.3, 5.5
30–34	39,687	11,800	8.6	8.4, 8.8	5,320	3.9	3.8, 4	7,418	5.4	5.3, 5.6
35–39	17,606	3,488	5.7	5.5, 6	1,466	2.4	2.3, 2.6	2,279	3.8	3.6, 4
40–49	17,017	2,149	3.7	3.5, 3.9	872	1.49	1.4, 1.6	1,495	2.5	2.4, 2.7
African American	20,122	10,393	15.0	14.6, 15.4	3,794	5.5	5.2, 5.7	4,413	6.4	6.1, 6.6
Asian	27,605	12,569	13.2	12.9, 13.5	6,115	6.4	6.2, 6.6	3,418	3.6	3.4, 3.7
Hispanic	18,272	11,459	18.2	17.8, 18.6	4,194	6.7	6.4, 6.9	5,245	8.3	8, 8.6
Native American	1,258	523	12.1	10.7, 13.4	186	4.3	3.5, 5.1	231	5.3	4.4, 6.2
White	241,777	114,119	13.7	13.6, 13.8	42,013	5.04	5, 5.1	39,134	4.7	4.6, 4.8
Graduate	199,453	59,034	8.6	8.5, 8.7	26,628	3.87	3.8, 3.9	23,406	3.4	3.3, 3.5
Undergraduate	531,332	169,969	9.28	9.2, 9.3	64,167	3.5	3.47, 3.54	55,093	3	2.97, 3.04

Note. CI = confidence interval.

^a2011–2012 enrollment statistics.¹³

^bAnnual rate per 100 enrolled students.