Table 3.

Ethnicity and sources of prescription medications for misuse

	Caucasian (C)		African-American (A)		Hispanic/Latino (H)		Statistics*
Source	n	%	n	%	n	%
Opioids
Physician	259	17.5%	92	36.6%	81	27.2%	A > C: χ2(1) = 48.4, p < .001
							A > H: χ2(1) = 5.4, p = .041
Theft/Fake Rx	163	11.0%	31	12.2%	27	9.0%
Friend/Relative	747	50.3%	91	36.1%	134	45.4%	C > A: χ2(1) = 17.5, p < .001
Purchased	230	15.5%	19	7.6%	23	7.9%	C > H: χ2(1) = 12.1, p = .001
							C > A: χ2(1) = 11.1, p = .002
Other	85	5.7%	19	7.6%	31	10.5%	H > C: χ2(1) = 9.12, p = .006
Tranquilizers
Physician	34	6.8%	4	28.5%	6	10.4%	A > C: χ2(1) = 8.36, p = .009
Theft/Fake Rx	54	10.9%	3	21.4%	6	10.4%
Friend/Relative	236	47.5%	5	30.1%	27	46.8%
Purchased	151	30.4%	2	15.2%	16	28.4%
Other	22	4.5%	1	4.9%	2	3.9%
Stimulants
Physician	44	10.9%	3	13.0%	13	19.6%
Theft/Fake Rx	39	5.8%	11	51.5%	9	13.0%	A > C: χ2(1) = 32.6, p < .001
							A > H: χ2(1)= 12.7, p < .001
Friend/Relative	209	52.1%	6	25.9%	31	46.7%
Purchased	88	21.9%	2	8.3%	10	15.0%
Other	22	5.5%	0	0.0%	4	5.6%

Notes:

^*= Pairwise comparisons are corrected for multiple comparisons using a Bonferonni procedure; only significant pairwise comparisons are noted.