Table 1.

Characteristics of 1,750 staff of programs participating in the National Drug Abuse Treatment Clinical Trials Network, by job category

	Total Respondents (N=1,750)		Counselors (n=1,395)		Managers and Supervisors (n=355)

Characteristic	n	%	n	%	n	%	χ2
Female	1039	60	839	61	200	57	2.56
Not white^*	400	26	327	28	73	22	3.95^a
Licensure and Certification
State certification	816	49	630	47	186	55	5.77^a
National certification	304	20	221	19	83	27	9.25^a
Professional licensure	730	46	545	43	185	58	21.11 ^a
Both certification and licensure	478	28	369	27	109	31	2.29
Certification and/or licensure	1,136	66	860	63	276	79	30.97 ^a
Years employed in substance abuse (mean, SD)	(8.8)	(7.3)	(7.9)	(7.0)	(12.2)	(7.5)	−10.15 ^a,^b
Years as a counselor, therapist, or clinician (mean, SD)	(7.9)	(6.8)	(7.3)	(6.5)	(10.3)	(7.3)	−7.06 ^a,^b
Education							41.18 ^a
High school or less	287	17	242	18	45	13
Associates or bachelor's degree	628	37	537	40	91	26
Master's or doctoral degree	786	46	570	42	216	61

NOTES: Values are number and percent, unless noted otherwise.

Percentages may not add to 100 due to rounding (rounded to nearest whole number), and were calculated excluding missing values.

p<.05

Test statistic is t-value from independent samples t-test.

Comparisons are for racial categories only, and do not take into account ethnicity.