Table 4. Distribution of percent KAP mean scores for participants who heard about TB, Tehran 2012 .

Variable	N	Knowledge	P Value	Practice	P Value
		Mean (95% CI)		Mean (95% CI)
Gender
Female	29	61.37 (52.26, 70.48)	.85	27.58 (18.37, 36.79)	.002
Male	314	62.10 (59.96, 64.24)		43.94 (41.74, 46.14)
Age group
18-29	39	64.62 (57.11-72.12)	.64	37.18 (28.29-47.07)	.11
30-39	91	63.52 (59.10-67.63)		40.11 (35.66-44.56)
40-49	81	61.23 (57.14-65.33)		45.68 (41.69-49.66)
≥50	129	60.93 (59.99-64.24)		43.41 (40.07-44.56)
Marital status
Single	70	64.00 (59.09, 68.91)	.84	36.43 (30.04, 42,82)	.09
Married	47	61.70 (55.60, 67.80)		42.55 (37.27, 47.83)
Divorced	159	62.14 (59.05, 65.22)		44.03 (40.93, 47.13)
Widowed	19	65.26 (56.26, 74.26)		44.74 (37.14, 52.33)
Education
Illiterate	30	56.00 (49.09, 62.91)	.001	41.67 (34.59, 48.74)	.12
Primary	70	56.57 (51.98, 61.16)		43.57 (38.23, 48.91)
Secondary school	82	60.73 (56.39, 65.07)		38.41 (33.75, 43.08)
High school/diploma	109	63.85 (60.07, 67.39)		42.67 (38.61, 46.71)
Post high school	45	70.67 (65.29, 76.04)		48.89 (43.83, 53.94)
Homeless duration (months)
5-10 days	70	63.71 (58.19, 62.24)	.71	40.00 (34.79, 45.21)	.38
5-24	101	60.59 (56.83, 64.36)		40.59 (36.47, 44.71)
24-60	79	62.78 (57.87, 66.70)		43.67 (39.51, 47.93)
≤60	86	60.93 (56.78, 65.08)		44.77 (40.11, 49,43)
History of incarceration
Never	157	60.38 (57.08, 63.68)	.33	41.40 (37.92, 44.88)	.66
More than 10 years ago	42	63.81 (57.93, 69.69)		44.05 (37.89, 50.21)
Within the last 10 years	141	63.54 (60.38, 66.71)		43.26 (39.93, 45.60)
Duration of Incarceration (in the last 10 years)
More than 9 month	73	61.92 (57.52, 66.32)	.33	41.78 (37.09, 46.47)	.38
Less than 9 month	67	65.07 (60.55, 69.59)		44.78 (40.06, 49.50)
Total	343	62.04 (59.94, 64.14)		42.57 (40.36, 44.78)

Abbreviations: KAP, knowledge, attitude, and practice; TB, tuberculosis.

^a Participants’ scores of knowledge and practice are calculated out of 100.