Table 1.

Patient demographics, smoking behavior, and attitude profile

		Intent to quit smoking
Respondent demographics	Total n (%)*	Low n (%)	High n (%)	P value
Total	150	86 (57)	62(41)
Male	99 (66)	58 (67)	40 (65)	0.71†
Female	51 (34)	28 (33)	22 (35)
Race
Black	146 (97)	85 (99)	59 (95)
Other	4 (3)	1 (1)	3 (5)	0.31† (exact)
Age, median [IQR]	37.0 [31.7–42.6]	37.9 [33.8–44.0]	35.7 [30.2–40.4]	0.16‡
Taking ART	34 (24)	18 (23)	16 (27)	0.6†
Most recent CD4, cells/μl (n = 131), median [IQR]	350 [254–528]	350 [247–532]	350 [248–528]	0.93‡
TB history	37 (25)	20 (24)	17 (27)	0.7†
Socio-economic status
Hot water available in home	49 (33)	24 (28)	25 (41)	0.10†
Owns cell phone	126 (85)	69 (80)	55 (90)	0.10†
Years education completed, median [IQR]	11.0 [9.0–12.0]	11.0 [8.5–11]	11.0 [9.8–12]	0.74‡
Monthly income in ZAR, median [IQR]§	940 [0–1688]	940 [0–1350]	920 [3–2035]	0.20‡
Smoking history
Age first started smoking, median [IQR]	17 [15–21]	18 [16–21]	16.5 [15–19.25]	0.06‡
Cigarettes per day, median [IQR]	5.5 [4–10]	6 [4–8.25]	5 [4–10]	0.91‡
Time to first daily cigarette, min
<5	35 (23)	22 (26)	12 (19)
6–30	13 (9)	7 (8)	6 (10)
31–60	35 (23)	18 (21)	16 (25)
>60	67 (45)	39 (45)	28 (45)	0.72† (exact)
Weekly expenditure on cigarettes, ZAR, median [IQR]	42 [23.5–70]	42 [25–70]	42 [21–75]	0.75‡
Perceives current health risk	109 (74)	61 (72)	48 (77)	0.44†
Perceives future health risk	132 (88)	79 (93)	53 (85)	0.14†
Doctor/nurse advised to quit	102 (68)	59 (68)	42 (68)	0.91†

^*Unless otherwise indicated.

^†χ2 test or Fisher’s exact test of equality of proportions.

^‡Student’s t-test for equality of means. Two non-responses for readiness to quit.

^§1ZAR = US$0.13.

IQR = interquartile range; ART = antiretroviral therapy; TB = tuberculosis; ZAR=South African rand.