A randomized controlled pilot trial of a smoking cessation intervention for US women living with HIV: telephone-based video call vs voice call

Figures & data

Table 1 Baseline characteristics of the study sample

Variables	Voice arm (n=21)	Video arm (n=21)	Total (n=42)
	n (%)/mean ± SDa	n (%)/mean ± SD	n (%)/mean ± SD
Age	52.52±5.79	49.71±9.06	51.12±7.65
Ethnicity
Hispanic	7 (33.33)	5 (23.81)	12 (28.57)
Non-Hispanic	14 (66.67)	16 (76.19)	30 (71.43)
Race
Black	16 (76.19)	15 (71.43)	31 (73.81)
White	2 (9.52)	2 (9.52)	4 (9.52)
All others (eg, multiracial)	3 (14.29)	4 (19.05)	7 (16.67)
Educationb
<12 years	9 (42.86)	4 (19.05)	13 (30.95)
=12 years	8 (38.10)	16 (76.19)	24 (57.14)
>12 years	4 (19.05)	1 (4.76)	5 (11.90)
Marital status
Married or living with partner	7 (33.33)	6 (28.57)	13 (30.95)
All others	14 (66.67)	15 (71.43)	29 (69.05)
Employment
Employed	6 (71.43)	9 (42.86)	33 (80.50)
Unemployed	15 (28.57)	12 (57.14)	8 (19.50)
Years after HIV diagnosis	18.05±7.95	19.14±7.53	18.60±7.67
CD4 countb	865.90±379.76	624.76±238.33	742.39±334.36
Viral load
Undetectable	14 (70.00)	17 (80.95)	31 (75.61)
Detectable	6 (30.00)	4 (19.05)	10 (24.39)
Perceived HIV-related stigma	49.90±15.34	52.19±12.21	51.05±13.74
Age at smoking onset	19.11±6.88	17.11±6.81	18.08±6.82
Years of smoking	34.00±7.58	32.32±12.01	33.14±10.00
Number of cigarettes per day	16.07±7.84	12.38±4.93	14.23±6.73
Nicotine dependencec	6.10±1.67	5.05±1.88	5.57±1.84
Self-efficacy in quitting smoking	23.33±7.21	24.48±9.39	23.90±8.29
Stigma about smoking	2.86±1.90	2.95±1.50	2.90±1.69
Current use of other substances
Alcohol (= yes)c	10 (47.62)	4 (19.05)	13 (33.33)
Marijuana and others (= yes)	11 (52.38)	7 (33.33)	18 (42.86)
Depressive symptoms	20.33±14.73	18.48±12.58	19.40±13.56
Anxiety symptoms	7.90±7.02	7.14±5.87	7.52±6.40

Note:

a Standard deviation,

b P<0.05,

c P<0.10.

Figure 1 CONSORT diagram of the study.

Figure 2 Survival analysis of abstinence in video call group vs the voice call group.

Table 2 Factors predicting 6-month prolonged abstinence

6-month prolonged abstinence	Coefficient	Robust standard error	Z	P > |z|	95% confidence interval
Intervention condition	2.371941	1.183357	2.00	0.045	0.0526037	4.691278
Nicotine dependence	−0.1739063	0.1007446	−1.73	0.084	−0.3713621	0.0235495
Constant	−3.172471	2.393662	−1.33	0.185	−7.863963	1.519021