Table 1.
Demographic characteristics of the participant sample
| Characteristic | Successful quitters (n = 20) | Unsuccessful quitters (n = 45) | P | ||
|---|---|---|---|---|---|
| Mean (SD) | n (%) | Mean (SD) | n (%) | ||
| Demographics | |||||
| Age, yearsa | 34.9 (9.65) | 40.4 (10.9) | 0.06 | ||
| Education, yearsb | 15.5 (2.04) | 14.4 (2.25) | 0.07 | ||
| Ethnicity: | |||||
| White | 19 (95.0) | 37 (82.2) | |||
| African-American | 0 | 3 (6.7) | |||
| Latino/a | 0 | 3 (6.7) | 0.19 | ||
| Asian | 0 | 2 (4.4) | |||
| Other | 1 (5.0) | 0 | |||
| Income, USA$: | |||||
| < 25 000 | 6 (30.0) | 7 (15.6) | |||
| 25 000–49 999 | 6 (30.0) | 18 (40.0) | |||
| 50 000–74 999 | 6 (30.0) | 9 (20.0) | 0.45 | ||
| 75 000–99 000 | 2 (10.0) | 6 (13.3) | |||
| ≥100 000 | 0 (0.0) | 5 (11.1) | |||
| Marital status: | |||||
| Single | 15 (75.0) | 24 (53.3) | |||
| Married/cohabiting | 5 (25.0) | 21 (46.7) | 0.53 | ||
| Substance use: | 0.80 | ||||
| Alcohol usec | 6.9 (3.13) | 4.1 (3.18) | <0.01 | ||
| Drug used | 0.7 (0.98) | 0.6 (0.78) | 0.66 | ||
| Smoking characteristics: | |||||
| Age started smoking, yearsa | 16.1 (2.37) | 16.8 (5.3) | 0.57 | ||
| Smoking duration, yearsa | 17.9 (10.03) | 22.6 (11.4) | 0.12 | ||
| Pack years | 18.2 (14.02) | 23.1 (16.9) | 0.26 | ||
| Smoking frequency, cigerettes/daya | 19.0 (5.09) | 22.8 (8.66) | 0.07 | ||
| Nicotine dependencea,e | 5.4 (1.84) | 5.5 (2.04) | 0.78 | ||
| Quit attempts, na | 3.4 (2.78) | 3.5 (2.66) | 0.81 | ||
| Sexual functioningf: | |||||
| Erectile function | 27.0 (4.75) | 26.5 (5.19) | 0.72 | ||
| Orgasmic function | 8.7 (1.87) | 9.0 (1.42) | 0.45 | ||
| Sexual desire | 6.8 (1.52) | 7.4 (1.74) | 0.13 | ||
| Intercourse satisfaction | 11.9 (2.13) | 11.6 (3.08) | 0.67 | ||
| Overall satisfaction | 7.9 (1.76) | 7.6 (1.95) | 0.63 | ||
| EDg | 4 (20.0) | 15 (33.3) | 0.28 | ||
a
Data were missing for one participant;
b
Data were missing for three participants;
c
Assessed with the Alcohol Use Disorders Identification Test. Possible score range from 0 to 40, with higher scores reflecting increasing levels of problematic drinking;
d
Assessed with the Drug Abuse Screening Test, 10-item. Possible score range from 0 to 10, with higher scores indicating greater substance abuse severity;
e
As per the Fagerström Test of Nicotine Dependence [30]. Possible score range from 0 to 10, with higher scores indicating greater dependency to nicotine;
f
Assessed with the IIEF;
g
According to the IIEF erectile functioning threshold score of 25.