Table 2 Summary of study measures

Smoking cessation outcomes: quit rates and smoking related outcomes

Biochemical verification of smoking status

All time points

Expired air CO breath test, α = .81, sensitivity of 78%, specificity of 91%

Smokerlyzer, Bedfort Corp., NJ

Point prevalence smoking quit rates

All time points

Time-Line Follow Back (TLFB) interview, α = .80

Sobell and Sobel 1995; Sobell et al. 1979

Smoking use patterns

All time points

Time-Line Follow Back (TLFB) interview, α = .80

Sobell and Sobel 1995; Sobell et al. 1979

Withdrawal symptoms

All time points

Minnesota Nicotine Withdrawal Scale, 8-items, α = .80-.85

Hughes and Hatsukami 1986

Smoking urges

All time points

Brief Questionnaire of Smoking Urges, 10-items, α = .89

Cox et al. 2001; Tiffany and Drobes, 1991

Individually mediated predictors of cessation

Perceived benefits

Baseline, 3 and 6 mo.

Perceived positive outcomes associated with quitting, α = .70.

Menon et al. 2003

Perceived barriers

Baseline, 3 and 6 mo.

Obstacles that inhibit smoking cessation, α = .70.

Menon et al. 2003

Self-efficacy for quitting

Baseline, 3 and 6 mo.

Smoking Abstinence Self-efficacy Scale, 4-items, α = 85-.89

Tiffany and Drobes 1991

Stage of change

Baseline, follow-ups

Smoking Cessation Contemplation Ladder, 0–10 measure

Biener and Abrams 1991

Psychosocial factors

Perceived stress

Baseline, 3 and 6 mo.

Perceived Stress Scale, 14-items

Cohen et al. 1983; Cohen and Williamson 1988

# of stressful life events

Baseline, 3 and 6 mo.

The Scaling of Life Events Questionnaire, 61-items

Paykel et al. 1971

Minority stress factors

Internalized homophobia

Baseline

Internalized Homophobia Scale, 9-items, α = .79

Herek et al. 1997

Sexual orientation concealment

Baseline

Level of Outness Scale, 3 items, α = .86

Bowen et al. 2006

Experience of discrimination

Baseline

Experiences of Discrimination Scale [EDS], 45 items, α = .74.

Krieger et al. 2005

Stigma consciousness

Baseline

Modified Devaluation-Discrimination scale, 12-items, α = .88

Link 1987; Link et al. 2001

Cultural factors

Cultural identification

Baseline

Level of involvement with the LGBT community, 10-items, α = .76

Bowen et al. 2006

Cultural salience

Baseline

To be developed for this study

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Background characteristics

Demographics

Baseline

Age, education, gender, income, insurance, sexual orientation, marital status and race

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Depression

Baseline

Beck Depression Inventory, 20-items, α = .86

Beck et al. 1961

Nicotine dependency

Baseline

Fagerstrom Test for Nicotine Dependence, 6-items, α = .61

Heatherton et al. 1991

Illicit drug use

Baseline

Measures of illicit drug use

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Alcohol use

All time points

Time Ling Follow Back, α = .76-.97, Michigan Alcohol Screening

Sobell and Sobel 1995; Sobell et al. 1979; Hughes et al. 2003