Table 2.
Measures, Sources and Psychometric Properties
Scale (no. of items)/Variable | Cronbach’s Alphaa | Source | Sample Item |
---|---|---|---|
Demographic Variables | |||
Age | N/A | N/A | Age at Time 2 |
| |||
Ethnicity | N/A | N/A | Are you Hispanic? (1: AA, 2: PR)b |
| |||
Educational Involvement | N/A | N/A | Are you currently attending school or college? (0: Not in school, 1: Part-time student, 2: Full-time student) |
T5 Outcomes | |||
Health problems (8) | 0.65 | Original | During past 12 months, have you had a cough, without fever, which lasted at least three weeks? |
| |||
Depressive mood (6) | 0.79 | SCL-90-R (Derogatis, 1997) | Over the last few years, how much were you bothered by feelings of worthlessness? |
| |||
Nicotine dependence (10) | N/A | DSM-IV-TR (adapted; APA, 2000) | In the past 12 months, over time, did you develop a physical tolerance for tobacco so that you smoked more in order to feel satisfied? |
| |||
Antisocial personality disorder (7) | N/A | M.I.N.I. (Sheehan et al., 1998) | Since you were 15 years old, have exposed others to danger without caring? |
| |||
Generalized anxiety disorder (9) | N/A | M.I.N.I. (adapted; Sheehan et al., 1998) | Have you had a period of at least 6 months when you worried excessively or were anxious about several things? |
| |||
Alcohol use disorders (abuse or dependence) (12) | N/A | M.I.N.I. (Sheehan et al., 1998) | In the past 12 months, did you need to drink more in order to get the same effect that you got when you first started drinking? |
Note.
Cronbach’s alphas are estimated from our data.
AA = African American, PR = Puerto Rican