Table 2.
Intercorrelations Between Demographic Variables, Smoking Status, Health Variables, and Cognitive Outcome Variables Among African American Men (N = 257).
| Age | Marital status |
Education | Diabetes | Systolic BP |
Smoking status |
APEFR | CES−D | SPMSQ | DS | BWD | AS | Cognitive composite |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Age | 1.00 | ||||||||||||
| Marital status | −.175** | 1.00 | |||||||||||
| Education | −.482** | .081 | 1.00 | ||||||||||
| Self-reported diabetes | .266** | −.092 | −.127* | 1.00 | |||||||||
| Systolic BP | .455** | −.217** | −.167** | .288** | 1.00 | ||||||||
| Smoking status | .410** | −.287** | −.303** | .117 | .248** | 1.00 | |||||||
| APEFR | −.516** | .229** | .418** | −.100 | −.301** | .172** | 1.00 | ||||||
| CES-D | −.269** | .130* | −.056 | −.108 | −.185** | −.043 | .048 | 1.00 | |||||
| SPMSQ | −.136* | −.160** | .318** | −.025 | −.064 | .069 | .140* | −.150* | 1.00 | ||||
| DS | −.746** | .033 | .592** | −.261** | −.370** | .239** | .568** | .074 | .276** | 1.00 | |||
| BWD | −.321** | .358** | .358** | −.107 | −.245** | .142* | .315** | −.005 | .277** | .467** | 1.00 | ||
| AS | −.187** | −.173** | .432** | −.033 | −.127* | .046 | .169** | −.114 | .419** | .367** | .369** | 1.00 | |
| Cognitive composite | −.484** | −.043 | .544** | −.163** | −.290 | −.274** | .432** | −.028 | .417** | .733** | .896** | .670** | 1.00 |
Note. BP = blood pressure; APEFR = average peak expiratory flow rate; CES-D = Center for Epidemiological Studies Depression Scale; SPMSQ = Short Portable Mental Status Questionnaire; DS = Digit Symbol Substitution Test; BWD = Backward Digit Span; AS = Alpha Span.
*
p < .05.
**
p < .01.