Table 2 

Associations between current drug problem and health status, as measured by SF12 scores. 

Physical Component Subscale 
Mental Component Subscale 



Mean (SD) 
Mean (SD) 



Current drug problem 
46.6 (10.6) 
38.8 (12.9) 
Without current drug problem 
45.7 (11.4) 
42.0 (13.2) 
pvalue 
0.17 
< 0.001 


Recent cocaine use 
44.8 (11.4) 
38.1 (12.7) 
No recent cocaine use 
46.5 (11.0) 
41.7 (13.2) 
pvalue 
0.02 
< 0.001 


Beta (95% CI) 
Beta (95% CI) 



Change in SF12 score associated with 

Current drug problem* 
0.03 (1.3 to +1.3) 
4.9 (6.5 to 3.2) 
Recent cocaine use* 
1.3 (2.7 to +0.06) 
4.7 (6.4 to 3.0) 


* In linear regression models adjusted for sex, age, level of education, and race/ethnicity. 

Grinman et al. BMC Public Health 2010 10:94 doi:10.1186/147124581094 