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Table 3 Final logistic regression model of factors associated with receiving tobacco use screening

From: Missed opportunities for tobacco use screening and brief cessation advice in South African primary health care: a cross-sectional study

Explanatory variable Screened during current visit [OR (95% CI)] Screened during prior visit [OR (95% CI)]
Age (continuous) - 0.96 (0.95 - 0.98)
Race   
Non-Black - 1
Black   0.24 (0.11 - 0.54)
Presenting health problem   
   Other 1  
   Cardiovascular disease 0.30 (0.12 - 0.75) -
   HIV-related problem 0.85 (0.29 - 2.45)  
   Pregnancy-related visit 4.59 (2.13 - 9.88)  
Past screening experience   
   Never/rarely 1  
   Screened at prior visits 2.65 (1.26 - 5.54) -
  n = 488, Nagelkerke R 2 = 0.27
Model fit (Hosmer & Lemeshow X 2 ) P = 0.91
n = 497, R 2 = 0.11
Model fit (Hosmer & Lemeshow X 2 test) = 0.97