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Table 3 Multiple logistic regression analyses for the recording of smoking status and cessation advice in 2002, 2004 and 2008

From: The impact of the Quality and Outcomes Framework (QOF) on the recording of smoking targets in primary care medical records: cross-sectional analyses from The Health Improvement Network (THIN) database

  2002 2004 2008
  Record 27 Advice 15 Record 27 Advice 15 Record 27 Advice 15
N 1,998,631 421,358 2,053,840 453,646 2,149,026 463,457
  AOR P AOR P AOR P AOR P AOR p AOR P
  (95% CI)   (95% CI)   (95% CI)   (95% CI)   (95% CI)   (95% CI)  
Age
15-24 1 <0.001 1 <0.001 1 <0.001 1 <0.001 1 <0.001 1 <0.001
25-34 1.25   0.73   1.25   0.64   1.06   0.78  
  (1.19-1.31)   (0.69-0.77)   (1.20-1.29)   (0.62-0.67)   (1.02-1.10)   (0.75-0.81)  
35-44 1.26   0.77   1.24   0.65   1.08   0.82  
  (1.19-1.31)   (0.72-0.82)   (1.19-1.29)   (0.62-0.68)   (1.04-1.13)   (0.79-0.85)  
45-54 1.40   0.79   1.40   0.72   1.21   0.90  
  (1.33-1.47)   (0.73-0.85)   (1.34-1.46)   (0.68-0.75)   (1.15-1.26)   (0.86-0.94)  
55-64 1.51   0.75   1.62   0.80   1.38   0.98  
  (1.43-1.60)   (0.69-0.81)   (1.54-1.70)   (0.76-0.84)   (1.32-1.45)   (0.94-1.02)  
65-74 1.41   0.66   1.84   0.85   1.80   1.25  
  (1.32-1.50)   (0.60-0.72)   (1.73-1.96)   (0.77-0.93)   (1.68-1.92)   (1.16-1.35)  
≥ 75 0.93   0.37   1.29   0.62   1.28   1.02  
  (0.85-1.03)   (0.32-0.43)   (1.20-1.40)   (0.55-0.71)   (1.19-1.38)   (0.92-1.13)  
Gender
Male 1 n/a 1 n/a 1 n/a 1 n/a 1 n/a 1 n/a
Female 1.54 <0.001 1.27 <0.001 1.68 <0.001 1.47 <0.001 1.71 <0.001 1.71 <0.001
  (1.48-1.60)   (1.22-1.31)   (1.63-1.73)   (1.43-1.50)   (1.65-1.77)   (1.66-1.77)  
Townsend Category
I 1 <0.001 1 <0.001 1 <0.001 1 <0.001 1 <0.001 1 <0.001
II 1.06   1.06   1.06   1.04   1.10   1.11  
  (1.00-1.17)   (0.98-1.14)   (1.01-1.10)   (0.98-1.10)   (1.06-1.14)   (1.06-1.15)  
III 1.08   1.10   1.11   1.18   1.18   1.17  
  (1.04-1.25)   (1.00-1.21)   (1.04-1.18)   (1.10-1.26)   (1.11-1.25)   (1.10-1.25)  
IV 1.14   1.14   1.16   1.23   1.25   1.19  
  (1.06-1.28)   (1.01-1.29)   (1.08-1.25)   (1.14-1.33)   (1.16-1.34)   (1.12-1.26)  
V 1.07   1.06   1.12   1.21   1.35   1.20  
  (0.93-1.23)   (0.90-1.26)   (1.00-1.26)   (1.09-1.35)   (1.21-1.49)   (1.10-1.30)  
Missing 0.90   0.83   0.99   1.20   1.05   1.06  
  (0.70-1.15)   (0.59-1.17)   (0.85-1.15)   (0.96-1.48)   (0.92-1.21)   (0.90-1.26)  
Chronic Conditions
CHD 3.02 <0.001 2.16 <0.001 5.12 <0.001 3.66 <0.001 4.16 <0.001 7.14 <0.001
  (2.78-3.27)   (1.92-2.43)   (4.72-5.56)   (3.37-3.97)   (3.77-4.59)   (6.43-7.93)  
Stroke / TIA 1.28 <0.001 1.23 <0.001 1.74 <0.001 1.82 <0.001 1.83 <0.001 4.56 <0.001
  (1.22-1.33)   (1.11-1.36)   (1.67-1.85)   (1.68-1.96)   (1.71-1.95)   (4.02-5.17)  
CKD 1.07 0.662 0.58 0.175 0.73 0.305 0.78 0.515 1.42 <0.001 1.76 <0.001
  (0.78-1.47)   (0.26-1.28)   (0.40-1.33)   (0.37-1.66)   (1.33-1.52)   (1.61-1.91)  
Psychoses 1.12 0.027 1.11 0.072 1.28 <0.001 1.26 <0.001 2.51 <0.001 1.77 <0.001
  (1.01-1.24)   (0.99-1.25)   (1.20-1.37)   (1.17-1.36)   (2.35-2.69)   (1.64-1.91)  
COPD 2.03 <0.001 1.81 <0.001 3.37 <0.001 2.72 <0.001 15.38 <0.001 11.72 <0.001
  (1.90-2.17)   (1.65-1.99)   (3.11-3.65)   (2.50-2.96)   (13.70-17.27)   (10.41-13.21)  
Hypertension 1.87 <0.001 1.51 <0.001 2.58 <0.001 2.29 <0.001 2.95 <0.001 8.49 <0.001
  (1.77-1.97)   (1.41-1.61)   (2.45-2.72)   (2.17-2.42)   (2.76-3.15)   (7.74-9.32)  
Diabetes 3.20 <0.001 1.74 <0.001 6.23 <0.001 3.99 <0.001 7.85 <0.001 12.00 <0.001
  (2.82-3.63)   (1.41-2.15)   (5.61-6.93)   (3.58-4.45)   (6.95-8.86)   (10.66-13.52)  
Asthma 2.05 <0.001 1.74 <0.001 3.34 <0.001 3.14 <0.001 6.70 <0.001 10.26 <0.001
  (1.93-2.18)   (1.63-1.84)   (3.15-3.54)   (2.93-3.36)   (6.27-7.17)   (9.37-11.23)  
≥ 1 CC 2.76 <0.001 2.11 <0.001 4.16 <0.001 3.70 <0.001 5.80 <0.001 10.83 <0.001
  (2.63-2.89)   (1.99-2.24)   (3.98-4.34)   (3.51-3.90)   (5.49-6.14)   (10.16-11.53)  
  1. [AOR = Adjusted Odds Ratio; Record 27 = Patients with a record of smoking status within the previous 27 months; Advice 15 = Patients who are current smokers with a record of advice against smoking within the previous 15 months; adjustments made for age category, gender, Townsend category and presence of chronic illness; P = p value: LRT used for age and Townsend quintiles, Wald test used for other covariates].