Table 4 Logistic regression model for outcome 2: smoking status (non-smoker) at 180 days post-discharge (n = 1957)

Smoking status 180 days

 Hospital

A

(Ref.)

(Ref.)

B

5.17 (3.64–7.45)

 < 0.001

3.48 (2.30–5.28)

 < 0.001

 Age on admission

60 + 

(Ref.)

(Ref.)

40–59

0.57 (0.39–0.84)

0.004

0.74 (0.47–1.16)

0.185

25–39

0.60 (0.38–0.94)

0.026

0.82 (0.47–1.44)

0.483

16–24

0.33 (0.13–0.85)

0.021

0.36 (0.13–1.00)

0.050

 Sex

Male

(Ref.)

(Ref.)

Female

1.06 (0.75–1.50)

0.734

0.92 (0.63–1.35)

0.674

 Ethnicity

White

(Ref.)

(Ref.)

Black

1.69 (1.10–2.60)

0.017

1.00 (0.60–1.67)

0.997

Mixed/Asian/Other^a

0.47 (0.24–0.94)

0.034

0.32 (0.15–0.66)

0.002

 Intention at first TDS assessment

Declined/withdrawal management^a

(Ref.)

(Ref.)

Quit attempt

5.06 (3.58–7.16)

 < 0.001

3.68 (2.48–5.48)

 < 0.001

 Heaviness of Smoking Index

Low

(Ref.)

(Ref.)

Medium

0.42 (0.29–0.60)

 < 0.001

0.45 (0.29–0.69)

 < 0.001

High

0.35 (0.16–0.77)

0.009

0.42 (0.18–0.99)

0.048

 Smoking cessation aids

None

(Ref.)

(Ref.)

Single

0.78 (0.51–1.20)

0.265

0.74 (0.46–1.18)

0.207

Combination

0.69 (0.47–1.02)

0.060

0.86 (0.53–1.39)

0.529

 Primary diagnosis

Smoking-related

2.34 (1.63–3.36)

 < 0.001

1.76 (1.14–2.71)

0.010

 Past diagnoses

Cancer

0.73 (0.35–1.35)

0.352

0.60 (0.29–1.25)

0.172

COPD

1.16 (0.80–1.67)

0.421

0.85 (0.53–1.37)

0.506

CVD

1.50 (0.96–2.26)

0.064

1.40 (0.83–2.35)

0.207

Diabetes

1.28 (0.85–1.87)

0.221

1.88 (1.17–3.04)

0.009

Mental and behav

0.45 (0.32–0.62)

 < 0.001

0.81 (0.55–1.19)

0.277

 IMD tertile

Lower

(Ref.)

(Ref.)

Middle

1.04 (0.70–1.54)

0.853

1.24 (0.80–1.92)

0.343

Upper

1.05 (0.55–2.03)

0.876

0.98 (0.46–2.07)

0.956