Process outcomes in intervention sites (study sites A and B) comparing smokers hospitalised in the observation phase (August 2009–October 2010) and intervention phase (November 2010–February 2012)
| Observation phase | Intervention phase | Risk ratio (95% CI) or coefficient* | p Value† | |
|---|---|---|---|---|
| N=233 | N=225 | |||
| Received intensive counselling during hospital stay (n, %) | 52 (22) | 193 (87)‡ | 3.9 (3.0 to 5.0) | <0.001 |
| Duration of in-hospital counselling per participant in minutes (median, Q1, Q3) | 45 (45, 48) | 50 (35, 60) | 2.6 (−3.7 to 8.7) | 0.4 |
| Number of in-hospital counselling sessions (median, min, max) | 1 (1,2) | 1 (1, 3) | 0.15 (−0.15 to 0.45) | 0.3 |
| Received phone follow-up (n, %) | NA | 175 (78) | – | – |
| Duration of each phone follow-up in min (median, Q1, Q3) | NA | 11 (8, 17) | – | – |
| Total duration of phone follow-up in min (median, Q1, Q3) | NA | 42 (30, 61) | – | – |
| Number of phone follow-ups (median, Q1, Q3) | NA | 4 (3, 4) | – | – |
| Prescribed nicotine replacement therapy at discharge (n, %) | 42 (18) | 132 (59) | 3.3 (2.4 to 4.3) | <0.001 |
*Risk ratio and 95% CI calculated for dichotomous outcomes. Coefficients for duration of counselling obtained by linear regression. For number of counselling sessions, coefficient obtained by Poisson logistic regression model.
†p Value calculated by χ2 for dichotomous outcomes (eg, proportion receiving counselling) and linear regression for duration of encounters.
‡Of the 13% who did not receive an intervention, 24 (11%) were transferred to another facility or discharged home before the counsellor could approach them, 2% (n=4) completely refused to discuss with counsellor, 1% (n=2) were in a confused state.
CHD, coronary heart disease; CR, cardiac rehabilitation; LVEF, left ventricular ejection fraction; min, minutes; n, number of participants; NA, not-applicable; NSTEMI, non-ST segment elevation myocardial infarction; Q1, first quartile; Q3, third quartile; STEMI, ST segment elevation myocardial infarction.