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Smoking Characteristics of Population by the Presence of Serious Mental Illness (SMI)
| SMI (n = 1376) | No SMI (n = 4185) | P value | |||
|---|---|---|---|---|---|
| N (unweighted) | Weighted % (95% CI) | P value | Weighted % (95% CI) | ||
| Smoking status | |||||
| Current smoker | 693 | 48 (40–56) | 1025 | 22 (18–28) | < 0.001 |
| Former smoker | 232 | 20 (16–25) | 743 | 19 (16–22) | |
| Never smoker | 448 | 32 (25–40) | 2414 | 59 (4–63) | |
| Quit ratio* (among ever smokers) | – | 30 (23–37) | – | 46 (38–54) | 0.001 |
*Defined as the ratio of former smokers to ever smokers
