Table 2.
Covariates | Within-brand vs. no switch or between brand switch (N=1435) | Between brand vs. no switch or within-brand switch (N=1435) | ||
---|---|---|---|---|
OR | 95% CI | OR | 95% CI | |
Sex | ||||
Female | 1.02 | (0.81–1.30) | 1.02 | (0.78–1.34) |
Male (reference) | 1.00 | ------------- | ----- | ------------- |
Age Group | ||||
55–max | 0.43 | (0.24–0.75) | 0.55 | (0.27–1.12) |
40–54 | 0.46 | (0.26–0.81) | 0.43 | (0.21–0.87) |
25–39 | 0.50 | (0.27–0.90) | 0.67 | (0.32–1.39) |
18–24 (reference) | 1.00 | ------------- | ----- | ------------- |
Race | ||||
Black | 1.34 | (0.87–2.08) | 1.34 | (0.77–2.33) |
Other | 1.31 | (0.86–1.99) | 1.61 | (1.03–2.53) |
White (reference) | 1.00 | ------------- | ----- | ------------- |
Incomea | ||||
Low | 0.95 | (0.67–1.34) | 1.73 | (1.20–2.51) |
Middle | 1.28 | (0.94–1.74) | 1.33 | (0.93–1.92) |
No answer | 1.22 | (0.70–2.13) | 1.20 | (0.62–2.32) |
High (reference) | 1.00 | ------------- | ----- | ------------- |
Nicotine Addictionb | ||||
>=4 | 0.79 | (0.61–1.02) | 1.11 | (0.85–1.45) |
<4 (reference) | 1.00 | ------------- | ----- | ------------- |
Daily smoking | ||||
Daily | 0.75 | (0.48–1.17) | 1.03 | (0.55–1.93) |
Non-daily (reference) | 1.00 | ------------- | ----- | ------------- |
Educationc | ||||
Low | 1.08 | (0.76–1.53) | 1.05 | (0.70–1.56) |
Middle | 1.09 | (0.78–1.53) | 0.90 | (0.60–1.35) |
High (reference) | 1.00 | ------------- | ----- | ------------- |
Geographic Region | ||||
Midwest | 1.00 | (0.69–1.47) | 0.82 | (0.54–1.22) |
Northeast | 0.96 | (0.64–1.44) | 0.87 | (0.58–1.31) |
South | 1.16 | (0.82–1.65) | 0.74 | (0.51–1.08) |
West (reference) | 1.00 | ------------- | ----- | -------------- |
Brand Type | ||||
Discount | 0.57 | (0.45–0.72) | 5.58 | (4.16–7.48) |
Premium (reference) | 1.00 | ------------- | ----- | -------------- |
Models also contain wave and time-in-sample.
Income defined as low: ≤ $29,999; medium:$30,000–$59,999; and high:≥$60,000.
Nicotine dependence is measured by the heaviness of smoking index (scored 0–6) and categorized as either low (<4) or high (≥4).
Education defined as: low= ≤ high school; moderate=some college/tech/trade school, no degree; high= university degree or greater