| Variable . | Non-smokers (n = 51) . | Whole smoker group (n = 63) . | Menthol smoker subgroup (n = 22) . | Non-menthol smoker subgroup (n = 41) . |
|---|---|---|---|---|
| Age | 37.0 (±12.0) | 38.8 (±13.7) | 43.1 (±12.9) | 36.4 (±14.2) |
| Gender (% female) | 47.1 | 33.3 | 31.8 | 34.1 |
| Ethnicity (% Caucasian) | 56.9 | 47.6 | 22.7* | 61.0 |
| Height (inches) | 68.3 (±4.0) | 68.7 (±3.5) | 69.1 (±3.2) | 68.5 (±3.7) |
| Weight (lbs) | 168.0 (±35.0) | 174.5 (±37.2) | 180.7 (±29.0) | 171.1 (±40.9) |
| Education (highest completed grade) | 15.5 (±1.9)** | 14.2 (±2.1) | 14.4 (±2.3) | 14.1 (±2.0) |
| Mother's education (highest completed grade) | 14.2 (±2.9) | 14.1 (±2.6) | 14.0 (±2.6) | 14.2 (±2.6) |
| Cigarettes/d | 0 (±0) | 18.9 (±4.6) | 19.9 (±5.8) | 18.4 (±3.7) |
| Fagerström Test for Nicotine Dependence | 0 (±0) | 4.0 (±2.3) | 4.1 (±2.1) | 3.9 (±2.4) |
| Hamilton Anxiety Rating Scale | 2.0 (±2.3) | 2.3 (±2.5) | 2.0 (±3.0) | 2.4 (±2.3) |
| Hamilton Depression Rating Scale | 1.6 (±2.0) | 2.0 (±2.3) | 1.7 (±2.7) | 2.2 (±2.0) |
| Beck Depression Inventory | 1.0 (±3.0) | 1.6 (±2.0) | 1.4 (±1.8) | 1.8 (±2.1) |
| Caffeine use (coffee cup equivalents/d) | 1.0 (±1.2) | 1.6 (±1.5) | 1.4 (±1.7) | 1.7 (±1.5) |
| Alcohol drinks/wk | 2.0 (±2.3) | 4.0 (±4.8) | 3.8 (±5.7) | 4.1 (±4.3) |
| Marijuana cigarettes/wk | 0.03 (±0.1) | 0.3 (±1.1) | 0.3 (±0.9) | 0.3 (±1.5) |
| Variable . | Non-smokers (n = 51) . | Whole smoker group (n = 63) . | Menthol smoker subgroup (n = 22) . | Non-menthol smoker subgroup (n = 41) . |
|---|---|---|---|---|
| Age | 37.0 (±12.0) | 38.8 (±13.7) | 43.1 (±12.9) | 36.4 (±14.2) |
| Gender (% female) | 47.1 | 33.3 | 31.8 | 34.1 |
| Ethnicity (% Caucasian) | 56.9 | 47.6 | 22.7* | 61.0 |
| Height (inches) | 68.3 (±4.0) | 68.7 (±3.5) | 69.1 (±3.2) | 68.5 (±3.7) |
| Weight (lbs) | 168.0 (±35.0) | 174.5 (±37.2) | 180.7 (±29.0) | 171.1 (±40.9) |
| Education (highest completed grade) | 15.5 (±1.9)** | 14.2 (±2.1) | 14.4 (±2.3) | 14.1 (±2.0) |
| Mother's education (highest completed grade) | 14.2 (±2.9) | 14.1 (±2.6) | 14.0 (±2.6) | 14.2 (±2.6) |
| Cigarettes/d | 0 (±0) | 18.9 (±4.6) | 19.9 (±5.8) | 18.4 (±3.7) |
| Fagerström Test for Nicotine Dependence | 0 (±0) | 4.0 (±2.3) | 4.1 (±2.1) | 3.9 (±2.4) |
| Hamilton Anxiety Rating Scale | 2.0 (±2.3) | 2.3 (±2.5) | 2.0 (±3.0) | 2.4 (±2.3) |
| Hamilton Depression Rating Scale | 1.6 (±2.0) | 2.0 (±2.3) | 1.7 (±2.7) | 2.2 (±2.0) |
| Beck Depression Inventory | 1.0 (±3.0) | 1.6 (±2.0) | 1.4 (±1.8) | 1.8 (±2.1) |
| Caffeine use (coffee cup equivalents/d) | 1.0 (±1.2) | 1.6 (±1.5) | 1.4 (±1.7) | 1.7 (±1.5) |
| Alcohol drinks/wk | 2.0 (±2.3) | 4.0 (±4.8) | 3.8 (±5.7) | 4.1 (±4.3) |
| Marijuana cigarettes/wk | 0.03 (±0.1) | 0.3 (±1.1) | 0.3 (±0.9) | 0.3 (±1.5) |
p < 0.05 between the menthol and non-menthol smoker subgroups, χ2 test.
p < 0.005 between the whole non-smoker and smoker groups, Student's t test; other than the difference in ethnicity between menthol and non-menthol smoker subgroups and the difference in education level between non-smokers and smokers, all other statistical tests for between-group differences were non-significant. In this analysis, no statistical corrections were made for multiple comparisons.
All values are presented as means (±s.d.) or percentages.
| Variable . | Non-smokers (n = 51) . | Whole smoker group (n = 63) . | Menthol smoker subgroup (n = 22) . | Non-menthol smoker subgroup (n = 41) . |
|---|---|---|---|---|
| Age | 37.0 (±12.0) | 38.8 (±13.7) | 43.1 (±12.9) | 36.4 (±14.2) |
| Gender (% female) | 47.1 | 33.3 | 31.8 | 34.1 |
| Ethnicity (% Caucasian) | 56.9 | 47.6 | 22.7* | 61.0 |
| Height (inches) | 68.3 (±4.0) | 68.7 (±3.5) | 69.1 (±3.2) | 68.5 (±3.7) |
| Weight (lbs) | 168.0 (±35.0) | 174.5 (±37.2) | 180.7 (±29.0) | 171.1 (±40.9) |
| Education (highest completed grade) | 15.5 (±1.9)** | 14.2 (±2.1) | 14.4 (±2.3) | 14.1 (±2.0) |
| Mother's education (highest completed grade) | 14.2 (±2.9) | 14.1 (±2.6) | 14.0 (±2.6) | 14.2 (±2.6) |
| Cigarettes/d | 0 (±0) | 18.9 (±4.6) | 19.9 (±5.8) | 18.4 (±3.7) |
| Fagerström Test for Nicotine Dependence | 0 (±0) | 4.0 (±2.3) | 4.1 (±2.1) | 3.9 (±2.4) |
| Hamilton Anxiety Rating Scale | 2.0 (±2.3) | 2.3 (±2.5) | 2.0 (±3.0) | 2.4 (±2.3) |
| Hamilton Depression Rating Scale | 1.6 (±2.0) | 2.0 (±2.3) | 1.7 (±2.7) | 2.2 (±2.0) |
| Beck Depression Inventory | 1.0 (±3.0) | 1.6 (±2.0) | 1.4 (±1.8) | 1.8 (±2.1) |
| Caffeine use (coffee cup equivalents/d) | 1.0 (±1.2) | 1.6 (±1.5) | 1.4 (±1.7) | 1.7 (±1.5) |
| Alcohol drinks/wk | 2.0 (±2.3) | 4.0 (±4.8) | 3.8 (±5.7) | 4.1 (±4.3) |
| Marijuana cigarettes/wk | 0.03 (±0.1) | 0.3 (±1.1) | 0.3 (±0.9) | 0.3 (±1.5) |
| Variable . | Non-smokers (n = 51) . | Whole smoker group (n = 63) . | Menthol smoker subgroup (n = 22) . | Non-menthol smoker subgroup (n = 41) . |
|---|---|---|---|---|
| Age | 37.0 (±12.0) | 38.8 (±13.7) | 43.1 (±12.9) | 36.4 (±14.2) |
| Gender (% female) | 47.1 | 33.3 | 31.8 | 34.1 |
| Ethnicity (% Caucasian) | 56.9 | 47.6 | 22.7* | 61.0 |
| Height (inches) | 68.3 (±4.0) | 68.7 (±3.5) | 69.1 (±3.2) | 68.5 (±3.7) |
| Weight (lbs) | 168.0 (±35.0) | 174.5 (±37.2) | 180.7 (±29.0) | 171.1 (±40.9) |
| Education (highest completed grade) | 15.5 (±1.9)** | 14.2 (±2.1) | 14.4 (±2.3) | 14.1 (±2.0) |
| Mother's education (highest completed grade) | 14.2 (±2.9) | 14.1 (±2.6) | 14.0 (±2.6) | 14.2 (±2.6) |
| Cigarettes/d | 0 (±0) | 18.9 (±4.6) | 19.9 (±5.8) | 18.4 (±3.7) |
| Fagerström Test for Nicotine Dependence | 0 (±0) | 4.0 (±2.3) | 4.1 (±2.1) | 3.9 (±2.4) |
| Hamilton Anxiety Rating Scale | 2.0 (±2.3) | 2.3 (±2.5) | 2.0 (±3.0) | 2.4 (±2.3) |
| Hamilton Depression Rating Scale | 1.6 (±2.0) | 2.0 (±2.3) | 1.7 (±2.7) | 2.2 (±2.0) |
| Beck Depression Inventory | 1.0 (±3.0) | 1.6 (±2.0) | 1.4 (±1.8) | 1.8 (±2.1) |
| Caffeine use (coffee cup equivalents/d) | 1.0 (±1.2) | 1.6 (±1.5) | 1.4 (±1.7) | 1.7 (±1.5) |
| Alcohol drinks/wk | 2.0 (±2.3) | 4.0 (±4.8) | 3.8 (±5.7) | 4.1 (±4.3) |
| Marijuana cigarettes/wk | 0.03 (±0.1) | 0.3 (±1.1) | 0.3 (±0.9) | 0.3 (±1.5) |
p < 0.05 between the menthol and non-menthol smoker subgroups, χ2 test.
p < 0.005 between the whole non-smoker and smoker groups, Student's t test; other than the difference in ethnicity between menthol and non-menthol smoker subgroups and the difference in education level between non-smokers and smokers, all other statistical tests for between-group differences were non-significant. In this analysis, no statistical corrections were made for multiple comparisons.
All values are presented as means (±s.d.) or percentages.
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