Table 1.
Means, Standard Deviations, and Group Differences in Demographic Characteristics of Daily Smokers and Non-smokers
| Daily Smokers n=123 |
Non-smokers n=63 |
df | t /χ2 | |||
|---|---|---|---|---|---|---|
| M (SD) | % (n) | M (SD) | % (n) | |||
| Annual household incomea,b | 12,525 (9,570) | — | 16,334 (12,204) | — | 110 | 2.31* |
| Years of educationa | 11.91 (1.48) | — | 12.44 (1.85) | — | 184 | 2.13* |
| Number of childrena | 2.15 (1.84) | — | 2.71 (2.34) | — | 183 | 1.81 |
| Agea | 37.74 (10.07) | — | 35.22 (10.75) | — | 184 | −1.37 |
| Employment statusc | 1 | 1.99 | ||||
| Not working | — | 70 (85) | — | 59 (37) | ||
| Working part- or full-time | — | 31 (38) | — | 41 (26) | ||
| Cohabitation statusb | 1 | 2.07 | ||||
| Cohabiting | — | 62 (76) | — | 51 (32) | ||
| Not cohabiting | — | 38 (47) | — | 49 (31) | ||
| Racec | 2 | 2.15 | ||||
| African American | — | 63 (77) | — | 72 (45) | ||
| White | — | 25 (31) | — | 16 (10) | ||
| Other | — | 12 (15) | — | 13 (8) | ||
Note. Means and standard deviations are reported for untransformed scores.
*
p < .05,
**
p < .01.
a
Data analyzed in independent samples t-tests.
b
Levene’s Test of homogeneity of variance was significant; results reported for equal variances not assumed.
c
Data analyzed in chi-square tests of independence.