Table 1.
Individual and neighborhood characteristics of the participants by intention to quit smoking. Participants were sampled from the San Francisco Bay Area from August 2015 to November 2017 (N = 340).
| Entire Sample (n = 340) |
Intended to quit within 30 days (n = 86) |
No Intention to quit within 30 days (n = 254) |
P values* | |
|---|---|---|---|---|
| Individual-level Characteristics | ||||
| Ethnicity | <0.01 | |||
| Chinese | 50.88% (n = 173) | 27.91% (n = 24) | 58.66% (n = 149) | |
| Vietnamese | 49.12% (n = 167) | 72.09% (n = 62) | 41.34% (n = 105) | |
| Age Mean (SD) | 54.61 (12.65) | 56.63 (12.33) | 53.92 (12.71) | 0.08 |
| Education | 0.37 | |||
| Less than high school | 44.35% (n = 149) | 47.06% (n = 40) | 43.43% (n = 109) | |
| High school | 30.65% (n = 103) | 24.71% (n = 21) | 32.67% (n = 82) | |
| Some college and beyond | 25.00% (n = 84) | 28.24% (n = 24) | 23.90% (n = 60) | |
| Missing | n = 4 | n = 1 | n = 3 | |
| Marital status | 0.05 | |||
| Married/ living with a partner | 88.24% (n = 300) | 82.56% (n = 71) | 90.16% (n = 229) | |
| Other | 11.76% (n = 40) | 17.44% (n = 15) | 9.84% (n = 25) | |
| Annual household income | 0.82 | |||
| Less than $20,000 | 40.29% (n = 137) | 38.37% (n = 33) | 40.94% (n = 104) | |
| $20,000 or more | 40.88% (n = 139) | 40.70% (n = 35) | 40.94% (n = 104) | |
| Income not reported (Unknown) | 18.82% (n = 64) | 20.93% (n = 18) | 18.11% (n = 46) | |
| Years lived in the U.S. Mean (SD) | 13.96 (11.18) | 17.83 (12.38) | 12.61 (12.61) | <0.01 |
| Missing | n = 6 | n = 0 | n = 6 | |
| Self-rated health | 0.41 | |||
| Excellent/very good/good | 47.34 (n = 160) | 51.16 (n = 44) | 46.03 (n = 116) | |
| Fair/poor | 52.66 (n = 178) | 48.84 (n = 42) | 53.97 (n = 136) | |
| Missing | n = 2 | n = 0 | n = 2 | |
| Cigarettes smoked per day | 0.35 | |||
| Less than 10 | 53.82% (n = 183) | 58.14% (n = 50) | 52.36% (n = 133) | |
| 10 or more | 46.18% (n = 157) | 41.86% (n = 36) | 47.64% (n = 121) | |
| Time to first cigarette after awakening | 0.30 | |||
| Within 30 min | 48.53% (n = 165) | 54.65% (n = 47) | 46.46% (n = 118) | |
| After 30 min | 51.47% (n = 175) | 45.35% (n = 39) | 53.54% (n = 136) | |
| Missing | n = 9 | n = 0 | n = 9 | |
| Neighborhood-level Characteristics | ||||
| Percent of Chinese in the neighbourhood Mean (SD) |
23.65 (22.55) | 15.77 (18.48) | 26.31 (23.2) | <0.01 |
| Percent of Vietnamese in the neighbourhood Mean (SD) |
10.03 (12.26) | 14.10 (13.58) | 8.65 (11.48) | <0.01 |
| Neighborhood Median Income ($) Mean (SD) |
66,975 (28,256) | 61,442 (21,925) | 68,849 (29,906) | 0.03 |
| Number of Tobacco Retailers in the Neighborhood Mean (SD) |
6.62 (10.16) | 5.52 (9.7) | 7.00 (10.30) | 0.24 |
*P-values are comparisons by quit intention groups using t-test or chi-square tests for continuous and categorical variables, respectively.
Note: Percentages were computed based on non-missing values with exception of income. The number of participants with missing values are noted for these variables: education, years lived in the U.S., self-rated health, and time to first cigarette. Other variables did not have missing data.