Table 2 General characteristics of participants according to stress
From: Is secondhand smoke associated with stress in smokers and non-smokers?
| (unit = n, %) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Stress | Total | p-value | ||||||
| High | Low | |||||||
| Secondhand smoke exposure state | ||||||||
| Exposure | Workplace & home | 564 | (37.2) | 968 | (62.8) | 1,532 | (5.6) | <.0001 |
| Workplace | 2,678 | (31.2) | 5,739 | (68.8) | 8,417 | (29.7) | ||
| Home | 867 | (34.8) | 1,625 | (65.2) | 2,492 | (7.7) | ||
| Non-exposure | 5,145 | (25.3) | 16,142 | (74.7) | 21,287 | (57.1) | ||
| Smoking status | ||||||||
| Smoker | 2,306 | (32.8) | 4,931 | (67.2) | 7,237 | (26.9) | <.0001 | |
| Ex-smoker | 1,552 | (24.5) | 5,186 | (75.5) | 6,738 | (19.9) | ||
| Non-smoker | 5,396 | (27.8) | 14,357 | (72.2) | 19,753 | (53.2) | ||
| Sex | ||||||||
| Male | 3,501 | (25.7) | 10,921 | (74.3) | 14,422 | (49.8) | <.0001 | |
| Female | 5,753 | (31.2) | 13,553 | (68.8) | 19,306 | (50.2) | ||
| Marital status | ||||||||
| Married | 7,720 | (27.5) | 21,406 | (72.5) | 29,126 | (78.8) | <.0001 | |
| Single | 1,534 | (32.2) | 3,068 | (67.8) | 4,602 | (21.2) | ||
| Age | ||||||||
| 19–29 | 1,454 | (33.5) | 2,740 | (66.5) | 4,194 | (19.8) | <.0001 | |
| 30–39 | 2,136 | (32.9) | 4,431 | (67.1) | 6,567 | (21.6) | ||
| 40–49 | 1,804 | (28.1) | 4,567 | (71.9) | 6,371 | (22.2) | ||
| 50–59 | 1,533 | (24.4) | 4,573 | (75.6) | 6,106 | (17.5) | ||
| 60–69 | 1,210 | (21.7) | 4,337 | (78.3) | 5,547 | (10.4) | ||
| ≥ 70 | 1,117 | (23.4) | 3,826 | (76.6) | 4,943 | (8.6) | ||
| Income | ||||||||
| Low | 2,516 | (31.0) | 5,780 | (69.0) | 8,296 | (25.8) | <.0001 | |
| Middle-low | 2,375 | (28.8) | 6,089 | (71.2) | 8,464 | (25.2) | ||
| Middle-high | 2,229 | (26.7) | 6,284 | (73.3) | 8,513 | (25.0) | ||
| High | 2,134 | (27.3) | 6,321 | (72.7) | 8,455 | (24.0) | ||
| Economic status | ||||||||
| Employed | 5,818 | (29.6) | 14,287 | (70.4) | 20,105 | (64.1) | <.0001 | |
| Unemployed | 3,436 | (26.4) | 10,187 | (73.6) | 13,623 | (35.9) | ||
| Educational level | ||||||||
| Elementary school | 2,439 | (27.2) | 6,655 | (72.8) | 9,094 | (19.1) | <.0001 | |
| Middle school | 847 | (23.9) | 2,886 | (76.1) | 3,733 | (10.2) | ||
| High school | 3,054 | (27.7) | 8,392 | (72.3) | 11,446 | (39.5) | ||
| University & college | 2,914 | (31.7) | 6,541 | (68.3) | 9,455 | (31.2) | ||
| Perceived health status | ||||||||
| Good | 6,189 | (24.9) | 20,130 | (75.1) | 26,319 | (81.1) | <.0001 | |
| Bad | 3,065 | (43.9) | 4,344 | (56.1) | 7,409 | (18.9) | ||
| Year | ||||||||
| 2007 | 684 | (27.2) | 1,931 | (72.8) | 2,615 | (8.2) | <.0001 | |
| 2008 | 1,803 | (28.8) | 4,626 | (71.2) | 6,429 | (17.8) | ||
| 2009 | 2,195 | (31.0) | 5,179 | (69.0) | 7,374 | (18.8) | ||
| 2010 | 1,674 | (28.1) | 4,477 | (71.9) | 6,151 | (18.7) | ||
| 2011 | 1,502 | (28.1) | 4,145 | (71.9) | 5,647 | (18.0) | ||
| 2012 | 1,396 | (26.9) | 4,116 | (73.1) | 5,512 | (18.4) | ||
| Total | 9,254 | (28.5) | 24,474 | (71.5) | 33,728 | (100.0) | ||
