Int. J. Environ. Res. Public Health 2011, 8 3.1. Smoking Policy and Exposure to Secondhand Smoke 1524 According to subjects’ reports, 64 (9.6%) restaurants and nine (6.0%) bars prohibited smoking, 221 (33%) restaurants and 35 (23%) bars restricted smoking. Eleven percent of current nonsmoking owners voluntarily prohibited smoking in their venues, while only 6% of current smoking owners did so. For current nonsmoking subjects, 49% of those from restaurants prohibiting smoking and all of those from bars prohibiting smoking reported exposure for at least one day at work during the past week (Table 2). Overall, 86% of nonsmoking subjects from restaurants and 90% of those from bars had at least one-day exposure to SHS at work in the past week. Table 1. Type of establishments and characteristics of restaurant and bar owners and managers interviewed, five Chinese cities, 2007. Total Total n (%) 814 (100.0) Beijing n (%) 161 (100.0) Wuhan n (%) 172 (100.0) Xi’an n (%) 161 (100.0) Kunming n (%) 160 (100.0) Guiyang n (%) 160 (100.0) χ2 test p value Type of Establishment Chinese dining 506 (62.2) 95 (59.0) 112 (65.1) 100 (62.1) 100 (62.5) 99 (61.9) Chinese fast food 58 (7.1) 17 (10.6) 10 (5.8) 10 (6.2) 10 (6.3) 11 (6.9) Western dining 52 (6.4) 11 (6.8) 10 (5.8) 10 (6.2) 10 (6.3) 11 (6.9) 0.996 Western fast food 49 (6.0) 11 (6.8) 10 (5.8) 10 (6.2) 9 (5.6) 9 (5.6) Bar 149 (18.3) 27 (16.8) 30 (17.4) 31 (19.3) 31 (19.4) 30 (18.8) Gender Male 413 (50.7) 93 (57.8) 71 (41.3) 84 (52.2) 82 (51.3) 83 (51.9) Female 399 (49.0) 67 (41.6) 100 (58.1) 77 (47.8) 78 (48.8) 77 (48.1) 0.049 Missing 2 (0.2) 1 (0.6) 1 (0.6) 0 (0.0) 0 (0.0) 0 (0.0) Age ≤35 571 (70.0) 111 (68.9) 116 (67.4) 109 (67.7) 117 (73.1) 118 (73.8) 0.692 >35 239 (29.5) 50 (31.1) 54 (31.4) 50 (31.1) 43 (26.9) 42 (26.3) Missing 4 (0.5) 0 (0.0) 2 (1.2) 2 (1.2) 0 (0.0) 0 (0.0) Education ≤High school 444 (54.5) 85 (52.8) 100 (58.1) 91 (56.5) 98 (61.3) 70 (43.8) 0.016 >High School 368 (45.2) 76 (47.2) 70 (40.7) 70 (43.5) 62 (38.8) 90 (56.3) Missing 2 (0.2) 0 (0.0) 2 (1.2) 0 (0.0) 0 (0.0) 0 (0.0) Current Smoking No 525 (64.5) 106 (65.8) 121 (70.3) 99 (61.5) 100 (62.5) 99 (61.9) 0.338 Yes 287 (35.3) 54 (33.5) 50 (29.1) 62 (38.5) 60 (37.5) 61 (38.1) Missing 2 (0.2) 1 (0.6) 1 (0.6) 0 (0.0) 0 (0.0) 0 (0.0) Note: results presented in this table represent simple aggregation of the survey results, and no sampling weighting was used.