Table 1

Description of the sample characteristics
Characteristics All W2 Participants Participants receiving most recent cigarettes as gifts Participants choosing the preferred brand b/c gifts
N % or Mean N % or Mean N % or Mean
City Beijing 801 23.4% 53 49.9% 69 33.8%
Shenyang 799 13.5% 28 15.6% 57 14.9%
Shanghai 803 28.1% 13 10.7% 19 10.5%
Changsha 795 7.9% 23 4.9% 57 8.4%
Guangzhou 833 14.6% 16 4.3% 78 21.7%
Yinchuan 812 12.6% 33 14.5% 49 10.6%
Age Average 4843 51.7 166 54.4 329 54.4
Group 18-24 46 1.2% 0 0.0% 2 1.4%
Group 25-39 766 14.9% 21 14.4% 48 16.9%
Group 40-54 2352 47.4% 67 37.0% 126 31.2%
Group 55+ 1679 36.6% 78 48.6% 153 50.5%
Sex Male 4589 96.0% 150 89.6% 305 93.6%
Marital Status Married or living together 4356 89.1% 151 92.2% 289 85.9%
Divorced, separated, widowed 304 6.4% 12 6.2% 25 10.0%
Single 164 4.5% 2 1.7% 12 4.0%
Education Low education level 588 11.9% 19 12.0% 56 20.4%
Medium education level 3200 67.0% 85 52.2% 183 54.8%
High education level 1025 21.2% 58 35.8% 86 24.8%
Monthly household income Low income 794 14.4% 26 18.5% 62 17.4%
Medium income 2199 48.5% 75 49.4% 137 49.9%
High income 1524 37.1% 49 32.0% 109 32.7%
Smoking frequency Everyday 4360 94.9% 125 76.2% 281 87.2%
Some day 266 5.1% 41 23.8% 48 12.8%
Heaviness of smoking index (HSI) Average 4457 2.37 159 1.41 311 2.02
0 827 18.5% 67 41.4% 85 26.2%
1 711 16.2% 28 18.3% 56 18.3%
2 751 16.2% 23 11.3% 43 12.6%
3 971 21.3% 24 19.8% 63 23.1%
4 801 18.5% 10 5.4% 40 13.0%
5 241 5.4% 6 3.3% 11 3.2%
6 155 3.8% 1 0.5% 13 3.6%
Years for smoking the preferred brand Less than one year 589 11.9% 44 28.0% 68 21.8%
1 to 3 years 1226 26.4% 44 36.1% 92 31.3%
4 to 5 years 675 15.1% 17 9.8% 36 10.9%
6 to 10 years 709 15.8% 23 10.6% 33 9.8%
More than 10 years 1348 30.7% 29 15.6% 88 26.3%

Huang et al.

Huang et al. BMC Public Health 2012 12:996   doi:10.1186/1471-2458-12-996

Open Data