| 2000–2001 | 2002–2003 | ||||||
---|---|---|---|---|---|---|---|---|
Characteristics | Price elasticity | Income elasticity | Price elasticity | Income elasticity | ||||
Overall | -0.3352 | (-4.355)* | 0.0055 | (0.849) | -0.4062 | (-3.102)* | 0.0174 | (2.331)* |
Gender | Â | Â | Â | Â | Â | Â | Â | Â |
Male | -0.3107 | (-4.036)* | 0.0020 | (0.291) | -0.3930 | (-2.935)* | 0.0194 | (2.450)* |
Female | -0.1223 | (-0.312) | -0.0206 | (-0.820) | -0.1406 | (-0.251) | -0.0476 | (-1.903) |
Age | Â | Â | Â | Â | Â | Â | Â | Â |
17–24 | -0.4022 | (-0.645) | 0.0368 | (1.151) | -0.1057 | (-0.144) | 0.0420 | (1.532) |
25–34 | -0.0528 | (-0.274) | -0.0038 | (-0.227) | 0.2300 | (0.734) | 0.0315 | (1.822) |
35–44 | -0.1835 | (-1.425) | -0.0028 | (-0.206) | -0.2154 | (-1.023) | -0.0060 | (-0.422) |
45–54 | -0.1540 | (-1.087) | 0.0048 | (0.388) | -0.4100 | (-1.624) | -0.0107 | (-0.724) |
55- | -0.2453 | (-1.073) | -0.0080 | (-0.608) | -0.0475 | (-0.118) | 0.0008 | (0.044) |
Education | Â | Â | Â | Â | Â | Â | Â | Â |
   College and above | -0.1070 | (-0.514) | -0.0133 | (-0.584) | -0.7007 | (-2.047)* | 0.0919 | (4.148)* |
   Senior high school | -0.2772 | (-2.273)* | 0.0211 | (1.825) | -0.5369 | (-2.703)* | 0.0233 | (2.069)* |
   Junior high school | -0.5766 | (-4.093)* | 0.0275 | (2.552)* | 0.1789 | (0.833) | 0.0279 | (2.058)* |
   Preliminary or lower | 0.0560 | (0.302) | -0.0056 | (-0.440) | -0.0392 | (-0.118) | -0.0191 | (-1.244) |
Month income | Â | Â | Â | Â | Â | Â | Â | Â |
   No income | -0.5103 | (-2.193)* |  |  | -0.8363 | (-2.014)* |  |  |
   <NT $20,000 | -0.4570 | (-2.373)* |  |  | -0.7478 | (-2.316)* |  |  |
   NT $ 20,000–39,999 | -0.4805 | (-3.953)* |  |  | -0.2861 | (-1.345) |  |  |
   NT $ 40,000–59,999 | -0.1562 | (-0.951) |  |  | -0.2624 | (-1.022) |  |  |
   ≥ NT $ 60,000 | 0.2341 | (1.050) |  |  | -0.1152 | (-0.301) |  |  |
Smoking degree | Â | Â | Â | Â | Â | Â | Â | Â |
   Light smokers | -0.1984 | (-2.046)* | 0.0087 | (1.120) | -0.5320 | (-3.293)* | 0.0172 | (1.956) |
   Medium smokers | -0.0228 | (-0.914) | -0.0005 | (-0.198) | -0.2600 | (-5.068)* | -0.0046 | (-1.514) |
   Heavy smokers | 0.2573 | (1.973)* | -0.0083 | (-0.820) | -0.0006 | (-0.005) | 0.0010 | (0.137) |