Variables | Total sample (1) | Smoking sample (2) | Non-smoking sample (3) |
---|---|---|---|
Smoking (=1) | 0.030 | 1.000 | 0.000 |
Number of cigarettes smoked per day | 0.254 | 8.346 | - |
Mother smoker (=1) | 0.025 | 0.053 | 0.024*** |
Father smoker (=1) | 0.715 | 0.902 | 0.709*** |
Number of cigarettes mother smoked per day | 0.226 | 0.511 | 0.217* |
Number of cigarettes father smoked per day | 11.665 | 14.541 | 11.574*** |
Age | 15.508 | 16.784 | 15.468*** |
Female (=1) | 0.484 | 0.015 | 0.499*** |
Living in rural area (=1) | 0.714 | 0.722 | 0.714 |
Mother’s age | 42.237 | 43.679 | 42.191*** |
Father’s age | 43.988 | 46.189 | 43.919*** |
Father’s education year | 7.640 | 6.391 | 7.679*** |
Mother’s education year | 5.729 | 4.887 | 5.755*** |
Mother’s employment type | |||
Unemployed | 0.171 | 0.165 | 0.171 |
Farmer | 0.113 | 0.143 | 0.112 |
Collective owned enterprises | 0.470 | 0.519 | 0.468 |
Private or foreign enterprises | 0.063 | 0.053 | 0.063 |
Government or state owned | 0.160 | 0.075 | 0.162*** |
Other employment | 0.010 | 0.015 | 0.010 |
Father’s employment type | |||
Unemployed | 0.083 | 0.113 | 0.082 |
Farmer | 0.103 | 0.135 | 0.102 |
Collective owned enterprises | 0.432 | 0.459 | 0.431 |
Private or foreign enterprises | 0.103 | 0.090 | 0.103 |
Government or state owned enterprises | 0.253 | 0.135 | 0.256*** |
Other employment | 0.011 | 0.023 | 0.011 |
Annual household income per capita | 4464.620 | 4089.133 | 4476.412 |
N | 4368 | 133 | 4235 |