From: Nicotine Dependence among Rural-Urban Migrants in China
Group | N | Mean | SD | F | P value |
---|---|---|---|---|---|
Work type | Â | Â | Â | Â | Â |
construction | 426 | 3.62A | 2.29 | Â | Â |
factory | 288 | 3.28B | 2.34 | 11.64 | < 0.01 |
service | 180 | 3.03B | 2.30 | Â | Â |
Age at first migration | Â | Â | Â | Â | Â |
< 20 | 268 | 2.95A | 2.26 | Â | Â |
20-29 | 345 | 3.45AB | 2.28 | Â | Â |
7.29 | < 0.01 | Â | Â | Â | Â |
30-39 | 224 | 3.73B | 2.28 | Â | Â |
40+ | 57 | 3.83B | 2.61 | Â | Â |
Length of migration (years) | Â | Â | Â | Â | Â |
< 5 | 273 | 3.14A | 2.22 | Â | Â |
5-9 | 289 | 3.28A | 2.37 | Â | Â |
16.18 | < 0.01 | Â | Â | Â | Â |
10-14 | 180 | 3.51A | 2.22 | Â | Â |
15+ | 152 | 3.93B | 2.42 | Â | Â |
Numbers of cities of migration | Â | Â | Â | Â | Â |
1 | 263 | 3.35A | 2.39 | Â | Â |
2 | 304 | 3.15AB | 2.30 | 3.10 | < 0.05 |
3 | 146 | 3.40ABC | 2.16 | Â | Â |
4+ | 181 | 3.86C | 2.33 | Â | Â |