Table 1.
Trends in the prevalence of current smoking in China, 1991–2011.
| 1991
|
1993
|
1997
|
2000
|
2004
|
2006
|
2009
|
2011
|
P for trendsa | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % | SE | % | SE | % | SE | % | SE | % | SE | % | SE | % | SE | % | SE | ||
| Total | 31.0 | 0.5 | 30.6 | 0.5 | 28.9 | 0.4 | 28.8 | 0.5 | 27.8 | 0.4 | 26.5 | 0.4 | 27.5 | 0.4 | 25.8 | 0.4 | <0.001 |
| Age (years) | |||||||||||||||||
| 15–24 | 18.8 | 0.8 | 19.6 | 0.9 | 15.0 | 0.7 | 16.0 | 1.0 | 12.9 | 1.0 | 14.4 | 1.2 | 17.3 | 1.3 | 15.1 | 1.2 | <0.001 |
| 25–44 | 34.7 | 0.7 | 32.9 | 0.8 | 33.5 | 0.7 | 31.2 | 0.7 | 30.4 | 0.8 | 27.6 | 0.8 | 28.6 | 0.8 | 25.9 | 0.7 | <0.001 |
| 45–64 | 36.7 | 1.0 | 35.9 | 1.0 | 34.8 | 0.9 | 32.6 | 0.8 | 31.3 | 0.7 | 30.3 | 0.7 | 30.0 | 0.7 | 28.6 | 0.6 | <0.001 |
| ≥65 | 28.4 | 1.6 | 29.4 | 1.6 | 22.4 | 1.2 | 25.1 | 1.2 | 23.4 | 10.8 | 21.2 | 1.0 | 24.2 | 1.0 | 22.8 | 0.9 | <0.001 |
| Sex | |||||||||||||||||
| Men | 60.6 | 0.7 | 59.4 | 0.8 | 53.9 | 0.7 | 55.2 | 0.7 | 53.2 | 0.7 | 51.8 | 0.7 | 53.4 | 0.7 | 51.6 | 0.6 | <0.001 |
| Women | 4.0 | 0.3 | 4.1 | 0.3 | 3.9 | 0.3 | 4.3 | 0.3 | 3.8 | 0.3 | 3.4 | 0.3 | 3.5 | 0.3 | 2.9 | 0.2 | <0.001 |
| Region | |||||||||||||||||
| Urban | 30.6 | 0.8 | 30.5 | 0.9 | 28.0 | 0.8 | 27.5 | 0.8 | 26.7 | 0.7 | 26.0 | 0.7 | 26.0 | 0.7 | 24.1 | 0.6 | <0.001 |
| Rural | 31.2 | 0.6 | 30.7 | 0.6 | 29.3 | 0.5 | 29.5 | 0.6 | 28.3 | 0.6 | 26.8 | 0.5 | 28.2 | 0.6 | 27.0 | 0.5 | <0.001 |
| Men | |||||||||||||||||
| Age (years) | |||||||||||||||||
| 15–24 | 38.0 | 1.5 | 38.1 | 1.6 | 28.1 | 1.3 | 30.2 | 1.7 | 23.0 | 1.7 | 27.2 | 20.7 | 32.0 | 2.2 | 30.6 | 2.2 | <0.001 |
| 25–44 | 71.8 | 1.0 | 68.5 | 1.1 | 64.6 | 1.0 | 63.7 | 1.1 | 61.6 | 1.2 | 57.9 | 1.2 | 58.8 | 1.3 | 55.2 | 1.2 | <0.001 |
| 45–64 | 65.8 | 1.4 | 65.2 | 1.4 | 63.6 | 1.2 | 61.3 | 1.2 | 60.0 | 1.1 | 58.0 | 1.1 | 58.0 | 10.8 | 56.8 | 0.9 | <0.001 |
| ≥65 | 49.0 | 2.7 | 51.5 | 2.6 | 39.4 | 2.2 | 42.3 | 2.1 | 40.6 | 1.9 | 37.7 | 1.8 | 43.8 | 1.7 | 41.2 | 1.5 | <0.001 |
| Region | |||||||||||||||||
| Urban | 59.5 | 1.3 | 58.7 | 1.4 | 52.5 | 1.2 | 52.7 | 1.2 | 50.4 | 1.2 | 50.2 | 1.2 | 51.0 | 1.2 | 48.3 | 1.0 | <0.001 |
| Rural | 61.0 | 0.9 | 59.8 | 0.9 | 54.5 | 0.8 | 56.5 | 0.9 | 54.6 | 0.9 | 52.7 | 0.9 | 54.7 | 0.9 | 54.0 | 0.8 | <0.001 |
| Women | |||||||||||||||||
| Age (years) | |||||||||||||||||
| 15–24 | 0.4 | 0.2 | 0.8 | 0.3 | 0.5 | 0.2 | 0.3 | 0.2 | 0.2 | 0.2 | – | – | 0.3 | 0.3 | 0.2 | 0.2 | 0.223 |
| 25–44 | 1.7 | 0.3 | 2.0 | 0.3 | 2.6 | 0.3 | 2.2 | 0.3 | 1.8 | 0.3 | 1.2 | 0.2 | 1.0 | 0.2 | 1.2 | 0.2 | 0.004 |
| 45–64 | 8.5 | 0.8 | 8.0 | 0.8 | 6.4 | 0.6 | 6.2 | 0.6 | 4.5 | 0.5 | 4.2 | 0.4 | 4.4 | 0.4 | 2.9 | 0.3 | <0.001 |
| ≥65 | 11.9 | 1.6 | 10.1 | 1.5 | 8.3 | 1.1 | 10.1 | 1.2 | 9.2 | 1.0 | 7.6 | 0.9 | 6.9 | 0.8 | 6.8 | 0.7 | <0.001 |
| Region | |||||||||||||||||
| Urban | 4.7 | 0.5 | 4.7 | 0.6 | 4.5 | 0.5 | 4.5 | 0.5 | 4.6 | 0.5 | 3.6 | 0.4 | 3.2 | 0.4 | 2.6 | 0.3 | <0.001 |
| Rural | 3.6 | 0.3 | 3.8 | 0.3 | 3.6 | 0.3 | 4.1 | 0.3 | 3.4 | 0.3 | 3.2 | 0.3 | 3.6 | 0.3 | 3.0 | 0.3 | <0.001 |
SE: standard error of prevalence.
a
Adjusted for age, sex and region when appropriate.