Follow up 1 Nov 1997 (n=2981) | Follow up 2 Nov 1998 (n=1647) | Follow up 3 Nov 1999 (n=1612) | Follow up 4 Nov 2000 (n=1675) | |
---|---|---|---|---|

*Follow up 1 to follow up 4, n.s. | ||||

†Follow up 1 to follow up 4, linear decline, p <0.001. | ||||

Smokers | (n=2312) | (n=1301) | (n=1271) | (n=1320) |

More likely to quit | 51% | 50% | 47% | 49%* |

No difference | 45% | 46% | 49% | 47% |

Less likely to quit | 3% | 3% | 2% | 2% |

Can’t say | 2% | 1% | 1% | 2% |

Quitters | (n=289) | (n=123) | (n=192) | (n=154) |

Helped to stay quit | 60% | 56% | 52% | 44%† |

Had no effect | 35% | 40% | 43% | 53% |

Made it more difficult | 2% | 1% | 3% | 1% |

Can’t say | 4% | 3% | 2% | 2% |