Table 1

Smoking behaviour and demographic characteristics of baseline sample, participants followed to wave 2 and participants lost to follow-up†

Characteristics at baseline (2006)All participants at wave 1 (n=1079)Followed-up (n=756)Not followed-up (n=323)
Marital status
Education level**
 Primary graduate or less30.3%32033.4%24822.9%72
 Secondary graduate37.4%39534.6%25743.8%138
 High school or technical school graduate or more32.4%34231.9%23733.3%105
Employment status
 Unemployed or inactive31.3%74032.2%24329.1%94
Monthly household income*
 Low ($0 to $3000 pesos)25.2%24827.9%19019.1%58
 Medium ($3001 to $5000 pesos)32.5%32030.8%21036.2%110
 High ($5001 pesos or more)42.4%41841.3%28244.7%136
Smoking status
 Less than daily22.2%23922.1%16722.3%72
No. of cigarettes per day10528.17397.9313
Form of last cigarette purchase
 Pack of cigarettes90.5%96390.4%67190.7%292
 Single cigarette9.1%979.3%698.7%28
 Carton of 10 cigarette packs0.4%40.3%20.6%2
Self-reported price of last pack purchased (MX$ November 2007)$20.83957$20.76666$21.00291
Made serious quit attempt in previous year
Plan to quit
 Within the next month/next 6 months17.0%17117.3%12216.4%49
 Beyond 6 months/not planning to quit83.0%83382.7%58483.6%249
  • Statistically significant differences between the sample that was and was not followed-up are indicated with *p<0.05; **p<0.01.

  • Unweighted means and proportions shown and used when conducting t tests and χ2 tests of significant differences between samples. No differences were found between the baseline sample and followed-up sample.

  • Inactive means retired or on a pension, student, or home duties.