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Table 1 Sample characteristics of Mexican smokers, including those who were and were followed up over 14 months, November/December 2008 to January/February 2010*

From: Consumption of single cigarettes and quitting behavior: A longitudinal analysis of Mexican smokers

Baseline Independent Variables Baseline (n = 1649) Followed up
   Yes (n = 1206) No (n = 443)
  %(n) %(n) %(n)
Sexb    
   Male 63.0%(1042) 61.0%(739) 68.0%(303)
Agea    
   18-24 18.5%(305) 18.2%(219) 19.5%(86)
   25-39 36.7%(604) 35.2%(425) 40.5%(179)
   40-54 28.3%(467) 28.5%(344) 27.8%(123)
   55+ 16.5%(272) 18.1%(218) 12.2%(54)
Educationc    
   < Middle School 27.3%(443) 29.8%(355) 20.2%(88)
   Middle School 29.4%(477) 30.2%(359) 27.1%(118)
   Technical School 8.9%(144) 9.3%(111) 7.6%(33)
   High School 17.8%(290) 15.7%(187) 23.7%(103)
   >High School 16.7%(271) 15%(178) 21.4%(93)
Income (pesos/month)    
   0 - 3000 25.2%(412) 25.5%(306) 24.1%(106)
   3000 - 5000 24.5%(402) 25.0%(299) 23.4%(103)
   5000 - 10 000 19.0%(312) 19.1%(229) 18.9%(83)
   8 000 or more 19.4%(317) 18.1%(217) 22.7%(100)
   Missing 11.9%(195) 12.3%(147) 10.9%(48)
Smoking intensity    
   Non daily 34.0%(560) 33.0%(398) 36.6%(162)
   Daily < = 5 cigarettes/day 30.4%(502) 31.0%(374) 28.9%(128)
   Daily >5 cigarettes/day 35.6%(587) 36.0%(434) 34.5%(153)
Tried to quit in last yeara    
   No 66.0%(1087) 64.6%(777) 70.0%(310)
   Yes 34.0%(559) 35.4%(426) 30.0%(133)
Quit intention in next 6 months    
   No 78.5%(1297) 78.8%(950) 78.5%(347)
   Yes 21.2%(350) 21.2%(255) 21.5%(95)
Last purchase of cigarettes    
   Package 82.1%(1352) 81.3%(980) 84.2%(372)
   Singles 16.8%(276) 17.6%(212) 14.5%(64)
   Carton 1.0%(16) 1.0%(12) 0.9%(4)
   missing 0.2%(3) 0.1%(1) 0.5%(2)
How often bought singles    
   daily 7.4%(122) 7.3%(88) 7.7%(34)
   not daily but once a week or more 17.3%(285) 16.8%(203) 18.6%(82)
   one to three times a month 6.9%(114) 6.8%(82) 7.2%(32)
   a few times in the last six months 10.3%(170) 10.3%(124) 10.4%(46)
   not in the last 6 months 57.5%(947) 58.3%(703) 55.2%(244)
How often bought single cigarettes to reduce cig consumption
   daily 4.5%(74) 4.3%(52) 5.0%(22)
   not daily but once a week or more 12.2%(201) 11.7%(141) 13.6%(60)
   one to three times a month 5.6%(92) 5.5%(66) 5.9%(26)
   a few times in the last six months 7.2%(118) 6.9%(83) 7.9%(35)
   not in the last 6 months 69.7%(1148) 70.7%(853) 66.7%(295)
How often see single cig solda    
   daily 29.5%(481) 30.5%(365) 26.7%(116)
   not daily but once a week or more 10.7%(174) 11.7%(140) 7.8%(34)
   one to three times a month 5.5%(89) 5.6%(67) 5.1%(22)
   a few times in the last six months 14.8%(241) 13.5%(162) 18.2%(79)
   not in the last 6 months 39.6%(647) 38.7%(463) 42.3%(184)
Feel like smoking when see single cig sold    
   daily 18.8%(211) 16.1%(136) 23.2%(75)
   not daily but once a week or more 19.3%(225) 19.8%(167) 18.0%(58)
   one to three times a month 6.0%(71) 6.3%(53) 5.6%(18)
   a few times in the last six months 10.3%(120) 10.5%(89) 9.6%(31)
   not in the last 6 months 45.9%(536) 46.9%(396) 43.4%(140)
  1. a: p < 0.05; b: p < 0.01; c: p < 0.001 for comparing those who were and were not followed up.
  2. *Raw estimates, not taking into account complex sample design
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