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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