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Table 3 Cox estimations of proportional randomness on the initiation and cessation of tobacco consumption: Cohorts 2001–2005 and 2006–2010

From: The effect of policies regulating tobacco consumption on smoking initiation and cessation in Spain: is it equal across socioeconomic groups?

Explanatory Variables Initiation Cessation
ENS06
2001–2005
ENS11
2006–2010
ENS06
2001–2005
ENS11
2006–2010
Hazard ratio (std. err.) Hazard ratio (std. err.)
Female 1.10 (0.11) 0.81 (0.12) 1.11 (0.76) 0.88*(0.06)
Social class:
Class I-II (reference)
 Class III 0.87 (0.14) 1.42 (0.38) 0.93 (0.09) 1.08 (0.10)
 Class IV-V 1.09 (0.15) 1.63* (0.37) 0.88 (0.09) 0.85 (0.08)
 Class VI 0.94 (0.17) 1.82* (0.47) 0.76**(0.10) 0.67**(0.09)
 Resident in the Canary Islands, Ceuta or Melilla 0.73 (0.17) 0.62 (0.18) 0.86 (0.13) 0.82 (0.11)
Working    0.83**(0.06) 0.94 (0.06)
Has suffered an heart attack    3.10**(0.57) 2.87**(0.45)
Level of studies:
Primary or below (reference)
 Secondary    1.15 (0.11) 0.78*(0.10)
 High School or vocational train.    1.26**(0.12) 0.87 (0.13)
 University students    1.49**(0.16) 1.08 (0.15)
 Num. Observations 1836 1281 7426 5526
 Log pseudolikelihood −2822.08 −1355.25 −7803.19 −9315.31
  1. * (p-value < 0.05) ** (p-value < 0.01)
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