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Table 2 Relative socioeconomic inequality indices in current smoking, smoking cessation and smoking intensity by gender for adults aged 18–59 from the China Family Panel Studies 2012–2018

From: Trends in the distribution of socioeconomic inequalities in smoking and cessation: evidence among adults aged 18 ~ 59 from China Family Panel Studies data

 

Year

P for trend

 

2012

2014

2016

2018

Men

     

Current smoking a

0.72 (0.63 to 0.83)

0.60 (0.52 to 0.69)

0.58 (0.50 to 0.67)

0.56 (0.48 to 0.66)

0.104

Smoking cessation a

1.07 (0.87 to 1.31)

1.12 (0.91 to 1.36)

1.06 (0.87 to 1.30)

1.30 (1.05 to 1.61)

0.285

Smoking intensity b

-1.39 (-2.22 to -0.57)

-2.37 (-3.23 to -1.50)

-2.35 (-3.25 to -1.44)

-2.91 (-3.86 to -1.97)

0.072

Women

     

Current smoking a

0.63 (0.41 to 0.97)

0.50 (0.32 to 0.79)

0.44 (0.26 to 0.73)

0.50 (0.30 to 0.85)

0.602

Smoking cessation a

0.77 (0.37 to 1.62)

0.98 (0.47 to 2.08)

1.15 (0.51 to 2.57)

1.68 (0.79 to 3.56)

0.216

Smoking intensity b

0.51 (-3.60 to 4.62)

-0.87 (-3.16 to 4.90)

-1.01 (-4.83 to 2.80)

-3.93 (-8.23 to -0.37)

0.123

  1. a The regression-based relative effect index was estimated according to the adjusted odds ratio of SES for smoking behaviours. Relative inequality was considered significant if the 95% confidence interval did not cross one
  2. b The regression-based relative effect index was estimated according to the adjusted coefficient of SES for smoking intensity. Relative inequality was considered significant if the 95% confidence interval did not cross zero
  3. Bold indicates P < 0.05