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Table 1 Summary of weighted descriptive statistics of analysis variables by sex, NHANES 1999-2012

From: The association of smoking and demographic characteristics on body mass index and obesity among adults in the U.S., 1999–2012

 

Men

Women

Mean

95% CI

Mean

95% CI

Weight in lbs

196.48

[195.19, 197.78]

168.06

[166.76, 169.37]

Height in cm

176.54

[176.32, 176.76]

162.82

[162.62, 163.01]

Body Mass Index (BMI)

28.59

[28.42, 28.77]

28.80

[28.59, 29.02]

Weight categories (%)

    

  Underweight

1%

[1,1]

2%

[2, 2]

  Normal weight

26

[25, 27]

34

[32, 35]

  Overweight

40

[39, 42]

28

[27, 29]

  Obese

33

[32, 34]

36

[35, 38]

Smoking status (%)

    

  Never smokers

47%

[45, 48]

57%

[56, 59]

  Current smokers

28

[27, 30]

23

[22, 24]

Number of cigarettes/day (%)1

    

   1-14 cigarettes

46%

[44, 49]

52%

[49, 55]

   15-24 cigarettes

34

[32, 36]

35

[33, 37]

   25 + cigarettes

19

[17, 22]

13

[11, 15]

  Former smokers

25

[24, 27]

20

[19, 21]

Years since quit smoking (%)2

    

   Less than 1 year

9%

[8, 10]

9%

[7, 11]

   1-4 years

16

[16, 18]

17

[15, 19]

   5-9 years

16

[14, 18]

15

[14, 17]

   10 + years

59

[56, 61]

58

[55, 62]

Age

43.35

[43.02, 43.67]

44.12

[43.82, 44.42]

Race/Ethnicity (%)

    

  White

69%

[67, 72]

69%

[65, 71]

  Black

11

[9, 12]

12

[11, 14]

  Hispanic

14

[12, 16]

13

[11, 15]

  Other

6

[5, 7]

6

[5, 7]

Foreign born (%)

19%

[17, 21]

17%

[15, 18]

Education (%)

    

  < High school

18%

[17, 19]

17%

[16, 18]

  High school

25

[23, 26]

23

[22, 24]

  > High school

57

[55, 59]

60

[59, 62]

Married (%)

70%

[69, 72]

66

[65, 68]

  Missing marital status

2

[1, 3]

1

[1, 2]

Number of kids (%)

    

  No children

n/a

n/a

16%

[15, 18]

  1-2 children

n/a

n/a

46

[44, 46]

  3-4 children

n/a

n/a

24

[23, 25]

  5 or more children

n/a

n/a

4

[4, 5]

  Missing

n/a

n/a

10

[9, 11]

  Observations

11123

 

10949

 
  1. 1the proportions for number of cigarettes per day were derived from current smokers (3,359 men and 2,392 women).
  2. 2 the proportions for years since quit smoking were derived from former smokers (2,791 men and 1,901 women).
  3. n/a – not applicable.