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Table 2 Timing of driver licensure in relation to demographic characteristics, sample of 18- to 20-year-olds, United States, 2012

From: Driver licensing and reasons for delaying licensure among young adults ages 18-20, United States, 2012

 

Licensed within 12 months of state minimum age

Licensed before 18 th birthday

 

Unadjusted %

Adjusted prevalence ratio* (95% CI)

Unadjusted %

Adjusted prevalence ratio* (95% CI)

  All (n = 1,039)

44

 

54

 

Age (years)

    

  18 (n = 329)

45

1 [Reference]

56

1 [Reference]

  19 (n = 359)

42

1.01 (0.80–1.27)

52

0.95 (0.79–1.15)

  20 (n = 351)

45

1.09 (0.88–1.35)

53

1.02 (0.86–1.21)

Sex

    

  Male (n = 468)

42

1 [Reference]

51

1 [Reference]

  Female (n = 571)

46

1.01 (0.84–1.21)

57

1.05 (0.91–1.22)

Census region

    

  Northeast (n = 193)

48

1 [Reference]

50

1 [Reference]

  Midwest (n = 261)

56

1.21 (0.95–1.54)

68

1.48 (1.19–1.85)

  South (n = 316)

38

1.01 (0.77–1.32)

51

1.30 (1.03–1.63)

  West (n = 269)

39

0.98 (0.74–1.29)

49

1.23 (0.97–1.55)

Place of residence at age 16

    

  Out in the country (n = 136)

57

1 [Reference]

69

1 [Reference]

  Small town (n = 212)

42

0.87 (0.63–1.20)

50

0.82 (0.64–1.05)

  Medium-sized town (n = 246)

45

0.84 (0.62–1.15)

56

0.84 (0.66–1.07)

  Small city (n = 224)

47

0.97 (0.71–1.33)

54

0.89 (0.70–1.14)

  Large city (n = 215)

34

0.80 (0.56–1.14)

48

0.86 (0.67–1.11)

Household income

    

  <$20,000 (n = 200)

16

0.28 (0.17–0.47)

25

0.37 (0.25–0.55)

  $20,000 – $39,999 (n = 230)

27

0.50 (0.36–0.71)

34

0.54 (0.41–0.70)

  $40,000 – $59,999 (n = 159)

44

0.72 (0.54–0.95)

52

0.68 (0.54–0.85)

  $60,000 – $99,999 (n = 233)

52

0.81 (0.65–1.01)

64

0.81 (0.68–0.96)

  $100,000+ (n = 217)

67

1 [Reference]

79

1 [Reference]

Race & ethnicity

    

  Non-Hispanic white (n = 632)

56

1 [Reference]

67

1 [Reference]

  Non-Hispanic black (n = 96)

24

0.57 (0.36–0.90)

37

0.67 (0.48–0.93)

  Non-Hispanic other, incl. 2+ races (n = 90)

46

0.94 (0.69–1.28)

51

0.87 (0.67–1.13)

  Hispanic (n = 221)

21

0.57 (0.38–0.87)

29

0.60 (0.45–0.81)

  1. Notes: Missing values for timing of licensure (n = 23; 3% of weighted responses) were imputed 20 times and averaged.
  2. *Adjusted prevalence ratios estimated using multivariable logistic regression followed by marginal standardization.
  3. 6 respondents with missing data on place of residence at age 16 were excluded.