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Table 1 Demographic and hospital characteristics of inpatient drug-detoxification hospitalizations for patients aged≥12 years: 2003–2011 Nationwide Inpatient Samples

From: National trends and characteristics of inpatient detoxification for drug use disorders in the United States

Year

Overall (2003–2011)

2003

2011

p value

Sample size, unweighted N

271,403

27,626

28,692

Weighted N

1,284,276

128,277

131,371

Weighted column, %

%

(95% CI)

%

(95% CI)

%

(95% CI)

Mean of age, years

38.79

38.29–39.29

37.24

35.91–38.57

39.94

38.17–41.71

0.017

Age group, years

      

< 0.001

 12–17

0.73

(0.45–1.18)

1.19

(0.57–2.48)

0.53

(0.17–1.63)

 

 18–25

13.95

(12.82–15.17)

14.94

(11.16–19.72)

14.89

(11.65–18.83)

 

 26–34

22.53

(21.54–23.54)

24.92

(22.90–27.05)

23.02

(19.46–27.01)

 

 35–49

45.01

(43.45–46.58)

46.74

(42.32–51.20)

36.99

(33.03–41.13)

 

 50–64

16.24

(15.21–17.32)

10.93

(9.21–12.92)

22.17

(18.38–26.50)

 

 65+

1.55

(1.36–1.76)

1.29

(0.83–1.99)

2.41

(1.71–3.37)

 

Sex

      

0.286

 Male

65.27

(63.97–66.55)

63.02

(60.03–65.92)

64.82

(61.52–67.98)

 

 Female

34.60

(33.34–35.89)

36.69

(33.85–39.62)

35.10

(31.96–38.38)

 

Race/Ethnicity

      

0.001

 White, non-Hispanic

44.77

(41.18–48.41)

44.57

(34.68–54.90)

53.98

(42.42–65.13)

 

 Black, non-Hispanic

20.74

(17.78–24.05)

14.58

(9.80–21.14)

27.19

(17.69–39.36)

 

 Hispanic

9.63

(7.69–12.00)

8.13

(5.10–12.74)

7.60

(5.03–11.33)

 

 Asian/Pacific-Islander/Native-American

0.67

(0.52–0.87)

0.34

(0.21–0.55)

0.99

(0.47–2.10)

 

 Other races, non-Hispanic

3.85

(2.80–5.27)

4.30

(1.59–11.11)

3.87

(1.81–8.09)

 

 Unknowna

16.78

(13.46-20.72)

23.28

(12.83–38.47)

4.40

(1.72–10.77)

 

Household income

      

0.731

 Lowest quartile

36.41

(33.55–39.36)

33.25

(25.96–41.43)

33.51

(26.23–41.67)

 

 2nd quartile

20.75

(19.46–22.11)

24.98

(21.17–29.23)

21.09

(17.64–25.00)

 

 3rd quartile

18.72

(17.28–20.26)

20.27

(16.26–24.96)

20.60

(17.47–24.13)

 

 Highest quartile

17.66

(15.96–19.49)

17.14

(13.29–21.82)

19.39

(15.16–24.47)

 

Primary expected payer

      

0.219

 Medicare

11.89

(11.10–12.74)

11.19

(8.45–14.67)

14.02

(10.85–17.92)

 

 Medicaid

39.89

(36.03–43.87)

28.68

(19.99–39.28)

40.37

(30.77–50.76)

 

 Private

22.72

(20.44–25.18)

28.86

(21.43–37.64)

21.74

(15.95–28.91)

 

 Self-pay

18.53

(15.78–21.62)

19.65

(11.64–31.22)

17.66

(10.19–28.85)

 

 Other payers

6.76

(5.48–8.32)

11.52

(6.34–20.02)

6.04

(3.48–10.30)

 

Hospital region

      

0.793

 Northeast

44.02

(38.66–49.51)

41.70

(26.61–58.53)

36.80

(23.99–51.78)

 

 Midwest

20.44

(16.44–25.12)

20.71

(11.21–35.08)

18.15

(8.62–34.25)

 

 South

25.02

(21.12–29.38)

22.87

(14.38–34.35)

31.51

(20.13–45.64)

 

 West

10.52

(8.60–12.81)

14.72

(8.65–23.92)

13.54

(7.25–23.90)

 

Hospital location

      

0.126

 Rural

6.99

(5.36–9.07)

10.81

(4.90–22.17)

5.05

(2.70–9.27)

 

 Urban

92.88

(90.80–94.52)

89.19

(77.83–95.10)

94.83

(90.61–97.22)

 

Detoxification procedure array

      

0.817

 Primary procedure

96.48

(95.74–97.10)

96.57

(94.85–97.73)

96.83

(94.65–98.14)

 

 Secondary procedure

3.52

(2.90–4.26)

3.43

(2.27–5.15)

3.17

(1.86–5.35)

 

Detoxification and treatment

      

0.157

 Drug detoxification-only

87.45

(84.58–89.85)

79.82

(68.08–88.01)

88.47

(79.32–93.88)

 

 Drug detoxification plus rehabilitation

12.55

(10.15–15.42)

20.18

(11.99–31.92)

11.53

(6.12–20.68)

 

Discharge statusb

      

0.007

 Routine discharge

76.65

(75.23–78.00)

79.06

(76.04–81.80)

75.01

(69.62–79.72)

 

 Transfer to further treatment

9.44

(8.41–10.57)

6.79

(4.92–9.30)

12.57

(8.91–17.44)

 

 Discharges against medical advice (DAMA)

13.67

(12.69–14.72)

13.62

(11.29–16.33)

12.30

(10.00–15.05)

 
  1. CI confidence interval
  2. We reduced the significant level to 0.01 due to a relatively large sample. Boldface: p < 0.01
  3. aRace/ethnicity information were not available in some states in some years, which were coded into unknown category
  4. bThe categories of died and other discharges were not reported due to small sample size (less than 10)