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Table 4 Multivariate analysis of adult inpatient frequent use, stratified by Aboriginal status, NT public hospitals, 2005–2013

From: Frequent use of hospital inpatient services during a nine year period: a retrospective cohort study

 

Aboriginal

Non-Aboriginal

odds ratio

95% CI.

odds ratio

95% CI.

Any frequent use year

 Female (c/w male)

1.39

1.30, 1.49

0.84

0.79, 0.90

 Age groups (c/w 15–29 years)a

  30–44 years

1.75

1.63, 1.89

0.92

0.85, 0.99

  45–60 years

3.01

2.73, 3.31

2.24

2.05, 2.44

  60+ years

3.98

3.55, 4.47

5.15

4.74, 5.60

 Rural/remote (c/w urban)b

0.91

0.85, 0.96

0.85

0.80, 0.91

 Alcohol-related (AR) condition (c/w 0)

  1 AR episode

1.75

1.60, 1.91

1.78

1.56, 2.02

  2+ AR episode

8.90

8.20, 9.66

11.47

9.92, 13.26

 Mental health flag

2.80

2.56, 3.07

3.50

3.18, 3.85

 Pregnancy related flag

2.42

2.22, 2.64

4.02

3.69, 4.38

Increased frequent use duration among frequent usersc

 Female (c/w male)

1.32

1.17 1.49

0.86

0.75, 0.99

 Age groups (c/w 15–29 years)a

  30–44 years

1.46

1.27, 1.68

0.87

0.70, 1.08

  45–60 years

1.60

1.34, 1.90

1.33

1.06, 1.67

  60+ years

1.36

1.09, 1.70

1.82

1.46, 2.27

 Rural/remote (c/w urban)b

0.94

0.84, 1.05

0.82

0.69, 0.96

 Alcohol-related (AR) condition (c/w 0)

  1 AR episode

1.32

1.12, 1.55

1.11

0.86, 1.44

  2+ AR episode

2.88

2.55, 3.26

2.21

1.80, 2.72

 Mental health flag

2.26

1.98, 2.57

1.94

1.63, 2.31

 Pregnancy related flag

0.83

0.71, 0.98

0.70

0.55, 0.89

  1. aBased on age at first episode
  2. bBased on residence at first episode
  3. cTwo or more compared with one frequent use year