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Table 4 Cox proportional hazards models examining the associations with mental health, alcohol misuse, smoking for the top 5 NCDs

From: Hospital admissions for non-communicable disease in the UK military and associations with alcohol use and mental health: a data linkage study

 

n with disorder (row %)

Unadjusted Hazard Ratio (HR) (95% CI)

Adjusted HR (95% CI)a

Adjusted HR (95% CI)b

Adjusted HR (95% CI)c

Gastrointestinal disorders (n = 8359, failures = 303)

 PTSD

  Non-case

279 (3.46%)

1.00

1.00

1.00

1.00

  Case

21 (7.58%)

2.29 (1.38–3.81)

2.15 (1.27–3.63)

2.11 (1.24–3.61)

2.28 (1.34–3.89)

 CMD

  Non-case

230 (3.35%)

1.00

1.00

1.00

1.00

  Case

72 (4.85%)

1.47 (1.07–2.02)

1.48 (1.08–2.2)

1.49 (1.08–2.03)

1.55 (1.12–2.15)

 Alcohol misuse

  Low risk drinking (0–7)d

138 (3.92%)

1.00

1.00

1.00

 

  Hazardous drinking (8–15)

130 (3.51%)

0.92 (0.69–1.22)

1.04 (0.76–1.41)

1.03 (0.76–1.41)

 

  Harmful drinking/possible dependence (16+)

30 (3.27%)

0.89 (0.56–1.41)

1.10 (0.68–1.77)

1.07 (0.65–1.77)

 

 Binge drinking at phase 2

  Monthly or less

201 (4.17%)

1.00

1.00

1.00

 

  Weekly or more

97 (2.85%)

0.70 (0.52–0.93)

0.76 (0.56–1.03)

0.76 (0.56–1.03)

 

 Smoking status at phase 2

  Non-smoker

134 (2.96%)

1.00

1.00

1.00

 

  Ex-smoker

85 (3.97%)

1.32 (0.96–1.82)

1.18 (0.85–1.64)

1.17 (0.84–1.63)

 

  Smoker

77 (4.45%)

1.56 (1.12–2.16)

1.65 (1.19–2.28)

1.64 (1.18–2.28)

 

Joint disorders (n = 8361, failures = 291)

 PTSD

  Non-case

272 (3.34%)

1.00

1.00

1.00

1.00

  Case

15 (4.04%)

1.23 (0.67–2.26)

1.23 (0.66–2.27)

1.18 (0.64–2.17)

1.07 (0.57–1.99)

 CMD

  Non-case

224 (3.31%)

1.00

1.00

1.00

1.00

  Case

62 (3.59%)

1.08 (0.77–1.52)

1.06 (0.76–1.49)

1.05 (0.74–1.47)

1.00 (0.70–1.43)

 Alcohol misuse

  Low risk drinking (0–7) d

117 (3.18%)

1.00

1.00

1.00

 

  Hazardous drinking (8–15)

129 (3.26%)

1.04 (0.77–1.39)

0.98 (0.72–1.33)

0.97 (0.71–1.32)

 

  Harmful drinking/possible dependence (16+)

42 (4.55%)

1.47 (0.98–2.22)

1.33 (0.86–2.05)

1.32 (0.85–2.06)

 

 Binge drinking at phase 2

  Monthly or less

169 (3.09%)

1.00

1.00

1.00

 

  Weekly or more

118 (3.86%)

1.27 (0.96–1.67)

1.21 (0.91–1.61)

1.21 (0.91–1.61)

 

 Smoking status at phase 2

  Non-smoker

124 (2.80%)

1.00

1.00

1.00

 

  Ex-smoker

78 (3.52%)

1.25 (0.89–1.74)

1.25 (0.89–1.75)

1.24 (0.88–1.74)

 

  Smoker

85 (4.43%)

1.63 (1.17–2.25)

1.54 (1.10–2.16)

1.53 (1.09–2.15)

 

Arthritis/osteoarthritis (n = 8484, failures = 131)

 PTSD

  Non-case

120 (1.49%)

1.00

1.00

1.00

1.00

  Case

8 (2.22%)

1.55 (0.68–3.52)

1.76 (0.77–4.02)

1.78 (0.79–4.01)

1.73 (0.71–4.20)

 CMD

  Non-case

98 (1.52%)

1.00

1.00

1.00

1.00

  Case

31 (1.65%)

1.10 (0.68–1.78)

1.19 (0.74–1.91)

1.20 (0.75–1.94)

1.10 (0.66–1.85)

 Alcohol misuse

  Low risk drinking (0–7) d

62 (1.80%)

1.00

1.00

1.00

 

  Hazardous drinking (8–15)

55 (1.34%)

0.78 (0.51–1.19)

0.91 (0.58–1.42)

0.92 (0.59–1.44)

 

  Harmful drinking/possible dependence (16+)

10 (1.16%)

0.70 (0.33–1.49)

0.95 (0.44–2.09)

0.99 (0.44–2.20)

 

 Binge drinking at phase 2

  Monthly or less

83 (1.62%)

1.00

1.00

1.00

 

  Weekly or more

44 (1.35%)

0.86 (0.56–1.33)

0.98 (0.63–1.53)

0.99 (0.64–1.55)

 

 Smoking status at phase 2

  Non-smoker

57 (1.36%)

1.00

1.00

1.00

 

  Ex-smoker

42 (1.78%)

1.27 (0.80–2.03)

1.09 (0.67–1.77)

1.09 (0.67–1.76)

 

  Smoker

29 (1.64%)

1.26 (0.75–2.11)

1.33 (0.78–2.27)

1.34 (0.78–2.29)

 

Hypertension (n = 8490, failures = 105)

 PTSD

  Non-case

92 (1.29%)

1.00

1.00

1.00

1.00

  Case

11 (2.82%)

2.22 (1.06–4.68)

2.56 (1.24–5.30)

2.23 (1.07–4.67)

2.08 (0.94–4.62)

 CMD

  Non-case

77 (1.29%)

1.00

1.00

1.00

1.00

  Case

27 (1.75%)

1.37 (0.82–2.28)

1.50 (0.90–2.49)

1.39 (0.83–2.33)

1.35 (0.81–2.24)

 Alcohol misuse

  Low risk drinking (0–7) d

52 (1.60%)

1.00

1.00

1.00

 

  Hazardous drinking (8–15)

41 (1.22%)

0.78 (0.49–1.24)

1.04 (0.64–1.69)

1.00 (0.61–1.62)

 

  Harmful drinking/possible dependence (16+)

11 (1.31%)

0.86 (0.42–1.77)

1.54 (0.74–3.18)

1.39 (0.67–2.91)

 

 Binge drinking at phase 2

68 (1.50%)

    

  Monthly or less

36 (1.23%)

1.00

1.00

1.00

 

  Weekly or more

 

0.84 (0.53–1.33)

1.01 (0.63–1.62)

0.99 (0.62–1.58)

 

 Smoking status at phase 2

  Non-smoker

54 (1.42%)

1.00

1.00

1.00

 

  Ex-smoker

28 (1.50%)

1.04 (0.62–1.72)

0.81 (0.49–1.33)

0.77 (0.46–1.29)

 

  Smoker

22 (1.23%)

0.88 (0.50–1.55)

0.99 (0.56–1.75)

0.94 (0.53–1.67)

 

Prostate and GU disorders (n = 8469, failures = 90)

 PTSD

  Non-case

80 (1.08%)

1.00

1.00

1.00

1.00

  Case

9 (2.53%)

2.42 (1.08–5.41)

2.50 (1.14–5.46)

2.17 (0.97–4.85)

2.47 (1.17–5.20)

 CMD

  Non-case

64 (1.00%)

1.00

1.00

1.00

1.00

  Case

26 (1.75%)

1.77 (1.04–3.00)

1.82 (1.09–3.05)

1.74 (1.05–2.89)

1.80 (1.08–3.01)

 Alcohol misuse

  Low risk drinking (0–7) d

(*)

1.00

1.00

1.00

 

  Hazardous drinking (8–15)

(*)

1.14 (0.69–1.88)

1.22 (0.67–1.87)

1.11 (0.67–1.86)

 

  Harmful drinking/possible dependence (16+)

(*)

0.61 (0.25–1.49)

0.64 (0.25—1.66)

0.61 (0.24–1.59)

 

 Binge drinking at phase 2

  Monthly or less

62 (1.35%)

1.00

1.00

1.00

 

  Weekly or more

28 (0.84%)

0.63 (0.38–1.06)

0.63 (0.37–1.08)

0.63 (0.37–1.07)

 

 Smoking status at phase 2

  Non-smoker

39 (1.01%)

1.00

1.00

1.00

 

  Ex-smoker

25 (1.14%)

1.12 (0.61–2.02)

1.00 (0.54–1.83)

0.98 (0.54–1.80)

 

  Smoker

26 (1.47%)

1.51 (0.86–2.66)

1.35 (0.74–2.46)

1.37 (0.78–2.42)

 
  1. aAdjusted for age, gender, marital status, rank, serving status, engagement type, service branch, deployment to Iraq or Afghanistan and primary role in parent unit
  2. bAdditionally adjusted for family relationship adversity in childhood
  3. cAdditionally adjusted for alcohol misuse and smoking status at phase 2
  4. dCategory includes the never drinkers due to low cell sizes
  5. (*) – Numbers and percentages are not reported when n is smaller than 8 due to Hospital Episode Statistics reporting guidelines