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Table 2 Multimorbidity and all-cause mortality

From: Relationship between multimorbidity, disease cluster and all-cause mortality among older adults: a retrospective cohort analysis

 

No LTCs

1 LTC

2 LTCs

≥3 LTCs

P trend

No. of deaths

760

1809

1146

297

 

No. of person-years

47,741.92

91,206.57

54,098.89

11,975.57

 

aMortality rate

15.92

19.83

21.18

24.80

 
  

OR (95% CI)

OR (95% CI)

OR (95% CI)

 

bModel1

Reference

1.35 (1.23,1.47)

1.56 (1.42,1.72)

1.96 (1.69,2.27)

< 0.001

cModel2

Reference

1.39 (1.27,1.53)

1.63 (1.47,1.80)

2.04 (1.76,2.36)

< 0.001

dModel3

Reference

1.45 (1.32,1.59)

1.72 (1.55,1.90)

2.15 (1.85,2.50)

< 0.001

  1. LTCs Long-term conditions, OR denotes odds ratio and 95% CI denotes 95% confidence interval
  2. aPer 1000 person-years
  3. bModel 1 is adjusted for age (< 75 or ≥ 75), sex (female or male) and marital status (living with partner or living without partner)
  4. cModel 2 is adjusted for covariates in model 1 plus smoking status (never, current or previous), alcohol status (never, occasionally or daily) and physical activity (never, occasionally or daily)
  5. dModel 3 is adjusted for covariates in model 2 plus body mass index (< 18.5, 18.5–24.9, 25–29.9, 30–34.9, 35–39.9 or ≥ 40)