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Table 2 The associations of total physical activity and moderate-vigorous intensity physical activity with mortality risk in participants with COPD (n = 2155)

From: Associations of total and type-specific physical activity with mortality in chronic obstructive pulmonary disease: a population-based cohort study

 

Total PA

MVPA

Cases/No.

Model 1

HR (95% CI)

Model 2

HR (95% CI)

Model 3

HR (95% CI)

Cases/No.

Model 1

HR (95% CI)

Model 2

HR (95% CI)

Model 3

HR (95% CI)

All-cause mortality (571 deaths)

 Inactivea

171/452

1.00

1.00

1.00

289/815

1.00

1.00

1.00

 Insufficiently Active (Low)b

114/355

0.75 (0.59–0.95)

0.81 (0.64–1.03)

0.86 (0.67–1.10)

122/418

0.68 (0.55–0.84)

0.73 (0.59–0.90)

0.75 (0.61–0.94)

 Insufficiently Active (High)c

68/222

0.60 (0.46–0.80)

0.70 (0.53–0.94)

0.75 (0.56–1.00)

53/229

0.55 (0.42–0.74)

0.63 (0.47–0.85)

0.66 (0.49–0.89)

 Sufficiently Actived

218/1126

0.43 (0.35–0.52)

0.51 (0.41–0.63)

0.56 (0.45–0.69)

107/693

0.45 (0.36–0.57)

0.52 (0.41–0.66)

0.57 (0.45–0.73)

 P trend

 

< 0.001

< 0.001

< 0.001

 

< 0.001

< 0.001

< 0.001

CVD mortality (172 deaths)

 Inactive

61/452

1.00

1.00

1.00

97/815

1.00

1.00

1.00

 Insufficiently Active (Low)

38/355

0.72 (0.48–1.07)

0.78 (0.52–1.18)

0.80 (0.53–1.21)

35/418

0.59 (0.40–0.86)

0.68 (0.46–1.01)

0.69 (0.47–1.03)

 Insufficiently Active (High)

14/222

0.36 (0.20–0.64)

0.47 (0.26–0.86)

0.48 (0.26–0.88)

15/229

0.48 (0.28–0.84)

0.62 (0.36–1.08)

0.65 (0.37–1.13)

 Sufficiently active

59/1126

0.34 (0.23–0.48)

0.45 (0.31–0.67)

0.48 (0.32–0.71)

25/693

0.33 (0.21–0.51)

0.42 (0.27–0.68)

0.46 (0.29–0.73)

 P trend

 

< 0.001

< 0.001

< 0.001

 

< 0.001

0.002

0.005

Respiratory mortality (105 deaths)

 Inactive

37/452

1.00

1.00

1.00

56/815

1.00

1.00

1.00

 Insufficiently Active (Low)

19/355

0.57 (0.33–0.99)

0.71 (0.40–1.26)

0.79 (0.45–1.41)

27/418

0.73 (0.46–1.15)

0.76 (0.47–1.22)

0.86 (0.53–1.39)

 Insufficiently Active (High)

19/222

0.71 (0.41–1.25)

0.86 (0.49–1.52)

0.97 (0.52–1.68)

6/229

0.30 (0.13–0.70)

0.39 (0.16–0.91)

0.43 (0.18–1.02)

 Sufficiently Active

30/1126

0.26 (0.16–0.42)

0.34 (0.20–0.56)

0.40 (0.24–0.67)

16/693

0.33 (0.19–0.58)

0.39 (0.22–0.69)

0.45 (0.25–0.81)

 P trend

 

< 0.001

< 0.001

0.001

 

< 0.001

0.002

0.007

  1. PA physical activity, MVPA moderate-vigorous intensity physical activity, HR hazard ratio, CVD cardiovascular disease
  2. Model 1: adjusted for age and sex; Model 2: also adjusted for COPD severity, history of cardiovascular disease, history of cancer, history of diabetes, self-reported longstanding illness and body mass index; Model 3: also adjusted for smoking status, education level and alcohol consumption
  3. aParticipants who reported no physical activity during the week; participants who reported no moderate-vigorous intensity physical activity during the week
  4. bParticipants who reported < 3.75 MET-hours/week of physical activity; participants who reported < 75 min/week of moderate-intensity physical activity, or < 32.5 min/week of vigorous-intensity physical activity, or an equivalent combination of moderate-vigorous intensity physical activity
  5. cParticipants who reported between 3.75 and < 7.5 MET-hours/week of physical activity; participants who reported between 75 and < 150 min/week of moderate-intensity physical activity, or between 32.5 and < 75 min/week of vigorous-intensity physical activity, or an equivalent combination of moderate-vigorous intensity physical activity
  6. dParticipants who adhered to the current recommendation of ≥7.5 MET-hours/week of physical activity; participants who adhered to the current recommendation of ≥150 min/week of moderate-intensity physical activity, or ≥75 min/week of vigorous-intensity physical activity, or an equivalent combination of moderate-vigorous intensity physical activity